diff --git a/app/assets/javascripts/components/components/column_back_button.jsx b/app/assets/javascripts/components/components/column_back_button.jsx
index c3ed8f8d0..2f499c749 100644
--- a/app/assets/javascripts/components/components/column_back_button.jsx
+++ b/app/assets/javascripts/components/components/column_back_button.jsx
@@ -1,4 +1,5 @@
 import PureRenderMixin from 'react-addons-pure-render-mixin';
+import { FormattedMessage } from 'react-intl';
 
 const outerStyle = {
   padding: '15px',
@@ -30,7 +31,7 @@ const ColumnBackButton = React.createClass({
     return (
       <div onClick={this.handleClick} style={outerStyle} className='column-back-button'>
         <i className='fa fa-fw fa-chevron-left' style={iconStyle} />
-        Back
+        <FormattedMessage id='column_back_button.label' defaultMessage='Back' />
       </div>
     );
   }
diff --git a/app/assets/javascripts/components/components/lightbox.jsx b/app/assets/javascripts/components/components/lightbox.jsx
index aef0bac14..537bab954 100644
--- a/app/assets/javascripts/components/components/lightbox.jsx
+++ b/app/assets/javascripts/components/components/lightbox.jsx
@@ -1,6 +1,7 @@
 import PureRenderMixin from 'react-addons-pure-render-mixin';
 import IconButton from './icon_button';
 import { Motion, spring } from 'react-motion';
+import { injectIntl } from 'react-intl';
 
 const overlayStyle = {
   position: 'fixed',
@@ -40,14 +41,14 @@ const Lightbox = React.createClass({
   mixins: [PureRenderMixin],
 
   render () {
-    const { isVisible, onOverlayClicked, onCloseClicked, children } = this.props;
+    const { intl, isVisible, onOverlayClicked, onCloseClicked, children } = this.props;
 
     return (
       <div className='lightbox' style={{...overlayStyle, display: isVisible ? 'flex' : 'none'}} onClick={onOverlayClicked}>
         <Motion defaultStyle={{ y: -200 }} style={{ y: spring(isVisible ? 0 : -200) }}>
           {({ y }) =>
             <div style={{...dialogStyle, transform: `translateY(${y}px)`}}>
-              <IconButton title='Close' icon='times' onClick={onCloseClicked} size={16} style={closeStyle} />
+              <IconButton title={intl.formatMessage({ id: 'lightbox.close', defaultMessage: 'Close' })} icon='times' onClick={onCloseClicked} size={16} style={closeStyle} />
               {children}
             </div>
           }
@@ -58,4 +59,4 @@ const Lightbox = React.createClass({
 
 });
 
-export default Lightbox;
+export default injectIntl(Lightbox);
diff --git a/app/assets/javascripts/components/components/loading_indicator.jsx b/app/assets/javascripts/components/components/loading_indicator.jsx
index 7b738ac32..fd5acae84 100644
--- a/app/assets/javascripts/components/components/loading_indicator.jsx
+++ b/app/assets/javascripts/components/components/loading_indicator.jsx
@@ -1,3 +1,5 @@
+import { FormattedMessage } from 'react-intl';
+
 const LoadingIndicator = () => {
   const style = {
     textAlign: 'center',
@@ -7,7 +9,7 @@ const LoadingIndicator = () => {
     paddingTop: '120px'
   };
 
-  return <div style={style}>Loading...</div>;
+  return <div style={style}><FormattedMessage id='loading_indicator.label' defaultMessage='Loading...' /></div>;
 };
 
 export default LoadingIndicator;
diff --git a/app/assets/javascripts/components/components/relative_timestamp.jsx b/app/assets/javascripts/components/components/relative_timestamp.jsx
index 1de44bb95..96f99cca8 100644
--- a/app/assets/javascripts/components/components/relative_timestamp.jsx
+++ b/app/assets/javascripts/components/components/relative_timestamp.jsx
@@ -1,52 +1,24 @@
-import moment          from 'moment';
-import PureRenderMixin from 'react-addons-pure-render-mixin';
+import {
+  FormattedMessage,
+  FormattedDate,
+  FormattedRelative
+} from 'react-intl';
 
