Merge branch 'master' into retry-tx-refractor

70 files changed, 888 insertions, 597 deletions

diff --git a/ui/app/accounts/import/index.js b/ui/app/accounts/import/index.js
index adb52db74..c1b190e3d 100644
--- a/ui/app/accounts/import/index.js
+++ b/ui/app/accounts/import/index.js
@@ -2,6 +2,7 @@ const inherits = require('util').inherits
 const Component = require('react').Component
 const h = require('react-hyperscript')
 const connect = require('react-redux').connect
+const t = require('../../../i18n')
 import Select from 'react-select'
 
 // Subviews
@@ -9,8 +10,8 @@ const JsonImportView = require('./json.js')
 const PrivateKeyImportView = require('./private-key.js')
 
 const menuItems = [
-  'Private Key',
-  'JSON File',
+  t('privateKey'),
+  t('jsonFile'),
 ]
 
 module.exports = connect(mapStateToProps)(AccountImportSubview)
@@ -85,9 +86,9 @@ AccountImportSubview.prototype.renderImportView = function () {
   const current = type || menuItems[0]
 
   switch (current) {
-    case 'Private Key':
+    case t('privateKey'):
       return h(PrivateKeyImportView)
-    case 'JSON File':
+    case t('jsonFile'):
       return h(JsonImportView)
     default:
       return h(JsonImportView)
diff --git a/ui/app/accounts/import/json.js b/ui/app/accounts/import/json.js
index dd5dfad22..1b5e485d7 100644
--- a/ui/app/accounts/import/json.js
+++ b/ui/app/accounts/import/json.js
@@ -1,106 +1,131 @@
-const inherits = require('util').inherits
 const Component = require('react').Component
+const PropTypes = require('prop-types')
 const h = require('react-hyperscript')
 const connect = require('react-redux').connect
 const actions = require('../../actions')
 const FileInput = require('react-simple-file-input').default
+const t = require('../../../i18n')
 
 const HELP_LINK = 'https://support.metamask.io/kb/article/7-importing-accounts'
 
-module.exports = connect(mapStateToProps)(JsonImportSubview)
+class JsonImportSubview extends Component {
+  constructor (props) {
+    super(props)
 
-function mapStateToProps (state) {
-  return {
-    error: state.appState.warning,
+    this.state = {
+      file: null,
+      fileContents: '',
+    }
   }
-}
 
-inherits(JsonImportSubview, Component)
-function JsonImportSubview () {
-  Component.call(this)
-}
+  render () {
+    const { error } = this.props
+
+    return (
+      h('div.new-account-import-form__json', [
+
+        h('p', t('usedByClients')),
+        h('a.warning', {
+          href: HELP_LINK,
+          target: '_blank',
+        }, t('fileImportFail')),
+
+        h(FileInput, {
+          readAs: 'text',
+          onLoad: this.onLoad.bind(this),
+          style: {
+            margin: '20px 0px 12px 34%',
+            fontSize: '15px',
+            display: 'flex',
+            justifyContent: 'center',
+          },
+        }),
+
+        h('input.new-account-import-form__input-password', {
+          type: 'password',
+          placeholder: t('enterPassword'),
+          id: 'json-password-box',
+          onKeyPress: this.createKeyringOnEnter.bind(this),
+        }),
+
+        h('div.new-account-create-form__buttons', {}, [
+
+          h('button.new-account-create-form__button-cancel', {
+            onClick: () => this.props.goHome(),
+          }, [
+            t('cancel'),
+          ]),
+
+          h('button.new-account-create-form__button-create', {
+            onClick: () => this.createNewKeychain(),
+          }, [
+            t('import'),
+          ]),
 
-JsonImportSubview.prototype.render = function () {
-  const { error } = this.props
-
-  return (
-    h('div.new-account-import-form__json', [
-
-      h('p', 'Used by a variety of different clients'),
-      h('a.warning', { href: HELP_LINK, target: '_blank' }, 'File import not working? Click here!'),
-
-      h(FileInput, {
-        readAs: 'text',
-        onLoad: this.onLoad.bind(this),
-        style: {
-          margin: '20px 0px 12px 34%',
-          fontSize: '15px',
-          display: 'flex',
-          justifyContent: 'center',
-        },
-      }),
-
-      h('input.new-account-import-form__input-password', {
-        type: 'password',
-        placeholder: 'Enter password',
-        id: 'json-password-box',
-        onKeyPress: this.createKeyringOnEnter.bind(this),
-      }),
-
-      h('div.new-account-create-form__buttons', {}, [
-
-        h('button.new-account-create-form__button-cancel', {
-          onClick: () => this.props.goHome(),
-        }, [
-          'CANCEL',
         ]),
 
-        h('button.new-account-create-form__button-create', {
-          onClick: () => this.createNewKeychain.bind(this),
-        }, [
-          'IMPORT',
-        ]),
+        error ? h('span.error', error) : null,
+      ])
+    )
+  }
 
-      ]),
+  onLoad (event, file) {
+    this.setState({file: file, fileContents: event.target.result})
+  }
 
-      error ? h('span.error', error) : null,
-    ])
-  )
-}
+  createKeyringOnEnter (event) {
+    if (event.key === 'Enter') {
+      event.preventDefault()
+      this.createNewKeychain()
+    }
+  }
 
-JsonImportSubview.prototype.onLoad = function (event, file) {
-  this.setState({file: file, fileContents: event.target.result})
-}
+  createNewKeychain () {
+    const state = this.state
 
-JsonImportSubview.prototype.createKeyringOnEnter = function (event) {
-  if (event.key === 'Enter') {
-    event.preventDefault()
-    this.createNewKeychain()
-  }
-}
+    if (!state) {
+      const message = 'You must select a valid file to import.'
+      return this.props.displayWarning(message)
+    }
 
-JsonImportSubview.prototype.createNewKeychain = function () {
-  const state = this.state
+    const { fileContents } = state
 
-  if (!state) {
-    const message = 'You must select a valid file to import.'
-    return this.props.dispatch(actions.displayWarning(message))
-  }
+    if (!fileContents) {
+      const message = t('needImportFile')
+      return this.props.displayWarning(message)
+    }
 
-  const { fileContents } = state
+    const passwordInput = document.getElementById('json-password-box')
+    const password = passwordInput.value
 
-  if (!fileContents) {
-    const message = 'You must select a file to import.'
-    return this.props.dispatch(actions.displayWarning(message))
+    if (!password) {
+      const message = t('needImportPassword')
+      return this.props.displayWarning(message)
+    }
+    
+    this.props.importNewJsonAccount([ fileContents, password ])
   }
+}
 
-  const passwordInput = document.getElementById('json-password-box')
-  const password = passwordInput.value
+JsonImportSubview.propTypes = {
+  error: PropTypes.string,
+  goHome: PropTypes.func,
+  displayWarning: PropTypes.func,
+  importNewJsonAccount: PropTypes.func,
+}
 
-  if (!password) {
-    const message = 'You must enter a password for the selected file.'
-    return this.props.dispatch(actions.displayWarning(message))
+const mapStateToProps = state => {
+  return {
+    error: state.appState.warning,
   }
+}
 
-  this.props.dispatch(actions.importNewAccount('JSON File', [ fileContents, password ]))
+const mapDispatchToProps = dispatch => {
+  return {
+    goHome: () => dispatch(actions.goHome()),
+    displayWarning: warning => dispatch(actions.displayWarning(warning)),
+    importNewJsonAccount: options => dispatch(actions.importNewAccount('JSON File', options)),
+  }
 }
+
+module.exports = connect(mapStateToProps, mapDispatchToProps)(JsonImportSubview)
diff --git a/ui/app/accounts/import/private-key.js b/ui/app/accounts/import/private-key.js
index 12f3a6430..bc9e9384e 100644
--- a/ui/app/accounts/import/private-key.js
+++ b/ui/app/accounts/import/private-key.js
@@ -3,6 +3,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const connect = require('react-redux').connect
 const actions = require('../../actions')
+const t = require('../../../i18n')
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(PrivateKeyImportView)
 
@@ -33,9 +34,9 @@ PrivateKeyImportView.prototype.render = function () {
   return (
     h('div.new-account-import-form__private-key', [
 
-      h('div.new-account-import-form__private-key-password-container', [
+      h('span.new-account-create-form__instruction', t('pastePrivateKey')),
 
-        h('span.new-account-import-form__instruction', 'Paste your private key string here:'),
+      h('div.new-account-import-form__private-key-password-container', [
 
         h('input.new-account-import-form__input-password', {
           type: 'password',
@@ -47,16 +48,16 @@ PrivateKeyImportView.prototype.render = function () {
 
       h('div.new-account-import-form__buttons', {}, [
 
-        h('button.new-account-create-form__button-cancel', {
+        h('button.new-account-create-form__button-cancel.allcaps', {
           onClick: () => goHome(),
         }, [
-          'CANCEL',
+          t('cancel'),
         ]),
 
-        h('button.new-account-create-form__button-create', {
+        h('button.new-account-create-form__button-create.allcaps', {
           onClick: () => this.createNewKeychain(),
         }, [
-          'IMPORT',
+          t('import'),
         ]),
 
       ]),
diff --git a/ui/app/accounts/import/seed.js b/ui/app/accounts/import/seed.js
index b4a7c0afa..9ffc669a2 100644
--- a/ui/app/accounts/import/seed.js
+++ b/ui/app/accounts/import/seed.js
@@ -2,6 +2,7 @@ const inherits = require('util').inherits
 const Component = require('react').Component
 const h = require('react-hyperscript')
 const connect = require('react-redux').connect
+const t = require('../../../i18n')
 
 module.exports = connect(mapStateToProps)(SeedImportSubview)
 
@@ -20,11 +21,10 @@ SeedImportSubview.prototype.render = function () {
       style: {
       },
     }, [
-      `Paste your seed phrase here!`,
+      t('pasteSeed'),
       h('textarea'),
       h('br'),
-      h('button', 'Submit'),
+      h('button', t('submit')),
     ])
   )
 }
-
diff --git a/ui/app/accounts/new-account/create-form.js b/ui/app/accounts/new-account/create-form.js
index a6b3bba4b..eb34f7a2f 100644
--- a/ui/app/accounts/new-account/create-form.js
+++ b/ui/app/accounts/new-account/create-form.js
@@ -3,6 +3,7 @@ const PropTypes = require('prop-types')
 const h = require('react-hyperscript')
 const { connect } = require('react-redux')
 const actions = require('../../actions')
+const t = require('../../../i18n')
 
 class NewAccountCreateForm extends Component {
   constructor (props) {
@@ -13,7 +14,7 @@ class NewAccountCreateForm extends Component {
 
     this.state = {
       newAccountName: '',
-      defaultAccountName: `Account ${newAccountNumber}`,
+      defaultAccountName: t('newAccountNumberName', newAccountNumber),
     }
   }
 
@@ -24,7 +25,7 @@ class NewAccountCreateForm extends Component {
     return h('div.new-account-create-form', [
 
       h('div.new-account-create-form__input-label', {}, [
-        'Account Name',
+        t('accountName'),
       ]),
 
       h('div.new-account-create-form__input-wrapper', {}, [
@@ -37,16 +38,16 @@ class NewAccountCreateForm extends Component {
 
       h('div.new-account-create-form__buttons', {}, [
 
-        h('button.new-account-create-form__button-cancel', {
+        h('button.new-account-create-form__button-cancel.allcaps', {
           onClick: () => this.props.goHome(),
         }, [
-          'CANCEL',
+          t('cancel'),
         ]),
 
-        h('button.new-account-create-form__button-create', {
+        h('button.new-account-create-form__button-create.allcaps', {
           onClick: () => this.props.createAccount(newAccountName || defaultAccountName),
         }, [
-          'CREATE',
+          t('create'),
         ]),
 
       ]),
diff --git a/ui/app/accounts/new-account/index.js b/ui/app/accounts/new-account/index.js
index acf0dc6e4..854568c77 100644
--- a/ui/app/accounts/new-account/index.js
+++ b/ui/app/accounts/new-account/index.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
+const t = require('../../../i18n')
 const { getCurrentViewContext } = require('../../selectors')
 const classnames = require('classnames')
 
@@ -42,10 +43,10 @@ AccountDetailsModal.prototype.render = function () {
   const { displayedForm, displayForm } = this.props
 
   return h('div.new-account', {}, [
-    
+
     h('div.new-account__header', [
 
-      h('div.new-account__title', 'New Account'),
+      h('div.new-account__title', t('newAccount')),
 
       h('div.new-account__tabs', [
 
@@ -55,7 +56,7 @@ AccountDetailsModal.prototype.render = function () {
             'new-account__tabs__unselected cursor-pointer': displayedForm !== 'CREATE',
           }),
           onClick: () => displayForm('CREATE'),
-        }, 'Create'),
+        }, t('createDen')),
 
         h('div.new-account__tabs__tab', {
           className: classnames('new-account__tabs__tab', {
@@ -63,7 +64,7 @@ AccountDetailsModal.prototype.render = function () {
             'new-account__tabs__unselected cursor-pointer': displayedForm !== 'IMPORT',
           }),
           onClick: () => displayForm('IMPORT'),
-        }, 'Import'),
+        }, t('import')),
 
       ]),
 
diff --git a/ui/app/actions.js b/ui/app/actions.js
index d6f509590..bc7ee3d07 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -75,6 +75,8 @@ var actions = {
   resetAccount,
   showNewVaultSeed: showNewVaultSeed,
   showInfoPage: showInfoPage,
+  CLOSE_WELCOME_SCREEN: 'CLOSE_WELCOME_SCREEN',
+  closeWelcomeScreen,
   // seed recovery actions
   REVEAL_SEED_CONFIRMATION: 'REVEAL_SEED_CONFIRMATION',
   revealSeedConfirmation: revealSeedConfirmation,
@@ -788,7 +790,7 @@ function updateTransaction (txData) {
 function updateAndApproveTx (txData) {
   log.info('actions: updateAndApproveTx: ' + JSON.stringify(txData))
   return (dispatch) => {
-    log.debug(`actions calling background.updateAndApproveTx`)
+    log.debug(`actions calling background.updateAndApproveTx.`)
     background.updateAndApproveTransaction(txData, (err) => {
       dispatch(actions.hideLoadingIndication())
       dispatch(actions.updateTransactionParams(txData.id, txData.txParams))
@@ -947,6 +949,12 @@ function showNewVaultSeed (seed) {
   }
 }
 
+function closeWelcomeScreen () {
+  return {
+    type: actions.CLOSE_WELCOME_SCREEN,
+  }
+}
+
 function backToUnlockView () {
   return {
     type: actions.BACK_TO_UNLOCK_VIEW,
diff --git a/ui/app/add-token.js b/ui/app/add-token.js
index 51c577987..b8878b772 100644
--- a/ui/app/add-token.js
+++ b/ui/app/add-token.js
@@ -71,13 +71,17 @@ AddTokenScreen.prototype.componentWillMount = function () {
 }
 
 AddTokenScreen.prototype.toggleToken = function (address, token) {
-  const { selectedTokens, errors } = this.state
-  const { [address]: selectedToken } = selectedTokens
+  const { selectedTokens = {}, errors } = this.state
+  const selectedTokensCopy = { ...selectedTokens }
+
+  if (address in selectedTokensCopy) {
+    delete selectedTokensCopy[address]
+  } else {
+    selectedTokensCopy[address] = token
+  }
+
   this.setState({
-    selectedTokens: {
-      ...selectedTokens,
-      [address]: selectedToken ? null : token,
-    },
+    selectedTokens: selectedTokensCopy,
     errors: {
       ...errors,
       tokenSelector: null,
diff --git a/ui/app/app.js b/ui/app/app.js
index 4e6da24c3..9708a2485 100644
--- a/ui/app/app.js
+++ b/ui/app/app.js
@@ -4,6 +4,7 @@ const connect = require('react-redux').connect
 const h = require('react-hyperscript')
 const actions = require('./actions')
 const classnames = require('classnames')
+const t = require('../i18n')
 
 // mascara
 const MascaraFirstTime = require('../../mascara/src/app/first-time').default
@@ -12,6 +13,8 @@ const MascaraBuyEtherScreen = require('../../mascara/src/app/first-time/buy-ethe
 const OldUIInitializeMenuScreen = require('./first-time/init-menu')
 const InitializeMenuScreen = MascaraFirstTime
 const NewKeyChainScreen = require('./new-keychain')
+const WelcomeScreen = require('./welcome-screen').default
+
 // accounts
 const MainContainer = require('./main-container')
 const SendTransactionScreen2 = require('./components/send/send-v2-container')
@@ -91,6 +94,7 @@ function mapStateToProps (state) {
     betaUI: state.metamask.featureFlags.betaUI,
     isRevealingSeedWords: state.metamask.isRevealingSeedWords,
     Qr: state.appState.Qr,
+    welcomeScreenSeen: state.metamask.welcomeScreenSeen,
 
     // state needed to get account dropdown temporarily rendering from app bar
     identities,
@@ -244,6 +248,7 @@ App.prototype.renderAppBar = function () {
     isInitialized,
     betaUI,
     isPopup,
+    welcomeScreenSeen,
   } = this.props
 
   if (window.METAMASK_UI_TYPE === 'notification') {
@@ -269,7 +274,7 @@ App.prototype.renderAppBar = function () {
       style: {},
     }, [
 
-      h('.app-header.flex-row.flex-space-between', {
+      (isInitialized || welcomeScreenSeen || isPopup || !betaUI) && h('.app-header.flex-row.flex-space-between', {
         className: classnames({
           'app-header--initialized': !isOnboarding,
         }),
@@ -289,12 +294,12 @@ App.prototype.renderAppBar = function () {
 