-moment.updateLocale('en', {
-  relativeTime : {
-    future: "in %s",
-    past:   "%s",
-    s:  "%ds",
-    m:  "1m",
-    mm: "%dm",
-    h:  "1h",
-    hh: "%dh",
-    d:  "1d",
-    dd: "%dd",
-    M:  "1mo",
-    MM: "%dmo",
-    y:  "1y",
-    yy: "%dy"
+const RelativeTimestamp = ({ timestamp, now }) => {
+  const diff = (new Date(now)) - (new Date(timestamp));
+
+  if (diff < 0) {
+    return <FormattedMessage id='relative_time.just_now' defaultMessage='Just now' />
+  } else if (diff > (3600 * 24 * 7 * 1000)) {
+    return <FormattedDate value={timestamp} />
+  } else {
+    return <FormattedRelative value={timestamp} initialNow={now} updateInterval={0} />
   }
-});
+};
 
-const RelativeTimestamp = React.createClass({
-
-  propTypes: {
-    timestamp: React.PropTypes.string.isRequired,
-    now: React.PropTypes.any
-  },
-
-  mixins: [PureRenderMixin],
-
-  render () {
-    const timestamp = moment(this.props.timestamp);
-    const now       = this.props.now;
-
-    let string = '';
-
-    if (timestamp.isAfter(now)) {
-      string = 'Just now';
-    } else {
-      string = timestamp.from(now);
-    }
-
-    return (
-      <span>
-        {string}
-      </span>
-    );
-  }
-
-});
+RelativeTimestamp.propTypes = {
+  timestamp: React.PropTypes.string.isRequired,
+  now: React.PropTypes.any
+};
 
 export default RelativeTimestamp;
diff --git a/app/assets/javascripts/components/components/status.jsx b/app/assets/javascripts/components/components/status.jsx
index ff14ba4f1..8077308c4 100644
--- a/app/assets/javascripts/components/components/status.jsx
+++ b/app/assets/javascripts/components/components/status.jsx
@@ -1,12 +1,13 @@
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import Avatar             from './avatar';
-import RelativeTimestamp  from './relative_timestamp';
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
-import DisplayName        from './display_name';
-import MediaGallery       from './media_gallery';
-import VideoPlayer        from './video_player';
-import StatusContent      from './status_content';
-import StatusActionBar    from './status_action_bar';
+import Avatar from './avatar';
+import RelativeTimestamp from './relative_timestamp';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import DisplayName from './display_name';
+import MediaGallery from './media_gallery';
+import VideoPlayer from './video_player';
+import StatusContent from './status_content';
+import StatusActionBar from './status_action_bar';
+import { FormattedMessage } from 'react-intl';
 
 const Status = React.createClass({
 
@@ -59,7 +60,7 @@ const Status = React.createClass({
         <div style={{ cursor: 'default' }}>
           <div style={{ marginLeft: '68px', color: '#616b86', padding: '8px 0', paddingBottom: '2px', fontSize: '14px', position: 'relative' }}>
             <div style={{ position: 'absolute', 'left': '-26px'}}><i className='fa fa-fw fa-retweet'></i></div>
-            <a onClick={this.handleAccountClick.bind(this, status.getIn(['account', 'id']))} href={status.getIn(['account', 'url'])} className='status__display-name'><strong style={{ color: '#616b86'}}>{displayName}</strong></a> reblogged
+            <FormattedMessage id='status.reblogged_by' defaultMessage='{name} reblogged' values={{ name: <a onClick={this.handleAccountClick.bind(this, status.getIn(['account', 'id']))} href={status.getIn(['account', 'url'])} className='status__display-name'><strong style={{ color: '#616b86'}}>{displayName}</strong></a> }} />
           </div>
 
           <Status {...other} wrapped={true} status={status.get('reblog')} />
diff --git a/app/assets/javascripts/components/components/status_action_bar.jsx b/app/assets/javascripts/components/components/status_action_bar.jsx
index e80ce824f..8883d0806 100644
--- a/app/assets/javascripts/components/components/status_action_bar.jsx
+++ b/app/assets/javascripts/components/components/status_action_bar.jsx
@@ -1,7 +1,8 @@
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
-import IconButton         from './icon_button';
-import DropdownMenu       from './dropdown_menu';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import IconButton from './icon_button';
+import DropdownMenu from './dropdown_menu';
+import { injectIntl } from 'react-intl';
 
 const StatusActionBar = React.createClass({
   propTypes: {
@@ -36,20 +37,20 @@ const StatusActionBar = React.createClass({
   },
 
   render () {
-    const { status, me } = this.props;
+    const { status, me, intl } = this.props;
     let menu = [];
 