             // metamask name
             h('.flex-row', [
-              h('h1', 'MetaMask'),
-              h('div.beta-label', 'BETA'),
+              h('h1', t('appName')),
+              h('div.beta-label', t('beta')),
             ]),
           ]),
 
-          h('div.header__right-actions', [
+          betaUI && isInitialized && h('div.header__right-actions', [
             h('div.network-component-wrapper', {
               style: {},
             }, [
@@ -324,8 +329,12 @@ App.prototype.renderAppBar = function () {
         ]),
       ]),
 
-      !isInitialized && !isPopup && betaUI && h('h2.alpha-warning',
-        'Please be aware that this version is still under development'),
+      !isInitialized && !isPopup && betaUI && h('h2', {
+        className: classnames({
+          'alpha-warning': welcomeScreenSeen,
+          'alpha-warning-welcome-screen': !welcomeScreenSeen,
+        }),
+      }, 'Please be aware that this version is still under development'),
 
     ])
   )
@@ -369,11 +378,18 @@ App.prototype.renderPrimary = function () {
     isOnboarding,
     betaUI,
     isRevealingSeedWords,
+    welcomeScreenSeen,
     Qr,
+    isInitialized,
+    isUnlocked,
   } = props
   const isMascaraOnboarding = isMascara && isOnboarding
   const isBetaUIOnboarding = betaUI && isOnboarding && !props.isPopup && !isRevealingSeedWords
 
+  if (!welcomeScreenSeen && betaUI && !isInitialized && !isUnlocked) {
+    return h(WelcomeScreen)
+  }
+
   if (isMascaraOnboarding || isBetaUIOnboarding) {
     return h(MascaraFirstTime)
   }
diff --git a/ui/app/components/account-dropdowns.js b/ui/app/components/account-dropdowns.js
index 1cd7a0847..1612d7b6a 100644
--- a/ui/app/components/account-dropdowns.js
+++ b/ui/app/components/account-dropdowns.js
@@ -9,6 +9,7 @@ const DropdownMenuItem = require('./dropdown').DropdownMenuItem
 const Identicon = require('./identicon')
 const ethUtil = require('ethereumjs-util')
 const copyToClipboard = require('copy-to-clipboard')
+const t = require('../../i18n')
 
 class AccountDropdowns extends Component {
   constructor (props) {
@@ -79,7 +80,7 @@ class AccountDropdowns extends Component {
     try { // Sometimes keyrings aren't loaded yet:
       const type = keyring.type
       const isLoose = type !== 'HD Key Tree'
-      return isLoose ? h('.keyring-label', 'LOOSE') : null
+      return isLoose ? h('.keyring-label.allcaps', t('loose')) : null
     } catch (e) { return }
   }
 
@@ -129,7 +130,7 @@ class AccountDropdowns extends Component {
                 diameter: 32,
               },
             ),
-            h('span', { style: { marginLeft: '20px', fontSize: '24px' } }, 'Create Account'),
+            h('span', { style: { marginLeft: '20px', fontSize: '24px' } }, t('createAccount')),
           ],
         ),
         h(
@@ -154,7 +155,7 @@ class AccountDropdowns extends Component {
                 fontSize: '24px',
                 marginBottom: '5px',
               },
-            }, 'Import Account'),
+            }, t('importAccount')),
           ]
         ),
       ]
@@ -192,7 +193,7 @@ class AccountDropdowns extends Component {
               global.platform.openWindow({ url })
             },
           },
-          'View account on Etherscan',
+          t('etherscanView'),
         ),
         h(
           DropdownMenuItem,
@@ -204,7 +205,7 @@ class AccountDropdowns extends Component {
               actions.showQrView(selected, identity ? identity.name : '')
             },
           },
-          'Show QR Code',
+          t('showQRCode'),
         ),
         h(
           DropdownMenuItem,
@@ -216,7 +217,7 @@ class AccountDropdowns extends Component {
               copyToClipboard(checkSumAddress)
             },
           },
-          'Copy Address to clipboard',
+          t('copyAddress'),
         ),
         h(
           DropdownMenuItem,
@@ -226,7 +227,7 @@ class AccountDropdowns extends Component {
               actions.requestAccountExport()
             },
           },
-          'Export Private Key',
+          t('exportPrivateKey'),
         ),
       ]
     )
diff --git a/ui/app/components/account-export.js b/ui/app/components/account-export.js
index 32b103c86..5637bc8d0 100644
--- a/ui/app/components/account-export.js
+++ b/ui/app/components/account-export.js
@@ -6,6 +6,7 @@ const copyToClipboard = require('copy-to-clipboard')
 const actions = require('../actions')
 const ethUtil = require('ethereumjs-util')
 const connect = require('react-redux').connect
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps)(ExportAccountView)
 
@@ -35,7 +36,7 @@ ExportAccountView.prototype.render = function () {
   if (notExporting) return h('div')
 
   if (exportRequested) {
-    const warning = `Export private keys at your own risk.`
+    const warning = t('exportPrivateKeyWarning')
     return (
       h('div', {
         style: {
@@ -53,7 +54,7 @@ ExportAccountView.prototype.render = function () {
             h('p.error', warning),
             h('input#exportAccount.sizing-input', {
               type: 'password',
-              placeholder: 'confirm password',
+              placeholder: t('confirmPassword').toLowerCase(),
               onKeyPress: this.onExportKeyPress.bind(this),
               style: {
                 position: 'relative',
@@ -74,10 +75,10 @@ ExportAccountView.prototype.render = function () {
                 style: {
                   marginRight: '10px',
                 },
-              }, 'Submit'),
+              }, t('submit')),
               h('button', {
                 onClick: () => this.props.dispatch(actions.backToAccountDetail(this.props.address)),
-              }, 'Cancel'),
+              }, t('cancel')),
             ]),
           (this.props.warning) && (
           h('span.error', {
@@ -98,7 +99,7 @@ ExportAccountView.prototype.render = function () {
         margin: '0 20px',
       },
     }, [
-      h('label', 'Your private key (click to copy):'),
+      h('label', t('copyPrivateKey') + ':'),
       h('p.error.cursor-pointer', {
         style: {
           textOverflow: 'ellipsis',
@@ -112,13 +113,13 @@ ExportAccountView.prototype.render = function () {
       }, plainKey),
       h('button', {
         onClick: () => this.props.dispatch(actions.backToAccountDetail(this.props.address)),
-      }, 'Done'),
+      }, t('done')),
       h('button', {
         style: {
           marginLeft: '10px',
         },
         onClick: () => exportAsFile(`MetaMask ${nickname} Private Key`, plainKey),
-      }, 'Save as File'),
+      }, t('saveAsFile')),
     ])
   }
 }
diff --git a/ui/app/components/account-menu/index.js b/ui/app/components/account-menu/index.js
index 1a0103d4f..e838e8916 100644
--- a/ui/app/components/account-menu/index.js
+++ b/ui/app/components/account-menu/index.js
@@ -6,6 +6,7 @@ const actions = require('../../actions')
 const { Menu, Item, Divider, CloseArea } = require('../dropdowns/components/menu')
 const Identicon = require('../identicon')
 const { formatBalance } = require('../../util')
+const t = require('../../../i18n')
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(AccountMenu)
 
@@ -70,10 +71,10 @@ AccountMenu.prototype.render = function () {
     h(Item, {
       className: 'account-menu__header',
     }, [
-      'My Accounts',
+      t('myAccounts'),
       h('button.account-menu__logout-button', {
         onClick: lockMetamask,
-      }, 'Log out'),
+      }, t('logout')),
     ]),
     h(Divider),
     h('div.account-menu__accounts', this.renderAccounts()),
@@ -81,23 +82,23 @@ AccountMenu.prototype.render = function () {
     h(Item, {
       onClick: () => showNewAccountPage('CREATE'),
       icon: h('img.account-menu__item-icon', { src: 'images/plus-btn-white.svg' }),
-      text: 'Create Account',
+      text: t('createAccount'),
     }),
     h(Item, {
       onClick: () => showNewAccountPage('IMPORT'),
       icon: h('img.account-menu__item-icon', { src: 'images/import-account.svg' }),
-      text: 'Import Account',
+      text: t('importAccount'),
     }),
     h(Divider),
     h(Item, {
       onClick: showInfoPage,
-      icon: h('img.account-menu__item-icon', { src: 'images/mm-info-icon.svg' }),
-      text: 'Info & Help',
+      icon: h('img', { src: 'images/mm-info-icon.svg' }),
+      text: t('infoHelp'),
     }),
     h(Item, {
       onClick: showConfigPage,
       icon: h('img.account-menu__item-icon', { src: 'images/settings.svg' }),
-      text: 'Settings',
+      text: t('settings'),
     }),
   ])
 }
@@ -155,6 +156,6 @@ AccountMenu.prototype.indicateIfLoose = function (keyring) {
   try { // Sometimes keyrings aren't loaded yet:
     const type = keyring.type
     const isLoose = type !== 'HD Key Tree'
-    return isLoose ? h('.keyring-label', 'IMPORTED') : null
+    return isLoose ? h('.keyring-label.allcaps', t('imported')) : null
   } catch (e) { return }
 }
diff --git a/ui/app/components/bn-as-decimal-input.js b/ui/app/components/bn-as-decimal-input.js
index 22e37602e..70701b039 100644
--- a/ui/app/components/bn-as-decimal-input.js
+++ b/ui/app/components/bn-as-decimal-input.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
 const extend = require('xtend')
+const t = require('../../i18n')
 
 module.exports = BnAsDecimalInput
 
@@ -136,13 +137,13 @@ BnAsDecimalInput.prototype.constructWarning = function () {
   let message = name ? name + ' ' : ''
 
   if (min && max) {
-    message += `must be greater than or equal to  ${newMin} ${suffix} and less than or equal to ${newMax} ${suffix}.`
+    message += t('betweenMinAndMax', [`${newMin} ${suffix}`, `${newMax} ${suffix}`])
   } else if (min) {
-    message += `must be greater than or equal to ${newMin} ${suffix}.`
+    message += t('greaterThanMin', [`${newMin} ${suffix}`])
   } else if (max) {
-    message += `must be less than or equal to ${newMax} ${suffix}.`
+    message += t('lessThanMax', [`${newMax} ${suffix}`])
   } else {
-    message += 'Invalid input.'
+    message += t('invalidInput')
   }
 
   return message
diff --git a/ui/app/components/buy-button-subview.js b/ui/app/components/buy-button-subview.js
index d5958787b..1e277a94b 100644
--- a/ui/app/components/buy-button-subview.js
+++ b/ui/app/components/buy-button-subview.js
@@ -9,6 +9,7 @@ const Loading = require('./loading')
 const AccountPanel = require('./account-panel')
 const RadioList = require('./custom-radio-list')
 const networkNames = require('../../../app/scripts/config.js').networkNames
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps)(BuyButtonSubview)
 
@@ -76,7 +77,7 @@ BuyButtonSubview.prototype.headerSubview = function () {
             paddingTop: '4px',
             paddingBottom: '4px',
           },
-        }, 'Deposit Eth'),
+        }, t('depositEth')),
       ]),
 
       // loading indication
@@ -118,7 +119,7 @@ BuyButtonSubview.prototype.headerSubview = function () {
             paddingTop: '4px',
             paddingBottom: '4px',
           },
-        }, 'Select Service'),
+        }, t('selectService')),
       ]),
 
     ])
@@ -143,7 +144,7 @@ BuyButtonSubview.prototype.primarySubview = function () {
     case '4':
     case '42':
       const networkName = networkNames[network]
-      const label = `${networkName} Test Faucet`
+      const label = `${networkName} ${t('testFaucet')}`
       return (
         h('div.flex-column', {
           style: {
@@ -164,14 +165,14 @@ BuyButtonSubview.prototype.primarySubview = function () {
               style: {
                 marginTop: '15px',
               },
-            }, 'Borrow With Dharma (Beta)')
+            }, t('borrowDharma'))
           ) : null,
       ])
     )
 
     default:
       return (
-        h('h2.error', 'Unknown network ID')
+        h('h2.error', t('unknownNetworkId'))
       )
 
   }
@@ -203,8 +204,8 @@ BuyButtonSubview.prototype.mainnetSubview = function () {
             'ShapeShift',
           ],
           subtext: {
-            'Coinbase': 'Crypto/FIAT (USA only)',
-            'ShapeShift': 'Crypto',
+            'Coinbase': `${t('crypto')}/${t('fiat')} (${t('usaOnly')})`,
+            'ShapeShift': t('crypto'),
           },
           onClick: this.radioHandler.bind(this),
         }),
diff --git a/ui/app/components/coinbase-form.js b/ui/app/components/coinbase-form.js
index f70208625..e442b43d5 100644
--- a/ui/app/components/coinbase-form.js
+++ b/ui/app/components/coinbase-form.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../actions')
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps)(CoinbaseForm)
 
@@ -37,11 +38,11 @@ CoinbaseForm.prototype.render = function () {
     }, [
       h('button.btn-green', {
         onClick: this.toCoinbase.bind(this),
-      }, 'Continue to Coinbase'),
+      }, t('continueToCoinbase')),
 
       h('button.btn-red', {
         onClick: () => props.dispatch(actions.goHome()),
-      }, 'Cancel'),
+      }, t('cancel')),
     ]),
   ])
 }
diff --git a/ui/app/components/copyButton.js b/ui/app/components/copyButton.js
index a25d0719c..355f78d45 100644
--- a/ui/app/components/copyButton.js
+++ b/ui/app/components/copyButton.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const copyToClipboard = require('copy-to-clipboard')
+const t = require('../../i18n')
 
 const Tooltip = require('./tooltip')
 
@@ -22,7 +23,7 @@ CopyButton.prototype.render = function () {
   const value = props.value
   const copied = state.copied
 
-  const message = copied ? 'Copied' : props.title || ' Copy '
+  const message = copied ? t('copiedButton') : props.title || t('copyButton')
 
   return h('.copy-button', {
     style: {
diff --git a/ui/app/components/copyable.js b/ui/app/components/copyable.js
index a4f6f4bc6..fca7d3863 100644
--- a/ui/app/components/copyable.js
+++ b/ui/app/components/copyable.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 
 const Tooltip = require('./tooltip')
 const copyToClipboard = require('copy-to-clipboard')
+const t = require('../../i18n')
 
 module.exports = Copyable
 
@@ -22,7 +23,7 @@ Copyable.prototype.render = function () {
   const { copied } = state
 
   return h(Tooltip, {
-    title: copied ? 'Copied!' : 'Copy',
+    title: copied ? t('copiedExclamation') : t('copy'),
     position: 'bottom',
   }, h('span', {
     style: {
diff --git a/ui/app/components/customize-gas-modal/index.js b/ui/app/components/customize-gas-modal/index.js
index 2bac57253..291447bb4 100644
--- a/ui/app/components/customize-gas-modal/index.js
+++ b/ui/app/components/customize-gas-modal/index.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
+const t = require('../../../i18n')
 const GasModalCard = require('./gas-modal-card')
 
 const ethUtil = require('ethereumjs-util')
@@ -149,7 +150,7 @@ CustomizeGasModal.prototype.validate = function ({ gasTotal, gasLimit }) {
   })
 
   if (!balanceIsSufficient) {
-    error = 'Insufficient balance for current gas total'
+    error = t('balanceIsInsufficientGas')
   }
 
   const gasLimitTooLow = gasLimit && conversionGreaterThan(
@@ -165,7 +166,7 @@ CustomizeGasModal.prototype.validate = function ({ gasTotal, gasLimit }) {
   )
 
   if (gasLimitTooLow) {
-    error = 'Gas limit must be at least 21000'
+    error = t('gasLimitTooLow')
   }
 
   this.setState({ error })
@@ -253,7 +254,7 @@ CustomizeGasModal.prototype.render = function () {
     }, [
       h('div.send-v2__customize-gas__header', {}, [
 
-        h('div.send-v2__customize-gas__title', 'Customize Gas'),
+        h('div.send-v2__customize-gas__title', t('customGas')),
 
         h('div.send-v2__customize-gas__close', {
           onClick: hideModal,
@@ -269,8 +270,8 @@ CustomizeGasModal.prototype.render = function () {
           // max: 1000,
           step: multiplyCurrencies(MIN_GAS_PRICE_GWEI, 10),
           onChange: value => this.convertAndSetGasPrice(value),
-          title: 'Gas Price (GWEI)',
-          copy: 'We calculate the suggested gas prices based on network success rates.',
+          title: t('gasPrice'),
+          copy: t('gasPriceCalculation'),
         }),
 
         h(GasModalCard, {
@@ -279,8 +280,8 @@ CustomizeGasModal.prototype.render = function () {
           // max: 100000,
           step: 1,
           onChange: value => this.convertAndSetGasLimit(value),
-          title: 'Gas Limit',
-          copy: 'We calculate the suggested gas limit based on network success rates.',
+          title: t('gasLimit'),
+          copy: t('gasLimitCalculation'),
         }),
 
       ]),
@@ -293,16 +294,16 @@ CustomizeGasModal.prototype.render = function () {
 
         h('div.send-v2__customize-gas__revert', {
           onClick: () => this.revert(),
-        }, ['Revert']),
+        }, [t('revert')]),
 
         h('div.send-v2__customize-gas__buttons', [
-          h('div.send-v2__customize-gas__cancel', {
+          h('div.send-v2__customize-gas__cancel.allcaps', {
             onClick: this.props.hideModal,
-          }, ['CANCEL']),
+          }, [t('cancel')]),
 
-          h(`div.send-v2__customize-gas__save${error ? '__error' : ''}`, {
+          h(`div.send-v2__customize-gas__save${error ? '__error' : ''}.allcaps`, {
             onClick: () => !error && this.save(gasPrice, gasLimit, gasTotal),
-          }, ['SAVE']),
+          }, [t('save')]),
         ]),
 