     if (status.getIn(['account', 'id']) === me) {
-      menu.push({ text: 'Delete', action: this.handleDeleteClick });
+      menu.push({ text: intl.formatMessage({ id: 'status.delete', defaultMessage: 'Delete' }), action: this.handleDeleteClick });
     } else {
-      menu.push({ text: 'Mention', action: this.handleMentionClick });
+      menu.push({ text: intl.formatMessage({ id: 'status.mention', defaultMessage: 'Mention' }), action: this.handleMentionClick });
     }
 
     return (
       <div style={{ marginTop: '10px', overflow: 'hidden' }}>
-        <div style={{ float: 'left', marginRight: '18px'}}><IconButton title='Reply' icon='reply' onClick={this.handleReplyClick} /></div>
-        <div style={{ float: 'left', marginRight: '18px'}}><IconButton active={status.get('reblogged')} title='Reblog' icon='retweet' onClick={this.handleReblogClick} /></div>
-        <div style={{ float: 'left', marginRight: '18px'}}><IconButton active={status.get('favourited')} title='Favourite' icon='star' onClick={this.handleFavouriteClick} activeStyle={{ color: '#ca8f04' }} /></div>
+        <div style={{ float: 'left', marginRight: '18px'}}><IconButton title={intl.formatMessage({ id: 'status.reply', defaultMessage: 'Reply' })} icon='reply' onClick={this.handleReplyClick} /></div>
+        <div style={{ float: 'left', marginRight: '18px'}}><IconButton active={status.get('reblogged')} title={intl.formatMessage({ id: 'status.reblog', defaultMessage: 'Reblog' })} icon='retweet' onClick={this.handleReblogClick} /></div>
+        <div style={{ float: 'left', marginRight: '18px'}}><IconButton active={status.get('favourited')} title={intl.formatMessage({ id: 'status.favourite', defaultMessage: 'Favourite' })} icon='star' onClick={this.handleFavouriteClick} activeStyle={{ color: '#ca8f04' }} /></div>
 
         <div style={{ width: '18px', height: '18px', float: 'left' }}>
           <DropdownMenu items={menu} icon='ellipsis-h' size={18} />
@@ -60,4 +61,4 @@ const StatusActionBar = React.createClass({
 
 });
 
-export default StatusActionBar;
+export default injectIntl(StatusActionBar);
diff --git a/app/assets/javascripts/components/components/status_list.jsx b/app/assets/javascripts/components/components/status_list.jsx
index 58aa94cc0..d5d69c989 100644
--- a/app/assets/javascripts/components/components/status_list.jsx
+++ b/app/assets/javascripts/components/components/status_list.jsx
@@ -3,7 +3,6 @@ import ImmutablePropTypes  from 'react-immutable-proptypes';
 import PureRenderMixin     from 'react-addons-pure-render-mixin';
 import { ScrollContainer } from 'react-router-scroll';
 import StatusContainer     from '../containers/status_container';
-import moment              from 'moment';
 
 const StatusList = React.createClass({
 
@@ -21,14 +20,14 @@ const StatusList = React.createClass({
 
   getInitialState () {
     return {
-      now: moment()
+      now: new Date()
     };
   },
 
   mixins: [PureRenderMixin],
 
   componentDidMount () {
-    this._interval = setInterval(() => this.setState({ now: moment() }), 60000);
+    this._interval = setInterval(() => this.setState({ now: new Date() }), 60000);
   },
 
   componentWillUnmount () {
diff --git a/app/assets/javascripts/components/components/video_player.jsx b/app/assets/javascripts/components/components/video_player.jsx
index 209db33a7..2c236b996 100644
--- a/app/assets/javascripts/components/components/video_player.jsx
+++ b/app/assets/javascripts/components/components/video_player.jsx
@@ -1,6 +1,7 @@
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
-import IconButton         from './icon_button';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import IconButton from './icon_button';
+import { injectIntl } from 'react-intl';
 
 const videoStyle = {
   position: 'relative',
@@ -59,14 +60,16 @@ const VideoPlayer = React.createClass({
   },
 