       ]),
diff --git a/ui/app/components/dropdowns/components/account-dropdowns.js b/ui/app/components/dropdowns/components/account-dropdowns.js
index 40918cc53..e5359c1d6 100644
--- a/ui/app/components/dropdowns/components/account-dropdowns.js
+++ b/ui/app/components/dropdowns/components/account-dropdowns.js
@@ -10,6 +10,7 @@ const Identicon = require('../../identicon')
 const ethUtil = require('ethereumjs-util')
 const copyToClipboard = require('copy-to-clipboard')
 const { formatBalance } = require('../../../util')
+const t = require('../../../../i18n')
 
 class AccountDropdowns extends Component {
   constructor (props) {
@@ -121,7 +122,7 @@ class AccountDropdowns extends Component {
                 flex: '3 3 auto',
               },
             }, [
-              h('span.account-dropdown-edit-button', {
+              h('span.account-dropdown-edit-button.allcaps', {
                 style: {
                   fontSize: '16px',
                 },
@@ -129,7 +130,7 @@ class AccountDropdowns extends Component {
                   actions.showEditAccountModal(identity)
                 },
               }, [
-                'Edit',
+                t('edit'),
               ]),
             ]),
 
@@ -143,7 +144,7 @@ class AccountDropdowns extends Component {
     try { // Sometimes keyrings aren't loaded yet:
       const type = keyring.type
       const isLoose = type !== 'HD Key Tree'
-      return isLoose ? h('.keyring-label', 'IMPORTED') : null
+      return isLoose ? h('.keyring-label.allcaps', t('loose')) : null
     } catch (e) { return }
   }
 
@@ -201,7 +202,7 @@ class AccountDropdowns extends Component {
                 fontSize: '16px',
                 lineHeight: '23px',
               },
-            }, 'Create Account'),
+            }, t('createAccount')),
           ],
         ),
         h(
@@ -235,7 +236,7 @@ class AccountDropdowns extends Component {
                 fontSize: '16px',
                 lineHeight: '23px',
               },
-            }, 'Import Account'),
+            }, t('importAccount')),
           ]
         ),
       ]
@@ -286,7 +287,7 @@ class AccountDropdowns extends Component {
               menuItemStyles,
             ),
           },
-          'Account Details',
+          t('accountDetails'),
         ),
         h(
           DropdownMenuItem,
@@ -302,7 +303,7 @@ class AccountDropdowns extends Component {
               menuItemStyles,
             ),
           },
-          'View account on Etherscan',
+          t('etherscanView'),
         ),
         h(
           DropdownMenuItem,
@@ -318,7 +319,7 @@ class AccountDropdowns extends Component {
               menuItemStyles,
             ),
           },
-          'Copy Address to clipboard',
+          t('copyAddress'),
         ),
         h(
           DropdownMenuItem,
@@ -330,7 +331,7 @@ class AccountDropdowns extends Component {
               menuItemStyles,
             ),
           },
-          'Export Private Key',
+          t('exportPrivateKey'),
         ),
         h(
           DropdownMenuItem,
@@ -345,7 +346,7 @@ class AccountDropdowns extends Component {
               menuItemStyles,
             ),
           },
-          'Add Token',
+          t('addToken'),
         ),
 
       ]
@@ -463,4 +464,3 @@ function mapStateToProps (state) {
 }
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(AccountDropdowns)
-
diff --git a/ui/app/components/dropdowns/network-dropdown.js b/ui/app/components/dropdowns/network-dropdown.js
index ff10c0758..5afe730c1 100644
--- a/ui/app/components/dropdowns/network-dropdown.js
+++ b/ui/app/components/dropdowns/network-dropdown.js
@@ -6,6 +6,7 @@ const actions = require('../../actions')
 const Dropdown = require('./components/dropdown').Dropdown
 const DropdownMenuItem = require('./components/dropdown').DropdownMenuItem
 const NetworkDropdownIcon = require('./components/network-dropdown-icon')
+const t = require('../../../i18n')
 const R = require('ramda')
 
 // classes from nodes of the toggle element.
@@ -93,13 +94,13 @@ NetworkDropdown.prototype.render = function () {
   }, [
 
     h('div.network-dropdown-header', {}, [
-      h('div.network-dropdown-title', {}, 'Networks'),
+      h('div.network-dropdown-title', {}, t('networks')),
 
       h('div.network-dropdown-divider'),
 
       h('div.network-dropdown-content',
         {},
-        'The default network for Ether transactions is Main Net.'
+        t('defaultNetwork')
       ),
     ]),
 
@@ -121,7 +122,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: providerType === 'mainnet' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Main Ethereum Network'),
+        }, t('mainnet')),
       ]
     ),
 
@@ -143,7 +144,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: providerType === 'ropsten' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Ropsten Test Network'),
+        }, t('ropsten')),
       ]
     ),
 
@@ -165,7 +166,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: providerType === 'kovan' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Kovan Test Network'),
+        }, t('kovan')),
       ]
     ),
 
@@ -187,7 +188,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: providerType === 'rinkeby' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Rinkeby Test Network'),
+        }, t('rinkeby')),
       ]
     ),
 
@@ -209,7 +210,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: activeNetwork === 'http://localhost:8545' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Localhost 8545'),
+        }, t('localhost')),
       ]
     ),
 
@@ -233,7 +234,7 @@ NetworkDropdown.prototype.render = function () {
           style: {
             color: activeNetwork === 'custom' ? '#ffffff' : '#9b9b9b',
           },
-        }, 'Custom RPC'),
+        }, t('customRPC')),
       ]
     ),
 
@@ -248,15 +249,15 @@ NetworkDropdown.prototype.getNetworkName = function () {
   let name
 
   if (providerName === 'mainnet') {
-    name = 'Main Ethereum Network'
+    name = t('mainnet')
   } else if (providerName === 'ropsten') {
-    name = 'Ropsten Test Network'
+    name = t('ropsten')
   } else if (providerName === 'kovan') {
-    name = 'Kovan Test Network'
+    name = t('kovan')
   } else if (providerName === 'rinkeby') {
-    name = 'Rinkeby Test Network'
+    name = t('rinkeby')
   } else {
-    name = 'Unknown Private Network'
+    name = t('unknownNetwork')
   }
 
   return name
diff --git a/ui/app/components/dropdowns/token-menu-dropdown.js b/ui/app/components/dropdowns/token-menu-dropdown.js
index dc7a985e3..a4f93b505 100644
--- a/ui/app/components/dropdowns/token-menu-dropdown.js
+++ b/ui/app/components/dropdowns/token-menu-dropdown.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
+const t = require('../../../i18n')
 
 module.exports = connect(null, mapDispatchToProps)(TokenMenuDropdown)
 
@@ -43,7 +44,7 @@ TokenMenuDropdown.prototype.render = function () {
             showHideTokenConfirmationModal(this.props.token)
             this.props.onClose()
           },
-        }, 'Hide Token'),
+        }, t('hideToken')),
 
       ]),
     ]),
diff --git a/ui/app/components/ens-input.js b/ui/app/components/ens-input.js
index 6553053f7..add67ea35 100644
--- a/ui/app/components/ens-input.js
+++ b/ui/app/components/ens-input.js
@@ -8,6 +8,7 @@ const ENS = require('ethjs-ens')
 const networkMap = require('ethjs-ens/lib/network-map.json')
 const ensRE = /.+\..+$/
 const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
+const t = require('../../i18n')
 
 
 module.exports = EnsInput
@@ -89,13 +90,13 @@ EnsInput.prototype.lookupEnsName = function () {
   log.info(`ENS attempting to resolve name: ${recipient}`)
   this.ens.lookup(recipient.trim())
   .then((address) => {
-    if (address === ZERO_ADDRESS) throw new Error('No address has been set for this name.')
+    if (address === ZERO_ADDRESS) throw new Error(t('noAddressForName'))
     if (address !== ensResolution) {
       this.setState({
         loadingEns: false,
         ensResolution: address,
         nickname: recipient.trim(),
-        hoverText: address + '\nClick to Copy',
+        hoverText: address + '\n' + t('clickCopy'),
         ensFailure: false,
       })
     }
diff --git a/ui/app/components/hex-as-decimal-input.js b/ui/app/components/hex-as-decimal-input.js
index 4a71e9585..a43d44f89 100644
--- a/ui/app/components/hex-as-decimal-input.js
+++ b/ui/app/components/hex-as-decimal-input.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
 const extend = require('xtend')
+const t = require('../../i18n')
 
 module.exports = HexAsDecimalInput
 
@@ -126,13 +127,13 @@ HexAsDecimalInput.prototype.constructWarning = function () {
   let message = name ? name + ' ' : ''
 
   if (min && max) {
-    message += `must be greater than or equal to  ${min} and less than or equal to ${max}.`
+    message += t('betweenMinAndMax', [min, max])
   } else if (min) {
-    message += `must be greater than or equal to ${min}.`
+    message += t('greaterThanMin', [min])
   } else if (max) {
-    message += `must be less than or equal to ${max}.`
+    message += t('lessThanMax', [max])
   } else {
-    message += 'Invalid input.'
+    message += t('invalidInput')
   }
 
   return message
diff --git a/ui/app/components/modals/account-details-modal.js b/ui/app/components/modals/account-details-modal.js
index c1f7a3236..75f989e86 100644
--- a/ui/app/components/modals/account-details-modal.js
+++ b/ui/app/components/modals/account-details-modal.js
@@ -8,6 +8,7 @@ const { getSelectedIdentity } = require('../../selectors')
 const genAccountLink = require('../../../lib/account-link.js')
 const QrView = require('../qr-code')
 const EditableLabel = require('../editable-label')
+const t = require('../../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -64,12 +65,12 @@ AccountDetailsModal.prototype.render = function () {
 
       h('button.btn-clear.account-modal__button', {
         onClick: () => global.platform.openWindow({ url: genAccountLink(address, network) }),
-      }, 'View account on Etherscan'),
+      }, t('etherscanView')),
 
       // Holding on redesign for Export Private Key functionality
       h('button.btn-clear.account-modal__button', {
         onClick: () => showExportPrivateKeyModal(),
-      }, 'Export private key'),
+      }, t('exportPrivateKey')),
 
   ])
 }
diff --git a/ui/app/components/modals/account-modal-container.js b/ui/app/components/modals/account-modal-container.js
index c548fb7b3..08540aa76 100644
--- a/ui/app/components/modals/account-modal-container.js
+++ b/ui/app/components/modals/account-modal-container.js
@@ -5,6 +5,7 @@ const connect = require('react-redux').connect
 const actions = require('../../actions')
 const { getSelectedIdentity } = require('../../selectors')
 const Identicon = require('../identicon')
+const t = require('../../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -59,7 +60,7 @@ AccountModalContainer.prototype.render = function () {
 
         h('i.fa.fa-angle-left.fa-lg'),
 
-        h('span.account-modal-back__text', ' Back'),
+        h('span.account-modal-back__text', ' ' + t('back')),
 
       ]),
 
diff --git a/ui/app/components/modals/buy-options-modal.js b/ui/app/components/modals/buy-options-modal.js
index 74a7a847e..7eb73c3a6 100644
--- a/ui/app/components/modals/buy-options-modal.js
+++ b/ui/app/components/modals/buy-options-modal.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
 const networkNames = require('../../../../app/scripts/config.js').networkNames
+const t = require('../../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -56,15 +57,15 @@ BuyOptions.prototype.render = function () {
       }, [
         h('div.buy-modal-content-title', {
           style: {},
-        }, 'Transfers'),
-        h('div', {}, 'How would you like to deposit Ether?'),
+        }, t('transfers')),
+        h('div', {}, t('howToDeposit')),
       ]),
 
       h('div.buy-modal-content-options.flex-column.flex-center', {}, [
 
         isTestNetwork
-          ? this.renderModalContentOption(networkName, 'Test Faucet', () => toFaucet(network))
-          : this.renderModalContentOption('Coinbase', 'Deposit with Fiat', () => toCoinbase(address)),
+          ? this.renderModalContentOption(networkName, t('testFaucet'), () => toFaucet(network))
+          : this.renderModalContentOption('Coinbase', t('depositFiat'), () => toCoinbase(address)),
 
         // h('div.buy-modal-content-option', {}, [
         //   h('div.buy-modal-content-option-title', {}, 'Shapeshift'),
@@ -72,8 +73,8 @@ BuyOptions.prototype.render = function () {
         // ]),,
 
         this.renderModalContentOption(
-          'Direct Deposit',
-          'Deposit from another account',
+          t('directDeposit'),
+          t('depositFromAccount'),
           () => this.goToAccountDetailsModal()
         ),
 
@@ -84,7 +85,7 @@ BuyOptions.prototype.render = function () {
           background: 'white',
         },
         onClick: () => { this.props.hideModal() },
-      }, h('div.buy-modal-content-footer#buy-modal-content-footer-text', {}, 'Cancel')),
+      }, h('div.buy-modal-content-footer#buy-modal-content-footer-text', {}, t('cancel'))),
     ]),
   ])
 }
diff --git a/ui/app/components/modals/deposit-ether-modal.js b/ui/app/components/modals/deposit-ether-modal.js
index 7547dbcf5..26ff3ea03 100644
--- a/ui/app/components/modals/deposit-ether-modal.js
+++ b/ui/app/components/modals/deposit-ether-modal.js
@@ -5,18 +5,18 @@ const connect = require('react-redux').connect
 const actions = require('../../actions')
 const networkNames = require('../../../../app/scripts/config.js').networkNames
 const ShapeshiftForm = require('../shapeshift-form')
-
-const DIRECT_DEPOSIT_ROW_TITLE = 'Directly Deposit Ether'
-const DIRECT_DEPOSIT_ROW_TEXT = `If you already have some Ether, the quickest way to get Ether in
-your new wallet by direct deposit.`
-const COINBASE_ROW_TITLE = 'Buy on Coinbase'
-const COINBASE_ROW_TEXT = `Coinbase is the world’s most popular way to buy and sell bitcoin,
-ethereum, and litecoin.`
-const SHAPESHIFT_ROW_TITLE = 'Deposit with ShapeShift'
-const SHAPESHIFT_ROW_TEXT = `If you own other cryptocurrencies, you can trade and deposit Ether
-directly into your MetaMask wallet. No Account Needed.`
-const FAUCET_ROW_TITLE = 'Test Faucet'
-const facuetRowText = networkName => `Get Ether from a faucet for the ${networkName}`
+const t = require('../../../i18n')
+
+const DIRECT_DEPOSIT_ROW_TITLE = t('directDepositEther')
+const DIRECT_DEPOSIT_ROW_TEXT = t('directDepositEtherExplainer')
+const COINBASE_ROW_TITLE = t('buyCoinbase')
+const COINBASE_ROW_TEXT = t('buyCoinbaseExplainer')
+const SHAPESHIFT_ROW_TITLE = t('depositShapeShift')
+const SHAPESHIFT_ROW_TEXT = t('depositShapeShiftExplainer')
+const FAUCET_ROW_TITLE = t('testFaucet')
+const facuetRowText = (networkName) => {
+  return t('getEtherFromFaucet', [networkName])
+}
 
 function mapStateToProps (state) {
   return {
@@ -83,7 +83,7 @@ DepositEtherModal.prototype.renderRow = function ({
 
     ]),
 
-    h('div.deposit-ether-modal__buy-row__logo', [logo]),
+    h('div.deposit-ether-modal__buy-row__logo-container', [logo]),
 
       h('div.deposit-ether-modal__buy-row__description', [
 
@@ -109,17 +109,17 @@ DepositEtherModal.prototype.render = function () {
   const isTestNetwork = ['3', '4', '42'].find(n => n === network)
   const networkName = networkNames[network]
 
-  return h('div.deposit-ether-modal', {}, [
+  return h('div.page-container.page-container--full-width', {}, [
 
-    h('div.deposit-ether-modal__header', [
+    h('div.page-container__header', [
 
-      h('div.deposit-ether-modal__header__title', ['Deposit Ether']),
+      h('div.page-container__title', [t('depositEther')]),
 
-      h('div.deposit-ether-modal__header__description', [
-        'To interact with decentralized applications using MetaMask, you’ll need Ether in your wallet.',
+      h('div.page-container__subtitle', [
+        t('needEtherInWallet'),
       ]),
 
-      h('div.deposit-ether-modal__header__close', {
+      h('div.page-container__header-close', {
         onClick: () => {
           this.setState({ buyingWithShapeshift: false })
           this.props.hideWarning()
@@ -128,55 +128,64 @@ DepositEtherModal.prototype.render = function () {
       }),
 
     ]),
+    
+    h('.page-container__content', {}, [
+    
+      h('div.deposit-ether-modal__buy-rows', [
+
+        this.renderRow({
+          logo: h('img.deposit-ether-modal__buy-row__eth-logo', { src: '../../../images/eth_logo.svg' }),
+          title: DIRECT_DEPOSIT_ROW_TITLE,
+          text: DIRECT_DEPOSIT_ROW_TEXT,
+          buttonLabel: t('viewAccount'),
+          onButtonClick: () => this.goToAccountDetailsModal(),
+          hide: buyingWithShapeshift,
+        }),
 
-    h('div.deposit-ether-modal__buy-rows', [
-
-      this.renderRow({
-        logo: h('img.deposit-ether-modal__buy-row__eth-logo', { src: '../../../images/eth_logo.svg' }),
-        title: DIRECT_DEPOSIT_ROW_TITLE,
-        text: DIRECT_DEPOSIT_ROW_TEXT,
-        buttonLabel: 'View Account',
-        onButtonClick: () => this.goToAccountDetailsModal(),
-        hide: buyingWithShapeshift,
-      }),
-
-      this.renderRow({
-        logo: h('i.fa.fa-tint.fa-2x'),
-        title: FAUCET_ROW_TITLE,
-        text: facuetRowText(networkName),
-        buttonLabel: 'Get Ether',
-        onButtonClick: () => toFaucet(network),
-        hide: !isTestNetwork || buyingWithShapeshift,
-      }),
-
-      this.renderRow({
-        logo: h('img.deposit-ether-modal__buy-row__coinbase-logo', {
-          src: '../../../images/coinbase logo.png',
+        this.renderRow({
+          logo: h('i.fa.fa-tint.fa-2x'),
+          title: FAUCET_ROW_TITLE,
+          text: facuetRowText(networkName),
+          buttonLabel: t('getEther'),
+          onButtonClick: () => toFaucet(network),
+          hide: !isTestNetwork || buyingWithShapeshift,
         }),
-        title: COINBASE_ROW_TITLE,
-        text: COINBASE_ROW_TEXT,
-        buttonLabel: 'Continue to Coinbase',
-        onButtonClick: () => toCoinbase(address),
-        hide: isTestNetwork || buyingWithShapeshift,
-      }),
 
-      this.renderRow({
-        logo: h('img.deposit-ether-modal__buy-row__shapeshift-logo', {
-          src: '../../../images/shapeshift logo.png',
+        this.renderRow({
+          logo: h('div.deposit-ether-modal__logo', {
+            style: {
+              backgroundImage: 'url(\'../../../images/coinbase logo.png\')',
+              height: '40px',
+            },
+          }),
+          title: COINBASE_ROW_TITLE,
+          text: COINBASE_ROW_TEXT,
+          buttonLabel: t('continueToCoinbase'),
+          onButtonClick: () => toCoinbase(address),
+          hide: isTestNetwork || buyingWithShapeshift,
         }),
-        title: SHAPESHIFT_ROW_TITLE,
-        text: SHAPESHIFT_ROW_TEXT,
-        buttonLabel: 'Buy with Shapeshift',
-        onButtonClick: () => this.setState({ buyingWithShapeshift: true }),
-        hide: isTestNetwork,
-        hideButton: buyingWithShapeshift,
-        hideTitle: buyingWithShapeshift,
-        onBackClick: () => this.setState({ buyingWithShapeshift: false }),
-        showBackButton: this.state.buyingWithShapeshift,
-        className: buyingWithShapeshift && 'deposit-ether-modal__buy-row__shapeshift-buy',
-      }),
+        
+        this.renderRow({
+          logo: h('div.deposit-ether-modal__logo', {
+            style: {
+              backgroundImage: 'url(\'../../../images/shapeshift logo.png\')',
+            },
+          }),
+          title: SHAPESHIFT_ROW_TITLE,
+          text: SHAPESHIFT_ROW_TEXT,
+          buttonLabel: t('shapeshiftBuy'),
+          onButtonClick: () => this.setState({ buyingWithShapeshift: true }),
+          hide: isTestNetwork,
+          hideButton: buyingWithShapeshift,
+          hideTitle: buyingWithShapeshift,
+          onBackClick: () => this.setState({ buyingWithShapeshift: false }),
+          showBackButton: this.state.buyingWithShapeshift,
+          className: buyingWithShapeshift && 'deposit-ether-modal__buy-row__shapeshift-buy',
+        }),
+
+        buyingWithShapeshift && h(ShapeshiftForm),
 
-      buyingWithShapeshift && h(ShapeshiftForm),
+      ]),
 
     ]),
   ])
diff --git a/ui/app/components/modals/edit-account-name-modal.js b/ui/app/components/modals/edit-account-name-modal.js
index e2361140d..6efa8d476 100644
--- a/ui/app/components/modals/edit-account-name-modal.js
+++ b/ui/app/components/modals/edit-account-name-modal.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
 const { getSelectedAccount } = require('../../selectors')
+const t = require('../../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -50,7 +51,7 @@ EditAccountNameModal.prototype.render = function () {
       ]),
 
       h('div.edit-account-name-modal-title', {
-      }, ['Edit Account Name']),
+      }, [t('editAccountName')]),
 
       h('input.edit-account-name-modal-input', {
         placeholder: identity.name,
@@ -60,7 +61,7 @@ EditAccountNameModal.prototype.render = function () {
         value: this.state.inputText,
       }, []),
 
-      h('button.btn-clear.edit-account-name-modal-save-button', {
+      h('button.btn-clear.edit-account-name-modal-save-button.allcaps', {
         onClick: () => {
           if (this.state.inputText.length !== 0) {
             saveAccountLabel(identity.address, this.state.inputText)
@@ -69,7 +70,7 @@ EditAccountNameModal.prototype.render = function () {
         },
         disabled: this.state.inputText.length === 0,
       }, [
-        'SAVE',
+        t('save'),
       ]),
 
     ]),
diff --git a/ui/app/components/modals/export-private-key-modal.js b/ui/app/components/modals/export-private-key-modal.js
index 422f23f44..017177cfd 100644
--- a/ui/app/components/modals/export-private-key-modal.js
+++ b/ui/app/components/modals/export-private-key-modal.js
@@ -7,6 +7,7 @@ const actions = require('../../actions')
 const AccountModalContainer = require('./account-modal-container')
 const { getSelectedIdentity } = require('../../selectors')
 const ReadOnlyInput = require('../readonly-input')
+const t = require('../../../i18n')
 const copyToClipboard = require('copy-to-clipboard')
 
 function mapStateToProps (state) {
@@ -48,8 +49,8 @@ ExportPrivateKeyModal.prototype.exportAccountAndGetPrivateKey = function (passwo
 
 ExportPrivateKeyModal.prototype.renderPasswordLabel = function (privateKey) {
   return h('span.private-key-password-label', privateKey
-    ? 'This is your private key (click to copy)'
-    : 'Type Your Password'
+    ? t('copyPrivateKey')
+    : t('typePassword')
   )
 }
 
@@ -86,8 +87,8 @@ ExportPrivateKeyModal.prototype.renderButtons = function (privateKey, password,
     ),
 
     (privateKey
-      ? this.renderButton('btn-clear export-private-key__button', () => hideModal(), 'Done')
-      : this.renderButton('btn-clear export-private-key__button', () => this.exportAccountAndGetPrivateKey(this.state.password, address), 'Confirm')
+      ? this.renderButton('btn-clear export-private-key__button', () => hideModal(), t('done'))
+      : this.renderButton('btn-clear export-private-key__button', () => this.exportAccountAndGetPrivateKey(this.state.password, address), t('confirm'))
     ),
 
   ])
@@ -120,7 +121,7 @@ ExportPrivateKeyModal.prototype.render = function () {
 
       h('div.account-modal-divider'),
 
-      h('span.modal-body-title', 'Show Private Keys'),
+      h('span.modal-body-title', t('showPrivateKeys')),
 
       h('div.private-key-password', {}, [
         this.renderPasswordLabel(privateKey),
@@ -130,10 +131,7 @@ ExportPrivateKeyModal.prototype.render = function () {
         !warning ? null : h('span.private-key-password-error', warning),
       ]),
 
-      h('div.private-key-password-warning', `Warning: Never disclose this key.
-        Anyone with your private keys can take steal any assets held in your
-        account.`
-      ),
+      h('div.private-key-password-warning', t('privateKeyWarning')),
 
       this.renderButtons(privateKey, this.state.password, address, hideModal),
 
diff --git a/ui/app/components/modals/hide-token-confirmation-modal.js b/ui/app/components/modals/hide-token-confirmation-modal.js
index 56c7ba299..33d8062c6 100644
--- a/ui/app/components/modals/hide-token-confirmation-modal.js
+++ b/ui/app/components/modals/hide-token-confirmation-modal.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
 const Identicon = require('../identicon')
+const t = require('../../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -41,7 +42,7 @@ HideTokenConfirmationModal.prototype.render = function () {
     h('div.hide-token-confirmation__container', {
     }, [
       h('div.hide-token-confirmation__title', {}, [
-        'Hide Token?',
+        t('hideTokenPrompt'),
       ]),
 
       h(Identicon, {
@@ -54,19 +55,19 @@ HideTokenConfirmationModal.prototype.render = function () {
       h('div.hide-token-confirmation__symbol', {}, symbol),
 
       h('div.hide-token-confirmation__copy', {}, [
-        'You can add this token back in the future by going go to “Add token” in your accounts options menu.',
+        t('readdToken'),
       ]),
 
       h('div.hide-token-confirmation__buttons', {}, [
-        h('button.btn-cancel.hide-token-confirmation__button', {
+        h('button.btn-cancel.hide-token-confirmation__button.allcaps', {
           onClick: () => hideModal(),
         }, [
-          'CANCEL',
+          t('cancel'),
         ]),
-        h('button.btn-clear.hide-token-confirmation__button', {
+        h('button.btn-clear.hide-token-confirmation__button.allcaps', {
           onClick: () => hideToken(address),
         }, [
-          'HIDE',
+          t('hide'),
         ]),
       ]),
     ]),
diff --git a/ui/app/components/modals/modal.js b/ui/app/components/modals/modal.js
index 8e9e58985..501b83430 100644
--- a/ui/app/components/modals/modal.js
+++ b/ui/app/components/modals/modal.js
@@ -6,6 +6,7 @@ const FadeModal = require('boron').FadeModal
 const actions = require('../../actions')
 const isMobileView = require('../../../lib/is-mobile-view')
 const isPopupOrNotification = require('../../../../app/scripts/lib/is-popup-or-notification')
+const t = require('../../../i18n')
 
 // Modal Components
 const BuyOptions = require('./buy-options-modal')
@@ -92,18 +93,20 @@ const MODALS = {
       display: 'flex',
     },
     laptopModalStyle: {
-      width: '900px',
-      maxWidth: '900px',
+      width: '850px',
       top: 'calc(10% + 10px)',
       left: '0',
       right: '0',
       margin: '0 auto',
       boxShadow: '0 0 6px 0 rgba(0,0,0,0.3)',
-      borderRadius: '8px',
+      borderRadius: '7px',
       transform: 'none',
+      height: 'calc(80% - 20px)',
+      overflowY: 'hidden',
     },
     contentStyle: {
-      borderRadius: '8px',
+      borderRadius: '7px',
+      height: '100%',
     },
   },
 
@@ -171,9 +174,8 @@ const MODALS = {
   BETA_UI_NOTIFICATION_MODAL: {
     contents: [
       h(NotifcationModal, {
-        header: 'Welcome to the New UI (Beta)',
-        message: `You are now using the new Metamask UI. Take a look around, try out new features like sending tokens,
-        and let us know if you have any issues.`,
+        header: t('uiWelcome'),
+        message: t('uiWelcomeMessage'),
       }),
     ],
     mobileModalStyle: {
@@ -189,9 +191,8 @@ const MODALS = {
   OLD_UI_NOTIFICATION_MODAL: {
     contents: [
       h(NotifcationModal, {
-        header: 'Old UI',
-        message: `You have returned to the old UI. You can switch back to the New UI through the option in the top
-        right dropdown menu.`,
+        header: t('oldUI'),
+        message: t('oldUIMessage'),
       }),
     ],
     mobileModalStyle: {
diff --git a/ui/app/components/modals/new-account-modal.js b/ui/app/components/modals/new-account-modal.js
index fc1fd413d..298b76af4 100644
--- a/ui/app/components/modals/new-account-modal.js
+++ b/ui/app/components/modals/new-account-modal.js
@@ -3,6 +3,7 @@ const PropTypes = require('prop-types')
 const h = require('react-hyperscript')
 const { connect } = require('react-redux')
 const actions = require('../../actions')
+const t = require('../../../i18n')
 
 class NewAccountModal extends Component {
   constructor (props) {
@@ -11,7 +12,7 @@ class NewAccountModal extends Component {
     const newAccountNumber = numberOfExistingAccounts + 1
 
     this.state = {
-      newAccountName: `Account ${newAccountNumber}`,
+      newAccountName: `${t('account')} ${newAccountNumber}`,
     }
   }
 
@@ -22,7 +23,7 @@ class NewAccountModal extends Component {
       h('div.new-account-modal-wrapper', {
       }, [
         h('div.new-account-modal-header', {}, [
-          'New Account',
+          t('newAccount'),
         ]),
 
         h('div.modal-close-x', {
@@ -30,19 +31,19 @@ class NewAccountModal extends Component {
         }),
 
         h('div.new-account-modal-content', {}, [
-          'Account Name',
+          t('accountName'),
         ]),
 
         h('div.new-account-input-wrapper', {}, [
           h('input.new-account-input', {
             value: this.state.newAccountName,
-            placeholder: 'E.g. My new account',
+            placeholder: t('sampleAccountName'),
             onChange: event => this.setState({ newAccountName: event.target.value }),
           }, []),
         ]),
 
         h('div.new-account-modal-content.after-input', {}, [
-          'or',
+          t('or'),
         ]),
 
         h('div.new-account-modal-content.after-input.pointer', {
@@ -50,13 +51,13 @@ class NewAccountModal extends Component {
             this.props.hideModal()
             this.props.showImportPage()
           },
-        }, 'Import an account'),
+        }, t('importAnAccount')),
 
-        h('div.new-account-modal-content.button', {}, [
+        h('div.new-account-modal-content.button.allcaps', {}, [
           h('button.btn-clear', {
             onClick: () => this.props.createAccount(newAccountName),
           }, [
-            'SAVE',
+            t('save'),
           ]),
         ]),
       ]),
diff --git a/ui/app/components/network.js b/ui/app/components/network.js
index 3e91fa807..f3df2242a 100644
--- a/ui/app/components/network.js
+++ b/ui/app/components/network.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const classnames = require('classnames')
 const inherits = require('util').inherits
 const NetworkDropdownIcon = require('./dropdowns/components/network-dropdown-icon')
+const t = require('../../i18n')
 
 module.exports = Network
 
@@ -33,7 +34,7 @@ Network.prototype.render = function () {
       onClick: (event) => this.props.onClick(event),
     }, [
       h('img', {
-        title: 'Attempting to connect to blockchain.',
+        title: t('attemptingConnect'),
         style: {
           width: '27px',
         },
@@ -41,22 +42,22 @@ Network.prototype.render = function () {
       }),
     ])
   } else if (providerName === 'mainnet') {
-    hoverText = 'Main Ethereum Network'
+    hoverText = t('mainnet')
     iconName = 'ethereum-network'
   } else if (providerName === 'ropsten') {
-    hoverText = 'Ropsten Test Network'
+    hoverText = t('ropsten')
     iconName = 'ropsten-test-network'
   } else if (parseInt(networkNumber) === 3) {
-    hoverText = 'Ropsten Test Network'
+    hoverText = t('ropsten')
     iconName = 'ropsten-test-network'
   } else if (providerName === 'kovan') {
-    hoverText = 'Kovan Test Network'
+    hoverText = t('kovan')
     iconName = 'kovan-test-network'
   } else if (providerName === 'rinkeby') {
-    hoverText = 'Rinkeby Test Network'
+    hoverText = t('rinkeby')
     iconName = 'rinkeby-test-network'
   } else {
-    hoverText = 'Unknown Private Network'
+    hoverText = t('unknownNetwork')
     iconName = 'unknown-private-network'
   }
 
@@ -84,7 +85,7 @@ Network.prototype.render = function () {
                 backgroundColor: '#038789', // $blue-lagoon
                 nonSelectBackgroundColor: '#15afb2',
               }),
-              h('.network-name', 'Main Network'),
+              h('.network-name', t('mainnet')),
               h('i.fa.fa-chevron-down.fa-lg.network-caret'),
             ])
           case 'ropsten-test-network':
@@ -93,7 +94,7 @@ Network.prototype.render = function () {
                 backgroundColor: '#e91550', // $crimson
                 nonSelectBackgroundColor: '#ec2c50',
               }),
-              h('.network-name', 'Ropsten Test Net'),
+              h('.network-name', t('ropsten')),
               h('i.fa.fa-chevron-down.fa-lg.network-caret'),
             ])
           case 'kovan-test-network':
@@ -102,7 +103,7 @@ Network.prototype.render = function () {
                 backgroundColor: '#690496', // $purple
                 nonSelectBackgroundColor: '#b039f3',
               }),
-              h('.network-name', 'Kovan Test Net'),
+              h('.network-name', t('kovan')),
               h('i.fa.fa-chevron-down.fa-lg.network-caret'),
             ])
           case 'rinkeby-test-network':
@@ -111,7 +112,7 @@ Network.prototype.render = function () {
                 backgroundColor: '#ebb33f', // $tulip-tree
                 nonSelectBackgroundColor: '#ecb23e',
               }),
-              h('.network-name', 'Rinkeby Test Net'),
+              h('.network-name', t('rinkeby')),
               h('i.fa.fa-chevron-down.fa-lg.network-caret'),
             ])
           default:
@@ -123,7 +124,7 @@ Network.prototype.render = function () {
                 },
               }),
 
-              h('.network-name', 'Private Network'),
+              h('.network-name', t('privateNetwork')),
               h('i.fa.fa-chevron-down.fa-lg.network-caret'),
             ])
         }
diff --git a/ui/app/components/notice.js b/ui/app/components/notice.js
index 9d2e89cb0..8b0ce1e8b 100644
--- a/ui/app/components/notice.js
+++ b/ui/app/components/notice.js
@@ -4,6 +4,7 @@ const h = require('react-hyperscript')
 const ReactMarkdown = require('react-markdown')
 const linker = require('extension-link-enabler')
 const findDOMNode = require('react-dom').findDOMNode
+const t = require('../../i18n')
 
 module.exports = Notice
 
@@ -110,7 +111,7 @@ Notice.prototype.render = function () {
         style: {
           marginTop: '18px',
         },
-      }, 'Accept'),
+      }, t('accept')),
     ])
   )
 }
diff --git a/ui/app/components/pending-msg-details.js b/ui/app/components/pending-msg-details.js
index 718a22de0..87e66855d 100644
--- a/ui/app/components/pending-msg-details.js
+++ b/ui/app/components/pending-msg-details.js
@@ -1,6 +1,7 @@
 const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
+const t = require('../../i18n')
 
 const AccountPanel = require('./account-panel')
 