   render () {
+    const { media, intl, width, height } = this.props;
+
     return (
-      <div style={{ cursor: 'default', marginTop: '8px', overflow: 'hidden', width: `${this.props.width}px`, height: `${this.props.height}px`, boxSizing: 'border-box', background: '#000', position: 'relative' }}>
-        <div style={muteStyle}><IconButton title='Toggle sound' icon={this.state.muted ? 'volume-up' : 'volume-off'} onClick={this.handleClick} /></div>
-        <video src={this.props.media.get('url')} autoPlay='true' loop={true} muted={this.state.muted} style={videoStyle} onClick={this.handleVideoClick} />
+      <div style={{ cursor: 'default', marginTop: '8px', overflow: 'hidden', width: `${width}px`, height: `${height}px`, boxSizing: 'border-box', background: '#000', position: 'relative' }}>
+        <div style={muteStyle}><IconButton title={intl.formatMessage({ id: 'video_player.toggle_sound', defaultMessage: 'Toggle sound' })} icon={this.state.muted ? 'volume-up' : 'volume-off'} onClick={this.handleClick} /></div>
+        <video src={media.get('url')} autoPlay='true' loop={true} muted={this.state.muted} style={videoStyle} onClick={this.handleVideoClick} />
       </div>
     );
   }
 
 });
 
-export default VideoPlayer;
+export default injectIntl(VideoPlayer);
diff --git a/app/assets/javascripts/components/containers/mastodon.jsx b/app/assets/javascripts/components/containers/mastodon.jsx
index 20b57998a..dbc32076b 100644
--- a/app/assets/javascripts/components/containers/mastodon.jsx
+++ b/app/assets/javascripts/components/containers/mastodon.jsx
@@ -32,6 +32,7 @@ import Following from '../features/following';
 import Reblogs from '../features/reblogs';
 import Favourites from '../features/favourites';
 import HashtagTimeline from '../features/hashtag_timeline';
+import { IntlProvider } from 'react-intl';
 
 const store = configureStore();
 
@@ -44,7 +45,8 @@ const Mastodon = React.createClass({
   propTypes: {
     token: React.PropTypes.string.isRequired,
     timelines: React.PropTypes.object,
-    account: React.PropTypes.string
+    account: React.PropTypes.string,
+    locale: React.PropTypes.string.isRequired
   },
 
   mixins: [PureRenderMixin],
@@ -81,30 +83,34 @@ const Mastodon = React.createClass({
   },
 
   render () {
+    const { locale } = this.props;
+
     return (
-      <Provider store={store}>
-        <Router history={browserHistory} render={applyRouterMiddleware(useScroll())}>
-          <Route path='/' component={UI}>
-            <IndexRoute component={GettingStarted} />
+      <IntlProvider locale={locale}>
+        <Provider store={store}>
+          <Router history={browserHistory} render={applyRouterMiddleware(useScroll())}>
+            <Route path='/' component={UI}>
+              <IndexRoute component={GettingStarted} />
 
-            <Route path='timelines/home' component={HomeTimeline} />
-            <Route path='timelines/mentions' component={MentionsTimeline} />
-            <Route path='timelines/public' component={PublicTimeline} />
-            <Route path='timelines/tag/:id' component={HashtagTimeline} />
+              <Route path='timelines/home' component={HomeTimeline} />
+              <Route path='timelines/mentions' component={MentionsTimeline} />
+              <Route path='timelines/public' component={PublicTimeline} />
+              <Route path='timelines/tag/:id' component={HashtagTimeline} />
 
-            <Route path='statuses/new' component={Compose} />
-            <Route path='statuses/:statusId' component={Status} />
-            <Route path='statuses/:statusId/reblogs' component={Reblogs} />
-            <Route path='statuses/:statusId/favourites' component={Favourites} />
+              <Route path='statuses/new' component={Compose} />
+              <Route path='statuses/:statusId' component={Status} />
+              <Route path='statuses/:statusId/reblogs' component={Reblogs} />
+              <Route path='statuses/:statusId/favourites' component={Favourites} />
 