@@ -39,7 +40,7 @@ PendingMsgDetails.prototype.render = function () {
       // message data
       h('.tx-data.flex-column.flex-justify-center.flex-grow.select-none', [
         h('.flex-column.flex-space-between', [
-          h('label.font-small', 'MESSAGE'),
+          h('label.font-small.allcaps', t('message')),
           h('span.font-small', msgParams.data),
         ]),
       ]),
@@ -47,4 +48,3 @@ PendingMsgDetails.prototype.render = function () {
     ])
   )
 }
-
diff --git a/ui/app/components/pending-msg.js b/ui/app/components/pending-msg.js
index 834719c53..dc406b955 100644
--- a/ui/app/components/pending-msg.js
+++ b/ui/app/components/pending-msg.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const PendingTxDetails = require('./pending-msg-details')
+const t = require('../../i18n')
 
 module.exports = PendingMsg
 
@@ -29,17 +30,14 @@ PendingMsg.prototype.render = function () {
           fontWeight: 'bold',
           textAlign: 'center',
         },
-      }, 'Sign Message'),
+      }, t('signMessage')),
 
       h('.error', {
         style: {
           margin: '10px',
         },
       }, [
-        `Signing this message can have
-        dangerous side effects. Only sign messages from
-        sites you fully trust with your entire account.
-        This dangerous method will be removed in a future version. `,
+        t('signNotice'),
         h('a', {
           href: 'https://medium.com/metamask/the-new-secure-way-to-sign-data-in-your-browser-6af9dd2a1527',
           style: { color: 'rgb(247, 134, 28)' },
@@ -48,7 +46,7 @@ PendingMsg.prototype.render = function () {
             const url = 'https://medium.com/metamask/the-new-secure-way-to-sign-data-in-your-browser-6af9dd2a1527'
             global.platform.openWindow({ url })
           },
-        }, 'Read more here.'),
+        }, t('readMore')),
       ]),
 
       // message details
@@ -58,13 +56,12 @@ PendingMsg.prototype.render = function () {
       h('.flex-row.flex-space-around', [
         h('button', {
           onClick: state.cancelMessage,
-        }, 'Cancel'),
+        }, t('cancel')),
         h('button', {
           onClick: state.signMessage,
-        }, 'Sign'),
+        }, t('sign')),
       ]),
     ])
 
   )
 }
-
diff --git a/ui/app/components/pending-personal-msg-details.js b/ui/app/components/pending-personal-msg-details.js
index 1050513f2..b896e9a7e 100644
--- a/ui/app/components/pending-personal-msg-details.js
+++ b/ui/app/components/pending-personal-msg-details.js
@@ -1,6 +1,7 @@
 const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
+const t = require('../../i18n')
 
 const AccountPanel = require('./account-panel')
 const BinaryRenderer = require('./binary-renderer')
@@ -45,7 +46,7 @@ PendingMsgDetails.prototype.render = function () {
           height: '260px',
         },
       }, [
-        h('label.font-small', { style: { display: 'block' } }, 'MESSAGE'),
+        h('label.font-small.allcaps', { style: { display: 'block' } }, t('message')),
         h(BinaryRenderer, {
           value: data,
           style: {
@@ -57,4 +58,3 @@ PendingMsgDetails.prototype.render = function () {
     ])
   )
 }
-
diff --git a/ui/app/components/pending-tx/confirm-deploy-contract.js b/ui/app/components/pending-tx/confirm-deploy-contract.js
index ae6c6ef7b..49fbe6387 100644
--- a/ui/app/components/pending-tx/confirm-deploy-contract.js
+++ b/ui/app/components/pending-tx/confirm-deploy-contract.js
@@ -9,6 +9,7 @@ const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
 const hexToBn = require('../../../../app/scripts/lib/hex-to-bn')
 const { conversionUtil } = require('../../conversion-util')
+const t = require('../../../i18n')
 
 const { MIN_GAS_PRICE_HEX } = require('../send/send-constants')
 
@@ -55,7 +56,7 @@ ConfirmDeployContract.prototype.onSubmit = function (event) {
   if (valid && this.verifyGasParams()) {
     this.props.sendTransaction(txMeta, event)
   } else {
-    this.props.dispatch(actions.displayWarning('Invalid Gas Parameters'))
+    this.props.dispatch(actions.displayWarning(t('invalidGasParams')))
     this.setState({ submitting: false })
   }
 }
@@ -200,7 +201,7 @@ ConfirmDeployContract.prototype.renderGasFee = function () {
 
   return (
     h('section.flex-row.flex-center.confirm-screen-row', [
-      h('span.confirm-screen-label.confirm-screen-section-column', [ 'Gas Fee' ]),
+      h('span.confirm-screen-label.confirm-screen-section-column', [ t('gasFee') ]),
       h('div.confirm-screen-section-column', [
         h('div.confirm-screen-row-info', `${fiatGas} ${currentCurrency.toUpperCase()}`),
 
@@ -239,8 +240,8 @@ ConfirmDeployContract.prototype.renderTotalPlusGas = function () {
   return (
     h('section.flex-row.flex-center.confirm-screen-total-box ', [
       h('div.confirm-screen-section-column', [
-        h('span.confirm-screen-label', [ 'Total ' ]),
-        h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]),
+        h('span.confirm-screen-label', [ t('total') + ' ' ]),
+        h('div.confirm-screen-total-box__subtitle', [ t('amountPlusGas') ]),
       ]),
 
       h('div.confirm-screen-section-column', [
@@ -271,10 +272,10 @@ ConfirmDeployContract.prototype.render = function () {
       // Main Send token Card
       h('div.confirm-screen-wrapper.flex-column.flex-grow', [
         h('h3.flex-center.confirm-screen-header', [
-          h('button.confirm-screen-back-button', {
+          h('button.confirm-screen-back-button.allcaps', {
             onClick: () => backToAccountDetail(selectedAddress),
-          }, 'BACK'),
-          h('div.confirm-screen-title', 'Confirm Contract'),
+          }, t('back')),
+          h('div.confirm-screen-title', t('confirmContract')),
           h('div.confirm-screen-header-tip'),
         ]),
         h('div.flex-row.flex-center.confirm-screen-identicons', [
@@ -292,7 +293,7 @@ ConfirmDeployContract.prototype.render = function () {
           h('i.fa.fa-arrow-right.fa-lg'),
           h('div.confirm-screen-account-wrapper', [
             h('i.fa.fa-file-text-o'),
-            h('span.confirm-screen-account-name', 'New Contract'),
+            h('span.confirm-screen-account-name', t('newContract')),
             h('span.confirm-screen-account-number', ' '),
           ]),
         ]),
@@ -310,7 +311,7 @@ ConfirmDeployContract.prototype.render = function () {
 
         h('div.confirm-screen-rows', [
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'From' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('from') ]),
             h('div.confirm-screen-section-column', [
               h('div.confirm-screen-row-info', fromName),
               h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`),
@@ -318,9 +319,9 @@ ConfirmDeployContract.prototype.render = function () {
           ]),
 
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'To' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('to') ]),
             h('div.confirm-screen-section-column', [
-              h('div.confirm-screen-row-info', 'New Contract'),
+              h('div.confirm-screen-row-info', t('newContract')),
             ]),
           ]),
 
@@ -335,12 +336,12 @@ ConfirmDeployContract.prototype.render = function () {
         onSubmit: this.onSubmit,
       }, [
         // Cancel Button
-        h('div.cancel.btn-light.confirm-screen-cancel-button', {
+        h('div.cancel.btn-light.confirm-screen-cancel-button.allcaps', {
           onClick: (event) => this.cancel(event, txMeta),
-        }, 'CANCEL'),
+        }, t('cancel')),
 
         // Accept Button
-        h('button.confirm-screen-confirm-button', ['CONFIRM']),
+        h('button.confirm-screen-confirm-button.allcaps', [t('confirm')]),
 
       ]),
     ])
diff --git a/ui/app/components/pending-tx/confirm-send-ether.js b/ui/app/components/pending-tx/confirm-send-ether.js
index 4666e047d..6624a378d 100644
--- a/ui/app/components/pending-tx/confirm-send-ether.js
+++ b/ui/app/components/pending-tx/confirm-send-ether.js
@@ -14,6 +14,7 @@ const {
   multiplyCurrencies,
 } = require('../../conversion-util')
 const GasFeeDisplay = require('../send/gas-fee-display-v2')
+const t = require('../../../i18n')
 
 const { MIN_GAS_PRICE_HEX } = require('../send/send-constants')
 
@@ -197,7 +198,7 @@ ConfirmSendEther.prototype.getData = function () {
     },
     to: {
       address: txParams.to,
-      name: identities[txParams.to] ? identities[txParams.to].name : 'New Recipient',
+      name: identities[txParams.to] ? identities[txParams.to].name : t('newRecipient'),
     },
     memo: txParams.memo || '',
     gasFeeInFIAT,
@@ -311,7 +312,7 @@ ConfirmSendEther.prototype.render = function () {
 
         h('div.confirm-screen-rows', [
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'From' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('from') ]),
             h('div.confirm-screen-section-column', [
               h('div.confirm-screen-row-info', fromName),
               h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`),
@@ -319,7 +320,7 @@ ConfirmSendEther.prototype.render = function () {
           ]),
 
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'To' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('to') ]),
             h('div.confirm-screen-section-column', [
               h('div.confirm-screen-row-info', toName),
               h('div.confirm-screen-row-detail', `...${toAddress.slice(toAddress.length - 4)}`),
@@ -327,7 +328,7 @@ ConfirmSendEther.prototype.render = function () {
           ]),
 
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'Gas Fee' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('gasFee') ]),
             h('div.confirm-screen-section-column', [
               h(GasFeeDisplay, {
                 gasTotal: gasTotal || gasFeeInHex,
@@ -341,8 +342,8 @@ ConfirmSendEther.prototype.render = function () {
 
           h('section.flex-row.flex-center.confirm-screen-total-box ', [
             h('div.confirm-screen-section-column', [
-              h('span.confirm-screen-label', [ 'Total ' ]),
-              h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]),
+              h('span.confirm-screen-label', [ t('total') + ' ' ]),
+              h('div.confirm-screen-total-box__subtitle', [ t('amountPlusGas') ]),
             ]),
 
             h('div.confirm-screen-section-column', [
@@ -437,15 +438,15 @@ ConfirmSendEther.prototype.render = function () {
         onSubmit: this.onSubmit,
       }, [
         // Cancel Button
-        h('div.cancel.btn-light.confirm-screen-cancel-button', {
+        h('div.cancel.btn-light.confirm-screen-cancel-button.allcaps', {
           onClick: (event) => {
             clearSend()
             this.cancel(event, txMeta)
           },
-        }, 'CANCEL'),
+        }, t('cancel')),
 
         // Accept Button
-        h('button.confirm-screen-confirm-button', ['CONFIRM']),
+        h('button.confirm-screen-confirm-button.allcaps', [t('confirm')]),
       ]),
     ])
   )
@@ -460,7 +461,7 @@ ConfirmSendEther.prototype.onSubmit = function (event) {
   if (valid && this.verifyGasParams()) {
     this.props.sendTransaction(txMeta, event)
   } else {
-    this.props.dispatch(actions.displayWarning('Invalid Gas Parameters'))
+    this.props.dispatch(actions.displayWarning(t('invalidGasParams')))
     this.setState({ submitting: false })
   }
 }
diff --git a/ui/app/components/pending-tx/confirm-send-token.js b/ui/app/components/pending-tx/confirm-send-token.js
index 476c1d259..ac773b1d2 100644
--- a/ui/app/components/pending-tx/confirm-send-token.js
+++ b/ui/app/components/pending-tx/confirm-send-token.js
@@ -6,6 +6,7 @@ const tokenAbi = require('human-standard-token-abi')
 const abiDecoder = require('abi-decoder')
 abiDecoder.addABI(tokenAbi)
 const actions = require('../../actions')
+const t = require('../../../i18n')
 const clone = require('clone')
 const Identicon = require('../identicon')
 const GasFeeDisplay = require('../send/gas-fee-display-v2.js')
@@ -64,8 +65,8 @@ function mapDispatchToProps (dispatch, ownProps) {
     updateTokenExchangeRate: () => dispatch(actions.updateTokenExchangeRate(symbol)),
     editTransaction: txMeta => {
       const { token: { address } } = ownProps
-      const { txParams, id } = txMeta
-      const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data)
+      const { txParams = {}, id } = txMeta
+      const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data) || {}
       const { params = [] } = tokenData
       const { value: to } = params[0] || {}
       const { value: tokenAmountInDec } = params[1] || {}
@@ -169,7 +170,7 @@ ConfirmSendToken.prototype.getAmount = function () {
       ? +(sendTokenAmount * tokenExchangeRate * conversionRate).toFixed(2)
       : null,
     token: typeof value === 'undefined'
-      ? 'Unknown'
+      ? t('unknown')
       : +sendTokenAmount.toFixed(decimals),
   }
 
@@ -241,7 +242,7 @@ ConfirmSendToken.prototype.getData = function () {
     },
     to: {
       address: value,
-      name: identities[value] ? identities[value].name : 'New Recipient',
+      name: identities[value] ? identities[value].name : t('newRecipient'),
     },
     memo: txParams.memo || '',
   }
@@ -287,7 +288,7 @@ ConfirmSendToken.prototype.renderGasFee = function () {
 
   return (
     h('section.flex-row.flex-center.confirm-screen-row', [
-      h('span.confirm-screen-label.confirm-screen-section-column', [ 'Gas Fee' ]),
+      h('span.confirm-screen-label.confirm-screen-section-column', [ t('gasFee') ]),
       h('div.confirm-screen-section-column', [
         h(GasFeeDisplay, {
           gasTotal: gasTotal || gasFeeInHex,
@@ -309,8 +310,8 @@ ConfirmSendToken.prototype.renderTotalPlusGas = function () {
     ? (
       h('section.flex-row.flex-center.confirm-screen-total-box ', [
         h('div.confirm-screen-section-column', [
-          h('span.confirm-screen-label', [ 'Total ' ]),
-          h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]),
+          h('span.confirm-screen-label', [ t('total') + ' ' ]),
+          h('div.confirm-screen-total-box__subtitle', [ t('amountPlusGas') ]),
         ]),
 
         h('div.confirm-screen-section-column', [
@@ -322,13 +323,13 @@ ConfirmSendToken.prototype.renderTotalPlusGas = function () {
     : (
       h('section.flex-row.flex-center.confirm-screen-total-box ', [
         h('div.confirm-screen-section-column', [
-          h('span.confirm-screen-label', [ 'Total ' ]),
-          h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]),
+          h('span.confirm-screen-label', [ t('total') + ' ' ]),
+          h('div.confirm-screen-total-box__subtitle', [ t('amountPlusGas') ]),
         ]),
 
         h('div.confirm-screen-section-column', [
           h('div.confirm-screen-row-info', `${tokenAmount} ${symbol}`),
-          h('div.confirm-screen-row-detail', `+ ${fiatGas} ${currentCurrency} Gas`),
+          h('div.confirm-screen-row-detail', `+ ${fiatGas} ${currentCurrency} ${t('gas')}`),
         ]),
       ])
     )
@@ -350,10 +351,10 @@ ConfirmSendToken.prototype.render = function () {
 
   this.inputs = []
 
-  const title = txMeta.lastGasPrice ? 'Reprice Transaction' : 'Confirm'
+  const title = txMeta.lastGasPrice ? 'Reprice Transaction' : t('confirm')
   const subtitle = txMeta.lastGasPrice
     ? 'Increase your gas fee to attempt to overwrite and speed up your transaction'
-    : 'Please review your transaction.'
+    : t('pleaseReviewTransaction')
 
   return (
     h('div.confirm-screen-container.confirm-send-token', [
@@ -362,7 +363,7 @@ ConfirmSendToken.prototype.render = function () {
         h('div.page-container__header', [
           !txMeta.lastGasPrice && h('button.confirm-screen-back-button', {
             onClick: () => editTransaction(txMeta),
-          }, 'Edit'),
+          }, t('edit')),
           h('div.page-container__title', title),
           h('div.page-container__subtitle', subtitle),
         ]),
@@ -405,7 +406,7 @@ ConfirmSendToken.prototype.render = function () {
 
         h('div.confirm-screen-rows', [
           h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'From' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('from') ]),
             h('div.confirm-screen-section-column', [
               h('div.confirm-screen-row-info', fromName),
               h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`),
@@ -413,7 +414,7 @@ ConfirmSendToken.prototype.render = function () {
           ]),
 
           toAddress && h('section.flex-row.flex-center.confirm-screen-row', [
-            h('span.confirm-screen-label.confirm-screen-section-column', [ 'To' ]),
+            h('span.confirm-screen-label.confirm-screen-section-column', [ t('to') ]),
             h('div.confirm-screen-section-column', [
               h('div.confirm-screen-row-info', toName),
               h('div.confirm-screen-row-detail', `...${toAddress.slice(toAddress.length - 4)}`),
@@ -431,12 +432,12 @@ ConfirmSendToken.prototype.render = function () {
         onSubmit: this.onSubmit,
       }, [
         // Cancel Button
-        h('div.cancel.btn-light.confirm-screen-cancel-button', {
+        h('div.cancel.btn-light.confirm-screen-cancel-button.allcaps', {
           onClick: (event) => this.cancel(event, txMeta),
-        }, 'CANCEL'),
+        }, t('cancel')),
 
         // Accept Button
-        h('button.confirm-screen-confirm-button', ['CONFIRM']),
+        h('button.confirm-screen-confirm-button.allcaps', [t('confirm')]),
       ]),
 
 
@@ -453,7 +454,7 @@ ConfirmSendToken.prototype.onSubmit = function (event) {
   if (valid && this.verifyGasParams()) {
     this.props.sendTransaction(txMeta, event)
   } else {
-    this.props.dispatch(actions.displayWarning('Invalid Gas Parameters'))
+    this.props.dispatch(actions.displayWarning(t('invalidGasParams')))
     this.setState({ submitting: false })
   }
 }
diff --git a/ui/app/components/pending-typed-msg-details.js b/ui/app/components/pending-typed-msg-details.js
index b5fd29f71..ae0a1171e 100644
--- a/ui/app/components/pending-typed-msg-details.js
+++ b/ui/app/components/pending-typed-msg-details.js
@@ -4,6 +4,7 @@ const inherits = require('util').inherits
 
 const AccountPanel = require('./account-panel')
 const TypedMessageRenderer = require('./typed-message-renderer')
+const t = require('../../i18n')
 
 module.exports = PendingMsgDetails
 
@@ -45,7 +46,7 @@ PendingMsgDetails.prototype.render = function () {
           height: '260px',
         },
       }, [
-        h('label.font-small', { style: { display: 'block' } }, 'YOU ARE SIGNING'),
+        h('label.font-small.allcaps', { style: { display: 'block' } }, t('youSign')),
         h(TypedMessageRenderer, {
           value: data,
           style: {
diff --git a/ui/app/components/pending-typed-msg.js b/ui/app/components/pending-typed-msg.js
index f8926d0a3..ccde5e8af 100644
--- a/ui/app/components/pending-typed-msg.js
+++ b/ui/app/components/pending-typed-msg.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const PendingTxDetails = require('./pending-typed-msg-details')
+const t = require('../../i18n')
 
 module.exports = PendingMsg
 
@@ -26,19 +27,19 @@ PendingMsg.prototype.render = function () {
           fontWeight: 'bold',
           textAlign: 'center',
         },
-      }, 'Sign Message'),
+      }, t('signMessage')),
 
       // message details
       h(PendingTxDetails, state),
 
       // sign + cancel
       h('.flex-row.flex-space-around', [
-        h('button', {
+        h('button.allcaps', {
           onClick: state.cancelTypedMessage,
-        }, 'Cancel'),
-        h('button', {
+        }, t('cancel')),
+        h('button.allcaps', {
           onClick: state.signTypedMessage,
-        }, 'Sign'),
+        }, t('sign')),
       ]),
     ])
 
diff --git a/ui/app/components/send-token/index.js b/ui/app/components/send-token/index.js
index 99d078251..58743b641 100644
--- a/ui/app/components/send-token/index.js
+++ b/ui/app/components/send-token/index.js
@@ -7,6 +7,7 @@ const inherits = require('util').inherits
 const actions = require('../../actions')
 const selectors = require('../../selectors')
 const { isValidAddress, allNull } = require('../../util')
+const t = require('../../../i18n')
 
 // const BalanceComponent = require('./balance-component')
 const Identicon = require('../identicon')
@@ -126,14 +127,14 @@ SendTokenScreen.prototype.validate = function () {
   const amount = Number(stringAmount)
 
   const errors = {
-    to: !to ? 'Required' : null,
-    amount: !amount ? 'Required' : null,
-    gasPrice: !gasPrice ? 'Gas Price Required' : null,
-    gasLimit: !gasLimit ? 'Gas Limit Required' : null,
+    to: !to ? t('required') : null,
+    amount: !amount ? t('required') : null,
+    gasPrice: !gasPrice ? t('gasPriceRequired') : null,
+    gasLimit: !gasLimit ? t('gasLimitRequired') : null,
   }
 
   if (to && !isValidAddress(to)) {
-    errors.to = 'Invalid address'
+    errors.to = t('invalidAddress')
   }
 
   const isValid = Object.entries(errors).every(([key, value]) => value === null)
@@ -233,11 +234,11 @@ SendTokenScreen.prototype.renderToAddressInput = function () {
       'send-screen-input-wrapper--error': errorMessage,
     }),
   }, [
-    h('div', ['To:']),
+    h('div', [t('to') + ':']),
     h('input.large-input.send-screen-input', {
       name: 'address',
       list: 'addresses',
-      placeholder: 'Address',
+      placeholder: t('address'),
       value: to,
       onChange: e => this.setState({
         to: e.target.value,
@@ -290,7 +291,7 @@ SendTokenScreen.prototype.renderAmountInput = function () {
     }),
   }, [
     h('div.send-screen-amount-labels', [
-      h('span', ['Amount']),
+      h('span', [t('amount')]),
       h(CurrencyToggle, {
         currentCurrency: tokenExchangeRate ? selectedCurrency : 'USD',
         currencies: tokenExchangeRate ? [ symbol, 'USD' ] : [],
@@ -355,8 +356,8 @@ SendTokenScreen.prototype.renderGasInput = function () {
     }),
 
     h('div.send-screen-gas-labels', {}, [
-      h('span', [ h('i.fa.fa-bolt'), 'Gas fee:']),
-      h('span', ['What\'s this?']),
+      h('span', [ h('i.fa.fa-bolt'), t('gasFee') + ':']),
+      h('span', [t('whatsThis')]),
     ]),
     h('div.large-input.send-screen-gas-input', [
       h(GasFeeDisplay, {
@@ -370,7 +371,7 @@ SendTokenScreen.prototype.renderGasInput = function () {
       h(
         'div.send-screen-gas-input-customize',
         { onClick: () => this.setState({ isGasTooltipOpen: !isGasTooltipOpen }) },
-        ['Customize']
+        [t('customize')]
       ),
     ]),
     h('div.send-screen-input-wrapper__error-message', [
@@ -381,7 +382,7 @@ SendTokenScreen.prototype.renderGasInput = function () {
 
 SendTokenScreen.prototype.renderMemoInput = function () {
   return h('div.send-screen-input-wrapper', [
-    h('div', {}, ['Transaction memo (optional)']),
+    h('div', {}, [t('transactionMemo')]),
     h(
       'input.large-input.send-screen-input',
       { onChange: e => this.setState({ memo: e.target.value }) }
@@ -397,10 +398,10 @@ SendTokenScreen.prototype.renderButtons = function () {
     h('button.send-token__button-next.btn-secondary', {
       className: !isValid && 'send-screen__send-button__disabled',
       onClick: () => isValid && this.submit(),
-    }, ['Next']),
+    }, [t('next')]),
     h('button.send-token__button-cancel.btn-tertiary', {
       onClick: () => backToAccountDetail(selectedAddress),
-    }, ['Cancel']),
+    }, [t('cancel')]),
   ])
 }
 
@@ -417,9 +418,9 @@ SendTokenScreen.prototype.render = function () {
         diameter: 75,
         address: selectedTokenAddress,
       }),
-      h('div.send-token__title', ['Send Tokens']),
-      h('div.send-token__description', ['Send Tokens to anyone with an Ethereum account']),
-      h('div.send-token__balance-text', ['Your Token Balance is:']),
+      h('div.send-token__title', [t('sendTokens')]),
+      h('div.send-token__description', [t('sendTokensAnywhere')]),
+      h('div.send-token__balance-text', [t('tokenBalance')]),
       h('div.send-token__token-balance', [
         h(TokenBalance, { token: selectedToken, balanceOnly: true }),
       ]),
diff --git a/ui/app/components/send/gas-fee-display-v2.js b/ui/app/components/send/gas-fee-display-v2.js
index da1bdd05e..ca7fbd9a0 100644
--- a/ui/app/components/send/gas-fee-display-v2.js
+++ b/ui/app/components/send/gas-fee-display-v2.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const CurrencyDisplay = require('./currency-display')
+const t = require('../../../i18n')
 
 module.exports = GasFeeDisplay
 
@@ -30,7 +31,7 @@ GasFeeDisplay.prototype.render = function () {
         convertedPrefix: '$',
         readOnly: true,
       })
-      : h('div.currency-display', 'Loading...'),
+      : h('div.currency-display', t('loading')),
 
     h('button.sliders-icon-container', {
       onClick,
@@ -41,4 +42,3 @@ GasFeeDisplay.prototype.render = function () {
 
   ])
 }
-
diff --git a/ui/app/components/send/gas-tooltip.js b/ui/app/components/send/gas-tooltip.js
index 46aff3499..d925d3ed8 100644
--- a/ui/app/components/send/gas-tooltip.js
+++ b/ui/app/components/send/gas-tooltip.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const InputNumber = require('../input-number.js')
+const t = require('../../../i18n')
 
 module.exports = GasTooltip
 
@@ -81,7 +82,7 @@ GasTooltip.prototype.render = function () {
             'marginTop': '81px',
           },
         }, [
-          h('span.gas-tooltip-label', {}, ['Gas Limit']),
+          h('span.gas-tooltip-label', {}, [t('gasLimit')]),
           h('i.fa.fa-info-circle'),
         ]),
         h(InputNumber, {
@@ -97,4 +98,3 @@ GasTooltip.prototype.render = function () {
     ]),
   ])
 }
-
diff --git a/ui/app/components/send/to-autocomplete.js b/ui/app/components/send/to-autocomplete.js
index e0cdd0a58..72074229e 100644
--- a/ui/app/components/send/to-autocomplete.js
+++ b/ui/app/components/send/to-autocomplete.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const AccountListItem = require('./account-list-item')
+const t = require('../../../i18n')
 
 module.exports = ToAutoComplete
 
@@ -92,7 +93,7 @@ ToAutoComplete.prototype.render = function () {
   return h('div.send-v2__to-autocomplete', {}, [
 
     h('input.send-v2__to-autocomplete__input', {
-      placeholder: 'Recipient Address',
+      placeholder: t('recipientAddress'),
       className: inError ? `send-v2__error-border` : '',
       value: to,
       onChange: event => onChange(event.target.value),
@@ -111,4 +112,3 @@ ToAutoComplete.prototype.render = function () {
 
   ])
 }
-
diff --git a/ui/app/components/shapeshift-form.js b/ui/app/components/shapeshift-form.js
index 87eb1588a..f75d6176e 100644
--- a/ui/app/components/shapeshift-form.js
+++ b/ui/app/components/shapeshift-form.js
@@ -7,6 +7,7 @@ const { qrcode } = require('qrcode-npm')
 const { shapeShiftSubview, pairUpdate, buyWithShapeShift } = require('../actions')
 const { isValidAddress } = require('../util')
 const SimpleDropdown = require('./dropdowns/simple-dropdown')
+const t = require('../../i18n')
 
 function mapStateToProps (state) {
   const {
@@ -15,7 +16,7 @@ function mapStateToProps (state) {
     selectedAddress,
   } = state.metamask
   const { warning } = state.appState
-  
+
   return {
     coinOptions,
     tokenExchangeRates,
@@ -93,7 +94,7 @@ ShapeshiftForm.prototype.onBuyWithShapeShift = function () {
       }))
       .catch(() => this.setState({
         showQrCode: false,
-        errorMessage: 'Invalid Request',
+        errorMessage: t('invalidRequest'),
         isLoading: false,
       }))
   }
@@ -125,10 +126,10 @@ ShapeshiftForm.prototype.renderMarketInfo = function () {
 
   return h('div.shapeshift-form__metadata', {}, [
 
-    this.renderMetadata('Status', limit ? 'Available' : 'Unavailable'),
-    this.renderMetadata('Limit', limit),
-    this.renderMetadata('Exchange Rate', rate),
-    this.renderMetadata('Minimum', minimum),
+    this.renderMetadata(t('status'), limit ? t('available') : t('unavailable')),
+    this.renderMetadata(t('limit'), limit),
+    this.renderMetadata(t('exchangeRate'), rate),
+    this.renderMetadata(t('min'), minimum),
 
   ])
 }
@@ -142,7 +143,7 @@ ShapeshiftForm.prototype.renderQrCode = function () {
   return h('div.shapeshift-form', {}, [
 
     h('div.shapeshift-form__deposit-instruction', [
-      `Deposit your ${depositCoin.toUpperCase()} to the address below:`,
+      t('depositCoin', depositCoin.toUpperCase()),
     ]),
 
     h('div', depositAddress),
@@ -179,7 +180,7 @@ ShapeshiftForm.prototype.render = function () {
 
             h('div.shapeshift-form__selector', [
 
-              h('div.shapeshift-form__selector-label', 'Deposit'),
+              h('div.shapeshift-form__selector-label', t('deposit')),
 
               h(SimpleDropdown, {
                 selectedOption: this.state.depositCoin,
@@ -199,7 +200,7 @@ ShapeshiftForm.prototype.render = function () {
             h('div.shapeshift-form__selector', [
 
               h('div.shapeshift-form__selector-label', [
-                'Receive',
+                t('receive'),
               ]),
 
               h('div.shapeshift-form__selector-input', ['ETH']),
@@ -217,7 +218,7 @@ ShapeshiftForm.prototype.render = function () {
           }, [
 
             h('div.shapeshift-form__address-input-label', [
-              'Your Refund Address',
+              t('refundAddress'),
             ]),
 
             h('input.shapeshift-form__address-input', {
@@ -239,7 +240,7 @@ ShapeshiftForm.prototype.render = function () {
         className: btnClass,
         disabled: !token,
         onClick: () => this.onBuyWithShapeShift(),
-      }, ['Buy']),
+      }, [t('buy')]),
 
     ])
 }
diff --git a/ui/app/components/shift-list-item.js b/ui/app/components/shift-list-item.js
index 017bf9f0c..fddbc6821 100644
--- a/ui/app/components/shift-list-item.js
+++ b/ui/app/components/shift-list-item.js
@@ -6,6 +6,7 @@ const vreme = new (require('vreme'))()
 const explorerLink = require('etherscan-link').createExplorerLink
 const actions = require('../actions')
 const addressSummary = require('../util').addressSummary
+const t = require('../../i18n')
 
 const CopyButton = require('./copyButton')
 const EthBalance = require('./eth-balance')
@@ -75,7 +76,7 @@ ShiftListItem.prototype.renderUtilComponents = function () {
           value: this.props.depositAddress,
         }),
         h(Tooltip, {
-          title: 'QR Code',
+          title: t('qrCode'),
         }, [
           h('i.fa.fa-qrcode.pointer.pop-hover', {
             onClick: () => props.dispatch(actions.reshowQrCode(props.depositAddress, props.depositType)),
@@ -135,8 +136,8 @@ ShiftListItem.prototype.renderInfo = function () {
             color: '#ABA9AA',
             width: '100%',
           },
-        }, `${props.depositType} to ETH via ShapeShift`),
-        h('div', 'No deposits received'),
+        }, t('toETHviaShapeShift', [props.depositType])),
+        h('div', t('noDeposits')),
         h('div', {
           style: {
             fontSize: 'x-small',
@@ -158,8 +159,8 @@ ShiftListItem.prototype.renderInfo = function () {
             color: '#ABA9AA',
             width: '100%',
           },
-        }, `${props.depositType} to ETH via ShapeShift`),
-        h('div', 'Conversion in progress'),
+        }, t('toETHviaShapeShift', [props.depositType])),
+        h('div', t('conversionProgress')),
         h('div', {
           style: {
             fontSize: 'x-small',
@@ -184,7 +185,7 @@ ShiftListItem.prototype.renderInfo = function () {
             color: '#ABA9AA',
             width: '100%',
           },
-        }, 'From ShapeShift'),
+        }, t('fromShapeShift')),
         h('div', formatDate(props.time)),
         h('div', {
           style: {
@@ -196,7 +197,7 @@ ShiftListItem.prototype.renderInfo = function () {
       ])
 
     case 'failed':
-      return h('span.error', '(Failed)')
+      return h('span.error', '(' + t('failed') + ')')
     default:
       return ''
   }
diff --git a/ui/app/components/signature-request.js b/ui/app/components/signature-request.js
index c5cc23aa8..7bf34e7b6 100644
--- a/ui/app/components/signature-request.js
+++ b/ui/app/components/signature-request.js
@@ -9,6 +9,7 @@ const classnames = require('classnames')
 const AccountDropdownMini = require('./dropdowns/account-dropdown-mini')
 
 const actions = require('../actions')
+const t = require('../../i18n')
 const { conversionUtil } = require('../conversion-util')
 
 const {
@@ -54,7 +55,7 @@ SignatureRequest.prototype.renderHeader = function () {
 
     h('div.request-signature__header-background'),
 
-    h('div.request-signature__header__text', 'Signature Request'),
+    h('div.request-signature__header__text', t('sigRequest')),
 
     h('div.request-signature__header__tip-container', [
       h('div.request-signature__header__tip'),
@@ -75,7 +76,7 @@ SignatureRequest.prototype.renderAccountDropdown = function () {
 
   return h('div.request-signature__account', [
 
-    h('div.request-signature__account-text', ['Account:']),
+    h('div.request-signature__account-text', [t('account') + ':']),
 
     h(AccountDropdownMini, {
       selectedAccount,
@@ -102,7 +103,7 @@ SignatureRequest.prototype.renderBalance = function () {
 
   return h('div.request-signature__balance', [
 
-    h('div.request-signature__balance-text', ['Balance:']),
+    h('div.request-signature__balance-text', [t('balance')]),
 
     h('div.request-signature__balance-value', `${balanceInEther} ETH`),
 
@@ -136,7 +137,7 @@ SignatureRequest.prototype.renderRequestInfo = function () {
   return h('div.request-signature__request-info', [
 
     h('div.request-signature__headline', [
-      `Your signature is being requested`,
+      t('yourSigRequested'),
     ]),
 