-            <Route path='accounts/:accountId' component={Account}>
-              <IndexRoute component={AccountTimeline} />
-              <Route path='followers' component={Followers} />
-              <Route path='following' component={Following} />
+              <Route path='accounts/:accountId' component={Account}>
+                <IndexRoute component={AccountTimeline} />
+                <Route path='followers' component={Followers} />
+                <Route path='following' component={Following} />
+              </Route>
             </Route>
-          </Route>
-        </Router>
-      </Provider>
+          </Router>
+        </Provider>
+      </IntlProvider>
     );
   }
 
diff --git a/app/assets/javascripts/components/features/account/components/action_bar.jsx b/app/assets/javascripts/components/features/account/components/action_bar.jsx
index e0532dca1..f8d051439 100644
--- a/app/assets/javascripts/components/features/account/components/action_bar.jsx
+++ b/app/assets/javascripts/components/features/account/components/action_bar.jsx
@@ -1,7 +1,8 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import DropdownMenu       from '../../../components/dropdown_menu';
-import { Link }           from 'react-router';
+import DropdownMenu from '../../../components/dropdown_menu';
+import { Link } from 'react-router';
+import { injectIntl, FormattedMessage, FormattedNumber } from 'react-intl';
 
 const outerStyle = {
   borderTop: '1px solid #363c4b',
@@ -36,22 +37,22 @@ const ActionBar = React.createClass({
   mixins: [PureRenderMixin],
 
   render () {
-    const { account, me } = this.props;
+    const { account, me, intl } = this.props;
 
     let menu = [];
 
-    menu.push({ text: 'Mention', action: this.props.onMention });
+    menu.push({ text: intl.formatMessage({ id: 'account.mention', defaultMessage: 'Mention' }), action: this.props.onMention });
 
     if (account.get('id') === me) {
-      menu.push({ text: 'Edit profile', href: '/settings/profile' });
+      menu.push({ text: intl.formatMessage({ id: 'account.edit_profile', defaultMessage: 'Edit profile' }), href: '/settings/profile' });
     } else if (account.getIn(['relationship', 'blocking'])) {
-      menu.push({ text: 'Unblock', action: this.props.onBlock });
+      menu.push({ text: intl.formatMessage({ id: 'account.unblock', defaultMessage: 'Unblock' }), action: this.props.onBlock });
     } else if (account.getIn(['relationship', 'following'])) {
-      menu.push({ text: 'Unfollow', action: this.props.onFollow });
-      menu.push({ text: 'Block', action: this.props.onBlock });
+      menu.push({ text: intl.formatMessage({ id: 'account.unfollow', defaultMessage: 'Unfollow' }), action: this.props.onFollow });
+      menu.push({ text: intl.formatMessage({ id: 'account.block', defaultMessage: 'Block' }), action: this.props.onBlock });
     } else {
-      menu.push({ text: 'Follow', action: this.props.onFollow });
-      menu.push({ text: 'Block', action: this.props.onBlock });
+      menu.push({ text: intl.formatMessage({ id: 'account.follow', defaultMessage: 'Follow' }), action: this.props.onFollow });
+      menu.push({ text: intl.formatMessage({ id: 'account.block', defaultMessage: 'Block' }), action: this.props.onBlock });
     }
 
     return (
@@ -62,24 +63,24 @@ const ActionBar = React.createClass({
 
         <div style={outerLinksStyle}>
           <Link to={`/accounts/${account.get('id')}`} style={{ textDecoration: 'none', overflow: 'hidden', width: '80px', borderLeft: '1px solid #363c4b', padding: '10px', paddingRight: '5px' }}>
-            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}>Posts</span>
-            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}>{account.get('statuses_count')}</span>
+            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}><FormattedMessage id='account.posts' defaultMessage='Posts' /></span>
+            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}><FormattedNumber value={account.get('statuses_count')} /></span>
           </Link>
 
           <Link to={`/accounts/${account.get('id')}/following`} style={{ textDecoration: 'none', overflow: 'hidden', width: '80px', borderLeft: '1px solid #363c4b', padding: '10px 5px' }}>
-            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}>Follows</span>
-            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}>{account.get('following_count')}</span>
+            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}><FormattedMessage id='account.follows' defaultMessage='Follows' /></span>
+            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}><FormattedNumber value={account.get('following_count')} /></span>
           </Link>
 
           <Link to={`/accounts/${account.get('id')}/followers`} style={{ textDecoration: 'none', overflow: 'hidden', width: '80px', padding: '10px 5px', borderLeft: '1px solid #363c4b' }}>
-            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}>Followers</span>
-            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}>{account.get('followers_count')}</span>
+            <span style={{ display: 'block', textTransform: 'uppercase', fontSize: '11px', color: '#616b86' }}><FormattedMessage id='account.followers' defaultMessage='Followers' /></span>
+            <span style={{ display: 'block', fontSize: '15px', fontWeight: '500', color: '#fff' }}><FormattedNumber value={account.get('followers_count')} /></span>
           </Link>
         </div>
       </div>
     );
-  },
+  }
 