   ])
@@ -154,21 +155,18 @@ SignatureRequest.prototype.msgHexToText = function (hex) {
 
 SignatureRequest.prototype.renderBody = function () {
   let rows
-  let notice = 'You are signing:'
+  let notice = t('youSign') + ':'
 
   const { txData } = this.props
   const { type, msgParams: { data } } = txData
 
   if (type === 'personal_sign') {
-    rows = [{ name: 'Message', value: this.msgHexToText(data) }]
+    rows = [{ name: t('message'), value: this.msgHexToText(data) }]
   } else if (type === 'eth_signTypedData') {
     rows = data
   } else if (type === 'eth_sign') {
-    rows = [{ name: 'Message', value: data }]
-    notice = `Signing this message can have
-    dangerous side effects. Only sign messages from
-    sites you fully trust with your entire account.
-    This dangerous method will be removed in a future version. `
+    rows = [{ name: t('message'), value: data }]
+    notice = t('signNotice')
   }
 
   return h('div.request-signature__body', {}, [
@@ -227,10 +225,10 @@ SignatureRequest.prototype.renderFooter = function () {
   return h('div.request-signature__footer', [
     h('button.request-signature__footer__cancel-button', {
       onClick: cancel,
-    }, 'CANCEL'),
+    }, t('cancel')),
     h('button.request-signature__footer__sign-button', {
       onClick: sign,
-    }, 'SIGN'),
+    }, t('sign')),
   ])
 }
 
@@ -250,4 +248,3 @@ SignatureRequest.prototype.render = function () {
   )
 
 }
-
diff --git a/ui/app/components/token-list.js b/ui/app/components/token-list.js
index 8e06e0f27..01529aeda 100644
--- a/ui/app/components/token-list.js
+++ b/ui/app/components/token-list.js
@@ -5,6 +5,7 @@ const TokenTracker = require('eth-token-tracker')
 const TokenCell = require('./token-cell.js')
 const connect = require('react-redux').connect
 const selectors = require('../selectors')
+const t = require('../../i18n')
 
 function mapStateToProps (state) {
   return {
@@ -42,7 +43,7 @@ TokenList.prototype.render = function () {
   const { tokens, isLoading, error } = state
 
   if (isLoading) {
-    return this.message('Loading Tokens...')
+    return this.message(t('loadingTokens'))
   }
 
   if (error) {
@@ -52,7 +53,7 @@ TokenList.prototype.render = function () {
         padding: '80px',
       },
     }, [
-      'We had trouble loading your token balances. You can view them ',
+      t('troubleTokenBalances'),
       h('span.hotFix', {
         style: {
           color: 'rgba(247, 134, 28, 1)',
@@ -63,7 +64,7 @@ TokenList.prototype.render = function () {
           url: `https://ethplorer.io/address/${userAddress}`,
         })
         },
-      }, 'here'),
+      }, t('here')),
     ])
   }
 
diff --git a/ui/app/components/transaction-list-item.js b/ui/app/components/transaction-list-item.js
index a45cd441a..6d6e79bd5 100644
--- a/ui/app/components/transaction-list-item.js
+++ b/ui/app/components/transaction-list-item.js
@@ -11,6 +11,7 @@ const vreme = new (require('vreme'))()
 const Tooltip = require('./tooltip')
 const numberToBN = require('number-to-bn')
 const actions = require('../actions')
+const t = require('../../i18n')
 
 const TransactionIcon = require('./transaction-list-item-icon')
 const ShiftListItem = require('./shift-list-item')
@@ -85,7 +86,7 @@ TransactionListItem.prototype.render = function () {
         ]),
 
         h(Tooltip, {
-          title: 'Transaction Number',
+          title: t('transactionNumber'),
           position: 'right',
         }, [
           h('span', {
@@ -142,12 +143,12 @@ TransactionListItem.prototype.render = function () {
           style: {
             paddingRight: '2px',
           },
-        }, 'Taking too long?'),
+        }, t('takesTooLong')),
         h('div', {
           style: {
             textDecoration: 'underline',
           },
-        }, 'Retry with a higher gas price here'),
+        }, t('retryWithMoreGas')),
       ]),
     ])
   )
@@ -176,11 +177,11 @@ function recipientField (txParams, transaction, isTx, isMsg) {
   let message
 
   if (isMsg) {
-    message = 'Signature Requested'
+    message = t('sigRequested')
   } else if (txParams.to) {
     message = addressSummary(txParams.to)
   } else {
-    message = 'Contract Deployment'
+    message = t('contractDeployment')
   }
 
   return h('div', {
@@ -203,7 +204,7 @@ function renderErrorOrWarning (transaction) {
 
   // show rejected
   if (status === 'rejected') {
-    return h('span.error', ' (Rejected)')
+    return h('span.error', ' (' + t('rejected') + ')')
   }
   if (transaction.err || transaction.warning) {
     const { err, warning = {} } = transaction
@@ -219,7 +220,7 @@ function renderErrorOrWarning (transaction) {
             title: message,
             position: 'bottom',
           }, [
-            h(`span.error`, ` (Failed)`),
+            h(`span.error`, ` (` + t('failed') + `)`),
           ])
       )
     }
@@ -231,7 +232,7 @@ function renderErrorOrWarning (transaction) {
         title: message,
         position: 'bottom',
       }, [
-        h(`span.warning`, ` (Warning)`),
+        h(`span.warning`, ` (` + t('warning') + `)`),
       ])
     }
   }
diff --git a/ui/app/components/transaction-list.js b/ui/app/components/transaction-list.js
index 69b72614c..07f7a06ae 100644
--- a/ui/app/components/transaction-list.js
+++ b/ui/app/components/transaction-list.js
@@ -3,6 +3,7 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 
 const TransactionListItem = require('./transaction-list-item')
+const t = require('../../i18n')
 
 module.exports = TransactionList
 
@@ -78,10 +79,9 @@ TransactionList.prototype.render = function () {
             style: {
               marginTop: '50px',
             },
-          }, 'No transaction history.'),
+          }, t('noTransactionHistory')),
         ]),
       ]),
     ])
   )
 }
-
diff --git a/ui/app/components/tx-list-item.js b/ui/app/components/tx-list-item.js
index 4c2b77af9..5ff1820a6 100644
--- a/ui/app/components/tx-list-item.js
+++ b/ui/app/components/tx-list-item.js
@@ -14,6 +14,7 @@ const { conversionUtil, multiplyCurrencies } = require('../conversion-util')
 const { calcTokenAmount } = require('../token-util')
 
 const { getCurrentCurrency } = require('../selectors')
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(TxListItem)
 
@@ -74,7 +75,7 @@ TxListItem.prototype.getAddressText = function () {
     default:
       return address
         ? `${address.slice(0, 10)}...${address.slice(-4)}`
-        : 'Contract Deployment'
+        : t('contractDeployment')
   }
 }
 
diff --git a/ui/app/components/tx-list.js b/ui/app/components/tx-list.js
index 782de0266..08e37ebc8 100644
--- a/ui/app/components/tx-list.js
+++ b/ui/app/components/tx-list.js
@@ -10,6 +10,7 @@ const { formatDate } = require('../util')
 const { showConfTxPage } = require('../actions')
 const classnames = require('classnames')
 const { tokenInfoGetter } = require('../token-util')
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(TxList)
 
@@ -56,7 +57,7 @@ TxList.prototype.renderTransaction = function () {
     : [h(
         'div.tx-list-item.tx-list-item--empty',
         { key: 'tx-list-none' },
-        [ 'No Transactions' ],
+        [ t('noTransactions') ],
       )]
 }
 
@@ -110,7 +111,7 @@ TxList.prototype.renderTransactionListItem = function (transaction, conversionRa
 
   if (isUnapproved) {
     opts.onClick = () => showConfTxPage({id: transactionId})
-    opts.transactionStatus = 'Not Started'
+    opts.transactionStatus = t('Not Started')
   } else if (transactionHash) {
     opts.onClick = () => this.view(transactionHash, transactionNetworkId)
   }
diff --git a/ui/app/components/tx-view.js b/ui/app/components/tx-view.js
index b25d8e0f9..96d776270 100644
--- a/ui/app/components/tx-view.js
+++ b/ui/app/components/tx-view.js
@@ -5,6 +5,7 @@ const ethUtil = require('ethereumjs-util')
 const inherits = require('util').inherits
 const actions = require('../actions')
 const selectors = require('../selectors')
+const t = require('../../i18n')
 
 const BalanceComponent = require('./balance-component')
 const TxList = require('./tx-list')
@@ -68,25 +69,25 @@ TxView.prototype.renderButtons = function () {
   return !selectedToken
     ? (
       h('div.flex-row.flex-center.hero-balance-buttons', [
-        h('button.btn-clear.hero-balance-button', {
+        h('button.btn-clear.hero-balance-button.allcaps', {
           onClick: () => showModal({
             name: 'DEPOSIT_ETHER',
           }),
-        }, 'DEPOSIT'),
+        }, t('deposit')),
 
-        h('button.btn-clear.hero-balance-button', {
+        h('button.btn-clear.hero-balance-button.allcaps', {
           style: {
             marginLeft: '0.8em',
           },
           onClick: showSendPage,
-        }, 'SEND'),
+        }, t('send')),
       ])
     )
     : (
       h('div.flex-row.flex-center.hero-balance-buttons', [
         h('button.btn-clear.hero-balance-button', {
           onClick: showSendTokenPage,
-        }, 'SEND'),
+        }, t('send')),
       ])
     )
 }
@@ -100,9 +101,10 @@ TxView.prototype.render = function () {
 
     h('div.flex-row.phone-visible', {
       style: {
-        margin: '1.5em 1.2em 0',
         justifyContent: 'space-between',
         alignItems: 'center',
+        flex: '0 0 auto',
+        margin: '10px',
       },
     }, [
 
@@ -110,11 +112,10 @@ TxView.prototype.render = function () {
         style: {
           fontSize: '1.3em',
           cursor: 'pointer',
+          padding: '10px',
         },
-        onClick: () => {
-          this.props.sidebarOpen ? this.props.hideSidebar() : this.props.showSidebar()
-        },
-      }, []),
+        onClick: () => this.props.sidebarOpen ? this.props.hideSidebar() : this.props.showSidebar(),
+      }),
 
       h('.identicon-wrapper.select-none', {
         style: {
diff --git a/ui/app/components/wallet-view.js b/ui/app/components/wallet-view.js
index 34f27ca2a..18452205c 100644
--- a/ui/app/components/wallet-view.js
+++ b/ui/app/components/wallet-view.js
@@ -11,6 +11,7 @@ const actions = require('../actions')
 const BalanceComponent = require('./balance-component')
 const TokenList = require('./token-list')
 const selectors = require('../selectors')
+const t = require('../../i18n')
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(WalletView)
 
@@ -116,7 +117,7 @@ WalletView.prototype.render = function () {
         onClick: hideSidebar,
       }),
 
-      h('div.wallet-view__keyring-label', isLoose ? 'IMPORTED' : ''),
+      h('div.wallet-view__keyring-label.allcaps', isLoose ? t('imported') : ''),
 
       h('div.flex-column.flex-center.wallet-view__name-container', {
         style: { margin: '0 auto' },
@@ -133,13 +134,13 @@ WalletView.prototype.render = function () {
           selectedIdentity.name,
         ]),
 
-        h('button.btn-clear.wallet-view__details-button', 'DETAILS'),
+        h('button.btn-clear.wallet-view__details-button.allcaps', t('details')),
       ]),
     ]),
 
     h(Tooltip, {
       position: 'bottom',
-      title: this.state.hasCopied ? 'Copied!' : 'Copy to clipboard',
+      title: this.state.hasCopied ? t('copiedExclamation') : t('copyToClipboard'),
       wrapperClassName: 'wallet-view__tooltip',
     }, [
       h('button.wallet-view__address', {
@@ -172,7 +173,7 @@ WalletView.prototype.render = function () {
         showAddTokenPage()
         hideSidebar()
       },
-    }, 'Add Token'),
+    }, t('addToken')),
   ])
 }
 
diff --git a/ui/app/css/itcss/components/hero-balance.scss b/ui/app/css/itcss/components/hero-balance.scss
index 4af0c2c55..a3f051361 100644
--- a/ui/app/css/itcss/components/hero-balance.scss
+++ b/ui/app/css/itcss/components/hero-balance.scss
@@ -5,9 +5,6 @@
     flex-direction: column;
     justify-content: flex-start;
     align-items: center;
-    margin: .3em .9em 0;
-    // height: 80vh;
-    // max-height: 225px;
     flex: 0 0 auto;
   }
 
diff --git a/ui/app/css/itcss/components/index.scss b/ui/app/css/itcss/components/index.scss
index 0219f9fb2..f107b7aca 100644
--- a/ui/app/css/itcss/components/index.scss
+++ b/ui/app/css/itcss/components/index.scss
@@ -55,3 +55,6 @@
 @import './new-account.scss';
 
 @import './tooltip.scss';
+
+@import './welcome-screen.scss';
+
diff --git a/ui/app/css/itcss/components/modal.scss b/ui/app/css/itcss/components/modal.scss
index 53e3bff00..6c4106f8b 100644
--- a/ui/app/css/itcss/components/modal.scss
+++ b/ui/app/css/itcss/components/modal.scss
@@ -641,32 +641,40 @@
 
   &__buy-rows {
     width: 100%;
-    padding: 33px;
-    padding-top: 0px;
+    padding: 0 30px;
     display: flex;
     flex-flow: column nowrap;
     flex: 1;
-    overflow-y: auto;
 
     @media screen and (max-width: 575px) {
       height: 0;
     }
   }
 
+  &__logo {
+    height: 60px;
+    background-repeat: no-repeat;
+    background-size: contain;
+    background-position: center;
+    width: 100%;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+  }
+
   &__buy-row {
     border-bottom: 1px solid $alto;
     display: flex;
     justify-content: space-between;
     align-items: center;
-    flex: 1;
-    padding-bottom: 25px;
-    padding-top: 25px;
+    flex: 1 0 auto;
+    padding: 30px 0 20px;
+    min-height: 170px;
 
     @media screen and (max-width: 575px) {
-      min-height: 360px;
+      min-height: 270px;
       flex-flow: column;
-      justify-content: center;
-      padding-top: 45px;
+      justify-content: flex-start;
     }
 
     &__back {
@@ -692,30 +700,35 @@
       }
     }
 
-    &__logo {
+    &__logo-container {
       display: flex;
       justify-content: center;
-      flex: 0.3 1 auto;
+      flex: 0 0 auto;
+      padding: 0 20px;
 
-      @media screen and (min-width: 575px) {
-        min-width: 215px;
+      @media screen and (min-width: 576px) {
+        width: 12rem;
+      }
+
+      @media screen and (max-width: 575px) {
+        width: 100%;
+        max-height: 6rem;
+        padding-bottom: 20px;
       }
     }
 
     &__coinbase-logo {
       height: 40px;
-      width: 180px;
     }
 
     &__shapeshift-logo {
       height: 60px;
-      width: 174px;
     }
 
     &__eth-logo {
       border-radius: 50%;
-      width: 68px;
       height: 68px;
+      width: 68px;
       border: 3px solid $tundora;
       z-index: 25;
       padding: 4px;
@@ -728,10 +741,11 @@
 
     &__description {
       color: $cape-cod;
-      flex: 0.5 1 auto;
+      padding-bottom: 20px;
+      align-self: flex-start;
 
       @media screen and (min-width: 575px) {
-        min-width: 315px;
+        width: 15rem;
       }
 
       &__title {
diff --git a/ui/app/css/itcss/components/new-account.scss b/ui/app/css/itcss/components/new-account.scss
index c6c254ede..c2cefe4ad 100644
--- a/ui/app/css/itcss/components/new-account.scss
+++ b/ui/app/css/itcss/components/new-account.scss
@@ -161,15 +161,14 @@
   display: flex;
   flex-flow: column;
   align-items: center;
+  padding: 30px 30px 0;
 
   &__input-label {
     color: $scorpion;
     font-family: Roboto;
     font-size: 16px;
     line-height: 21px;
-    margin-top: 29px;
     align-self: flex-start;
-    margin-left: 30px;
   }
 
   &__input {
@@ -190,7 +189,7 @@
     margin-top: 39px;
     display: flex;
     width: 100%;
-    justify-content: space-evenly;
+    justify-content: space-between;
   }
 
   &__button-cancel,
diff --git a/ui/app/css/itcss/components/newui-sections.scss b/ui/app/css/itcss/components/newui-sections.scss
index ecf5e1036..5cdda5e6c 100644
--- a/ui/app/css/itcss/components/newui-sections.scss
+++ b/ui/app/css/itcss/components/newui-sections.scss
@@ -51,6 +51,7 @@ $wallet-view-bg: $alabaster;
   cursor: pointer;
   display: flex;
   justify-content: center;
+  padding: 10px;
 }
 
 // wallet view and sidebar
@@ -291,7 +292,6 @@ $wallet-view-bg: $alabaster;
   padding-right: 6px;
 }
 
-
 // first time
 .first-view-main {
   display: flex;
@@ -313,4 +313,23 @@ $wallet-view-bg: $alabaster;
   @media screen and (min-width: 1281px) {
     width: 62vw;
   }
-}
\ No newline at end of file
+}
+
+.unlock-screen-container {
+  z-index: $main-container-z-index;
+  font-family: Roboto;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  flex: 1 0 auto;
+  background: #f7f7f7;
+  width: 100%;
+}
+
+.unlock-screen {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  flex: 1 0 auto;
+}
diff --git a/ui/app/css/itcss/components/welcome-screen.scss b/ui/app/css/itcss/components/welcome-screen.scss
new file mode 100644
index 000000000..bfd174ad9
--- /dev/null
+++ b/ui/app/css/itcss/components/welcome-screen.scss
@@ -0,0 +1,59 @@
+.welcome-screen {
+    display: flex;
+    flex-flow: column;
+    justify-content: center;
+    align-items: center;
+    font-family: Roboto;
+    font-weight: 400;
+    width: 100%;
+    flex: 1 0 auto;
+    padding: 70px 0;
+    background: $white;
+
+    @media screen and (max-width: 575px) {
+      padding: 0;
+    }
+
+    &__info {
+        display: flex;
+        flex-flow: column;
+        width: 100%;
+        height: 100%;
+        align-items: center;
+
+        &__header {
+            font-size: 1.65em;
+            margin-bottom: 14px;
+
+            @media screen and (max-width: 575px) {
+              font-size: 1.5em;
+            }
+        }
+
+        &__copy {
+            font-size: 1em;
+            width: 400px;
+            max-width: 90vw;
+            text-align: center;
+
+            @media screen and (max-width: 575px) {
+              font-size: 0.9em;
+            }
+        }
+    }
+
+    &__button {
+      height: 54px;
+      width: 198px;
+      box-shadow: 0 2px 4px 0 rgba(0,0,0,0.14);
+      color: #FFFFFF;
+      font-size: 20px;
+      font-weight: 500;
+      line-height: 26px;
+      text-align: center;
+      text-transform: uppercase;
+      margin: 35px 0 14px;
+      transition: 200ms ease-in-out;
+      background-color: rgba(247, 134, 28, 0.9);
+    }
+}
diff --git a/ui/app/css/itcss/generic/index.scss b/ui/app/css/itcss/generic/index.scss
index 9b3d7475b..0077cb661 100644
--- a/ui/app/css/itcss/generic/index.scss
+++ b/ui/app/css/itcss/generic/index.scss
@@ -70,6 +70,10 @@ input.large-input {
   height: 36px;
 }
 
+.allcaps {
+  text-transform: uppercase;
+}
+
 .page-container {
   width: 400px;
   background-color: $white;
@@ -77,25 +81,30 @@ input.large-input {
   z-index: 25;
   display: flex;
   flex-flow: column;
+  border-radius: 7px;
+  height: 100%;
 
   &__header {
     display: flex;
     flex-flow: column;
     border-bottom: 1px solid $geyser;
-    padding: 1.15rem 0.95rem;
+    padding: 20px;
     flex: 0 0 auto;
-    background: $alabaster;
     position: relative;
   }
 
-  &__header-close::after {
-    content: '\00D7';
-    font-size: 40px;
+  &__header-close {
     color: $tundora;
     position: absolute;
-    top: 21.5px;
-    right: 28.5px;
+    top: 20px;
+    right: 20px;
     cursor: pointer;
+    overflow: hidden;
+
+    &::after {
+      content: '\00D7';
+      font-size: 40px;
+    }
   }
 
   &__footer {
@@ -114,7 +123,7 @@ input.large-input {
 
   &__footer-button {
     width: 165px;
-    height: 60px;
+    height: 55px;
     font-size: 1rem;
     text-transform: uppercase;
     margin-right: 1rem;
@@ -130,7 +139,7 @@ input.large-input {
     font-family: Roboto;
     font-size: 2rem;
     font-weight: 500;
-    line-height: initial;
+    line-height: 2rem;
   }
 
   &__subtitle {
@@ -174,6 +183,15 @@ input.large-input {
       }
     }
   }
+
+  &--full-width {
+    width: initial;
+  }
+
+  &__content {
+    height: 100%;
+    overflow-y: auto;
+  }
 }
 
 @media screen and (max-width: 250px) {
@@ -200,5 +218,6 @@ input.large-input {
     width: 100%;
     overflow-y: auto;
     background-color: $white;
+    border-radius: 0;
   }
 }
diff --git a/ui/app/first-time/init-menu.js b/ui/app/first-time/init-menu.js
index 0e08da8db..370fdd5b7 100644
--- a/ui/app/first-time/init-menu.js
+++ b/ui/app/first-time/init-menu.js
@@ -6,6 +6,7 @@ const h = require('react-hyperscript')
 const Mascot = require('../components/mascot')
 const actions = require('../actions')
 const Tooltip = require('../components/tooltip')
+const t = require('../../i18n')
 const getCaretCoordinates = require('textarea-caret')
 const environmentType = require('../../../app/scripts/lib/environment-type')
 const { OLD_UI_NETWORK_TYPE } = require('../../../app/scripts/config').enums
@@ -59,7 +60,7 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
           color: '#7F8082',
           marginBottom: 10,
         },
-      }, 'MetaMask'),
+      }, t('appName')),
 
 
       h('div', [
@@ -69,10 +70,10 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
             color: '#7F8082',
             display: 'inline',
           },
-        }, 'Encrypt your new DEN'),
+        }, t('encryptNewDen')),
 
         h(Tooltip, {
-          title: 'Your DEN is your password-encrypted storage within MetaMask.',
+          title: t('denExplainer'),
         }, [
           h('i.fa.fa-question-circle.pointer', {
             style: {
@@ -92,7 +93,7 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
       h('input.large-input.letter-spacey', {
         type: 'password',
         id: 'password-box',
-        placeholder: 'New Password (min 8 chars)',
+        placeholder: t('newPassword'),
         onInput: this.inputChanged.bind(this),
         style: {
           width: 260,
@@ -104,7 +105,7 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
       h('input.large-input.letter-spacey', {
         type: 'password',
         id: 'password-box-confirm',
-        placeholder: 'Confirm Password',
+        placeholder: t('confirmPassword'),
         onKeyPress: this.createVaultOnEnter.bind(this),
         onInput: this.inputChanged.bind(this),
         style: {
@@ -119,7 +120,7 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
         style: {
           margin: 12,
         },
-      }, 'Create'),
+      }, t('createDen')),
 
       h('.flex-row.flex-center.flex-grow', [
         h('p.pointer', {
@@ -129,7 +130,7 @@ InitializeMenuScreen.prototype.renderMenu = function (state) {
             color: 'rgb(247, 134, 28)',
             textDecoration: 'underline',
           },
-        }, 'Import Existing DEN'),
+        }, t('importDen')),
       ]),
 
       h('.flex-row.flex-center.flex-grow', [
@@ -178,12 +179,12 @@ InitializeMenuScreen.prototype.createNewVaultAndKeychain = function () {
   var passwordConfirm = passwordConfirmBox.value
 
   if (password.length < 8) {
-    this.warning = 'password not long enough'
+    this.warning = t('passwordShort')
     this.props.dispatch(actions.displayWarning(this.warning))
     return
   }
   if (password !== passwordConfirm) {
-    this.warning = 'passwords don\'t match'
+    this.warning = t('passwordMismatch')
     this.props.dispatch(actions.displayWarning(this.warning))
     return
   }
diff --git a/ui/app/keychains/hd/restore-vault.js b/ui/app/keychains/hd/restore-vault.js
index d1761f17d..685094854 100644
--- a/ui/app/keychains/hd/restore-vault.js
+++ b/ui/app/keychains/hd/restore-vault.js
@@ -144,6 +144,19 @@ RestoreVaultScreen.prototype.createNewVaultAndRestore = function () {
   // check seed
   var seedBox = document.querySelector('textarea.twelve-word-phrase')
   var seed = seedBox.value.trim()
+
+  // true if the string has more than a space between words.
+  if (seed.split('  ').length > 1) {
+    this.warning = 'there can only a space between words'
+    this.props.dispatch(actions.displayWarning(this.warning))
+    return
+  }
+  // true if seed contains a character that is not between a-z or a space
+  if (!seed.match(/^[a-z ]+$/)) {
+    this.warning = 'seed words only have lowercase characters'
+    this.props.dispatch(actions.displayWarning(this.warning))
+    return
+  }
   if (seed.split(' ').length !== 12) {
     this.warning = 'seed phrases are 12 words long'
     this.props.dispatch(actions.displayWarning(this.warning))
diff --git a/ui/app/main-container.js b/ui/app/main-container.js
index 292abcc3d..eed4bd164 100644
--- a/ui/app/main-container.js
+++ b/ui/app/main-container.js
@@ -32,19 +32,7 @@ MainContainer.prototype.render = function () {
         return h(Settings, {key: 'config'})
       default:
         log.debug('rendering locked screen')
-        contents = {
-          component: UnlockScreen,
-          style: {
-            boxShadow: 'none',
-            display: 'flex',
-            alignItems: 'center',
-            justifyContent: 'center',
-            background: '#F7F7F7',
-            // must force 100%, because lock screen is full-width
-            width: '100%',
-          },
-          key: 'locked',
-        }
+        return h('.unlock-screen-container', {}, h(UnlockScreen, { key: 'locked' }))
     }
   }
 
diff --git a/ui/app/reducers/metamask.js b/ui/app/reducers/metamask.js
index 2c93172cc..e6e02d057 100644
--- a/ui/app/reducers/metamask.js
+++ b/ui/app/reducers/metamask.js
@@ -45,6 +45,7 @@ function reduceMetamask (state, action) {
     featureFlags: {},
     networkEndpointType: OLD_UI_NETWORK_TYPE,
     isRevealingSeedWords: false,
+    welcomeScreenSeen: false,
   }, state.metamask)
 
   switch (action.type) {
@@ -349,6 +350,11 @@ function reduceMetamask (state, action) {
         networkEndpointType: action.value,
       })
 
+    case actions.CLOSE_WELCOME_SCREEN:
+      return extend(metamaskState, {
+        welcomeScreenSeen: true,
+      })
+
     default:
       return metamaskState
 
diff --git a/ui/app/unlock.js b/ui/app/unlock.js
index cafe3a859..ac97d04d0 100644
--- a/ui/app/unlock.js
+++ b/ui/app/unlock.js
@@ -5,6 +5,7 @@ const connect = require('react-redux').connect
 const actions = require('./actions')
 const getCaretCoordinates = require('textarea-caret')
 const EventEmitter = require('events').EventEmitter
+const t = require('../i18n')
 const { OLD_UI_NETWORK_TYPE } = require('../../app/scripts/config').enums
 const environmentType = require('../../app/scripts/lib/environment-type')
 
@@ -28,83 +29,72 @@ UnlockScreen.prototype.render = function () {
   const state = this.props
   const warning = state.warning
   return (
-    h('.flex-column', {
-      style: {
-        width: 'inherit',
-      },
-    }, [
-      h('.unlock-screen.flex-column.flex-center.flex-grow', [
-
-        h(Mascot, {
-          animationEventEmitter: this.animationEventEmitter,
-        }),
-
-        h('h1', {
-          style: {
-            fontSize: '1.4em',
-            textTransform: 'uppercase',
-            color: '#7F8082',
-          },
-        }, 'MetaMask'),
-
-        h('input.large-input', {
-          type: 'password',
-          id: 'password-box',
-          placeholder: 'enter password',
-          style: {
-            background: 'white',
-          },
-          onKeyPress: this.onKeyPress.bind(this),
-          onInput: this.inputChanged.bind(this),
-        }),
-
-        h('.error', {
-          style: {
-            display: warning ? 'block' : 'none',
-            padding: '0 20px',
-            textAlign: 'center',
-          },
-        }, warning),
-
-        h('button.primary.cursor-pointer', {
-          onClick: this.onSubmit.bind(this),
-          style: {
-            margin: 10,
-          },
-        }, 'Log In'),
-      ]),
-
-      h('.flex-row.flex-center.flex-grow', [
-        h('p.pointer', {
-          onClick: () => {
-            this.props.dispatch(actions.markPasswordForgotten())
-            if (environmentType() === 'popup') {
-              global.platform.openExtensionInBrowser()
-            }
-          },
-          style: {
-            fontSize: '0.8em',
-            color: 'rgb(247, 134, 28)',
-            textDecoration: 'underline',
-          },
-        }, 'Restore from seed phrase'),
-      ]),
-
-      h('.flex-row.flex-center.flex-grow', [
-        h('p.pointer', {
-          onClick: () => {
-            this.props.dispatch(actions.setFeatureFlag('betaUI', false, 'OLD_UI_NOTIFICATION_MODAL'))
-              .then(() => this.props.dispatch(actions.setNetworkEndpoints(OLD_UI_NETWORK_TYPE)))
-          },
-          style: {
-            fontSize: '0.8em',
-            color: '#aeaeae',
-            textDecoration: 'underline',
-            marginTop: '32px',
-          },
-        }, 'Use classic interface'),
-      ]),
-
+    h('.unlock-screen', [
+
+      h(Mascot, {
+        animationEventEmitter: this.animationEventEmitter,
+      }),
+
+      h('h1', {
+        style: {
+          fontSize: '1.4em',
+          textTransform: 'uppercase',
+          color: '#7F8082',
+        },
+      }, t('appName')),
+
+      h('input.large-input', {
+        type: 'password',
+        id: 'password-box',
+        placeholder: 'enter password',
+        style: {
+          background: 'white',
+        },
+        onKeyPress: this.onKeyPress.bind(this),
+        onInput: this.inputChanged.bind(this),
+      }),
+
+      h('.error', {
+        style: {
+          display: warning ? 'block' : 'none',
+          padding: '0 20px',
+          textAlign: 'center',
+        },
+      }, warning),
+
+      h('button.primary.cursor-pointer', {
+        onClick: this.onSubmit.bind(this),
+        style: {
+          margin: 10,
+        },
+      }, 'Log In'),
+
+      h('p.pointer', {
+        onClick: () => {
+          this.props.dispatch(actions.markPasswordForgotten())
+          if (environmentType() === 'popup') {
+            global.platform.openExtensionInBrowser()
+          }
+        },
+        style: {
+          fontSize: '0.8em',
+          color: 'rgb(247, 134, 28)',
+          textDecoration: 'underline',
+        },
+      }, 'Restore from seed phrase'),
+
+      h('p.pointer', {
+        onClick: () => {
+          this.props.dispatch(actions.setFeatureFlag('betaUI', false, 'OLD_UI_NOTIFICATION_MODAL'))
+            .then(() => this.props.dispatch(actions.setNetworkEndpoints(OLD_UI_NETWORK_TYPE)))
+        },
+        style: {
+          fontSize: '0.8em',
+          color: '#aeaeae',
+          textDecoration: 'underline',
+          marginTop: '32px',
+        },
+      }, 'Use classic interface'),
     ])
   )
 }
diff --git a/ui/app/welcome-screen.js b/ui/app/welcome-screen.js
new file mode 100644
index 000000000..cdbb6dba8
--- /dev/null
+++ b/ui/app/welcome-screen.js
@@ -0,0 +1,56 @@
+import EventEmitter from 'events'
+import h from 'react-hyperscript'
+import { Component } from 'react'
+import PropTypes from 'prop-types'
+import {connect} from 'react-redux'
+import {closeWelcomeScreen} from './actions'
+import Mascot from './components/mascot'
+
+class WelcomeScreen extends Component {
+  static propTypes = {
+    closeWelcomeScreen: PropTypes.func.isRequired,
+  }
+
+  constructor(props) {
+    super(props)
+    this.animationEventEmitter = new EventEmitter()
+  }
+
+  initiateAccountCreation = () => {
+    this.props.closeWelcomeScreen()
+  }
+
+  render () {
+    return h('div.welcome-screen', [
+
+        h('div.welcome-screen__info', [
+
+          h(Mascot, {
+            animationEventEmitter: this.animationEventEmitter,
+            width: '225',
+            height: '225',
+          }),
+
+          h('div.welcome-screen__info__header', 'Welcome to MetaMask Beta'),
+
+          h('div.welcome-screen__info__copy', 'MetaMask is a secure identity vault for Ethereum.'),
+
+          h('div.welcome-screen__info__copy', `It allows you to hold ether & tokens,
+            and serves as your bridge to decentralized applications.`),
+
+          h('button.welcome-screen__button', {
+            onClick: this.initiateAccountCreation,
+          }, 'Continue'),
+
+        ]),
+
+    ])
+  }
+}
+
+export default connect(
+  null,
+  dispatch => ({
+    closeWelcomeScreen: () => dispatch(closeWelcomeScreen()),
+  })
+)(WelcomeScreen)
diff --git a/ui/i18n.js b/ui/i18n.js
new file mode 100644
index 000000000..abfece426
--- /dev/null
+++ b/ui/i18n.js
@@ -0,0 +1,33 @@
+
+// cross-browser connection to extension i18n API
+
+const chrome = chrome || null
+const browser = browser || null
+const extension = require('extensionizer')
+var log = require('loglevel')
+window.log = log
+let getMessage
+
+if (extension.i18n && extension.i18n.getMessage) {
+  getMessage = extension.i18n.getMessage
+} else {
+  // fallback function
+  log.warn('browser.i18n API not available, calling back to english.')
+  const msg = require('../app/_locales/en/messages.json')
+  getMessage = function (key, substitutions) {
+    if (!msg[key]) {
+      log.error(key)
+      throw new Error(key)
+    }
+    let phrase = msg[key].message
+    if (substitutions && substitutions.length) {
+      phrase = phrase.replace(/\$1/g, substitutions[0])
+      if (substitutions.length > 1) {
+        phrase = phrase.replace(/\$2/g, substitutions[1])
+      }
+    }
+    return phrase
+  }
+}
+
+module.exports = getMessage