 });
 
-export default ActionBar;
+export default injectIntl(ActionBar);
diff --git a/app/assets/javascripts/components/features/account_timeline/index.jsx b/app/assets/javascripts/components/features/account_timeline/index.jsx
index cae88efdb..7a3dbe160 100644
--- a/app/assets/javascripts/components/features/account_timeline/index.jsx
+++ b/app/assets/javascripts/components/features/account_timeline/index.jsx
@@ -1,12 +1,12 @@
-import { connect }            from 'react-redux';
-import PureRenderMixin        from 'react-addons-pure-render-mixin';
-import ImmutablePropTypes     from 'react-immutable-proptypes';
+import { connect } from 'react-redux';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
 import {
   fetchAccountTimeline,
   expandAccountTimeline
-}                             from '../../actions/accounts';
-import StatusList             from '../../components/status_list';
-import LoadingIndicator       from '../../components/loading_indicator';
+} from '../../actions/accounts';
+import StatusList from '../../components/status_list';
+import LoadingIndicator from '../../components/loading_indicator';
 
 const mapStateToProps = (state, props) => ({
   statusIds: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId)]),
diff --git a/app/assets/javascripts/components/features/compose/components/compose_form.jsx b/app/assets/javascripts/components/features/compose/components/compose_form.jsx
index ead8e0008..5aa041f09 100644
--- a/app/assets/javascripts/components/features/compose/components/compose_form.jsx
+++ b/app/assets/javascripts/components/features/compose/components/compose_form.jsx
@@ -8,6 +8,7 @@ import Autosuggest from 'react-autosuggest';
 import AutosuggestAccountContainer from '../../compose/containers/autosuggest_account_container';
 import { debounce } from 'react-decoration';
 import UploadButtonContainer from '../containers/upload_button_container';
+import { injectIntl } from 'react-intl';
 
 const getTokenForSuggestions = (str, caretPosition) => {
   let word;
@@ -134,6 +135,7 @@ const ComposeForm = React.createClass({
   },
 
   render () {
+    const { intl } = this.props;
     let replyArea  = '';
     const disabled = this.props.is_submitting || this.props.is_uploading;
 
@@ -142,7 +144,7 @@ const ComposeForm = React.createClass({
     }
 
     const inputProps = {
-      placeholder: 'What is on your mind?',
+      placeholder: intl.formatMessage({ id: 'compose_form.placeholder', defaultMessage: 'What is on your mind?' }),
       value: this.props.text,
       onKeyUp: this.handleKeyUp,
       onChange: this.handleChange,
@@ -167,7 +169,7 @@ const ComposeForm = React.createClass({
         />
 
         <div style={{ marginTop: '10px', overflow: 'hidden' }}>
-          <div style={{ float: 'right' }}><Button text='Publish' onClick={this.handleSubmit} disabled={disabled} /></div>
+          <div style={{ float: 'right' }}><Button text={intl.formatMessage({ id: 'compose_form.publish', defaultMessage: 'Publish' })} onClick={this.handleSubmit} disabled={disabled} /></div>
           <div style={{ float: 'right', marginRight: '16px', lineHeight: '36px' }}><CharacterCounter max={500} text={this.props.text} /></div>
           <UploadButtonContainer style={{ paddingTop: '4px' }} />
         </div>
@@ -177,4 +179,4 @@ const ComposeForm = React.createClass({
 
 });
 
-export default ComposeForm;
+export default injectIntl(ComposeForm);
diff --git a/app/assets/javascripts/components/features/compose/components/navigation_bar.jsx b/app/assets/javascripts/components/features/compose/components/navigation_bar.jsx
index d2dae141f..4ba6d2290 100644
--- a/app/assets/javascripts/components/features/compose/components/navigation_bar.jsx
+++ b/app/assets/javascripts/components/features/compose/components/navigation_bar.jsx
@@ -1,9 +1,10 @@
 import PureRenderMixin    from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import Avatar             from '../../../components/avatar';
-import IconButton         from '../../../components/icon_button';
-import DisplayName        from '../../../components/display_name';
-import { Link }           from 'react-router';
+import IconButton from '../../../components/icon_button';
+import DisplayName from '../../../components/display_name';
+import { Link } from 'react-router';
+import { FormattedMessage } from 'react-intl';
 
 const NavigationBar = React.createClass({
   propTypes: {
@@ -19,7 +20,7 @@ const NavigationBar = React.createClass({
 
         <div style={{ flex: '1 1 auto', marginLeft: '8px', color: '#9baec8' }}>
           <strong style={{ fontWeight: '500', display: 'block', color: '#fff' }}>{this.props.account.get('acct')}</strong>
-          <a href='/settings/profile' style={{ color: 'inherit', textDecoration: 'none' }}>Settings</a> · <Link to='/timelines/public' style={{ color: 'inherit', textDecoration: 'none' }}>Public timeline</Link> · <a href='/auth/sign_out' data-method='delete' style={{ color: 'inherit', textDecoration: 'none' }}>Logout</a>
+          <a href='/settings/profile' style={{ color: 'inherit', textDecoration: 'none' }}><FormattedMessage id='navigation_bar.settings' defaultMessage='Settings' /></a> · <Link to='/timelines/public' style={{ color: 'inherit', textDecoration: 'none' }}><FormattedMessage id='navigation_bar.public_timeline' defaultMessage='Public timeline' /></Link> · <a href='/auth/sign_out' data-method='delete' style={{ color: 'inherit', textDecoration: 'none' }}><FormattedMessage id='navigation_bar.logout' defaultMessage='Logout' /></a>
         </div>
       </div>
     );
diff --git a/app/assets/javascripts/components/features/compose/components/reply_indicator.jsx b/app/assets/javascripts/components/features/compose/components/reply_indicator.jsx
index 6298d3de9..4b34f09bf 100644
--- a/app/assets/javascripts/components/features/compose/components/reply_indicator.jsx
+++ b/app/assets/javascripts/components/features/compose/components/reply_indicator.jsx
@@ -3,11 +3,8 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import Avatar from '../../../components/avatar';
 import IconButton from '../../../components/icon_button';
 import DisplayName from '../../../components/display_name';
-import emojione from 'emojione';
-
-emojione.imageType = 'png';
-emojione.sprites = false;
-emojione.imagePathPNG = '/emoji/';
+import emojify from '../../../emoji';
+import { injectIntl } from 'react-intl';
 
 const ReplyIndicator = React.createClass({
 
@@ -34,12 +31,13 @@ const ReplyIndicator = React.createClass({
   },
 
   render () {
-    let content = { __html: emojione.unicodeToImage(this.props.status.get('content')) };
+    const { intl } = this.props;
+    const content  = { __html: emojify(this.props.status.get('content')) };
 
     return (
       <div style={{ background: '#9baec8', padding: '10px' }}>
         <div style={{ overflow: 'hidden', marginBottom: '5px' }}>
-          <div style={{ float: 'right', lineHeight: '24px' }}><IconButton title='Cancel' icon='times' onClick={this.handleClick} /></div>
+          <div style={{ float: 'right', lineHeight: '24px' }}><IconButton title={intl.formatMessage({ id: 'reply_indicator.cancel', defaultMessage: 'Cancel' })} icon='times' onClick={this.handleClick} /></div>
 
           <a href={this.props.status.getIn(['account', 'url'])} onClick={this.handleAccountClick} className='reply-indicator__display-name' style={{ display: 'block', maxWidth: '100%', paddingRight: '25px', color: '#282c37', textDecoration: 'none', overflow: 'hidden', lineHeight: '24px' }}>
             <div style={{ float: 'left', marginRight: '5px' }}><Avatar size={24} src={this.props.status.getIn(['account', 'avatar'])} /></div>
@@ -54,4 +52,4 @@ const ReplyIndicator = React.createClass({
 
 });
 
-export default ReplyIndicator;
+export default injectIntl(ReplyIndicator);
diff --git a/app/assets/javascripts/components/features/compose/components/search.jsx b/app/assets/javascripts/components/features/compose/components/search.jsx
index 37efbe5df..65df336cc 100644
--- a/app/assets/javascripts/components/features/compose/components/search.jsx
+++ b/app/assets/javascripts/components/features/compose/components/search.jsx
@@ -3,6 +3,7 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import Autosuggest from 'react-autosuggest';
 import AutosuggestAccountContainer from '../containers/autosuggest_account_container';
 import { debounce } from 'react-decoration';
+import { injectIntl } from 'react-intl';
 
 const getSuggestionValue = suggestion => suggestion.value;
 
@@ -94,7 +95,7 @@ const Search = React.createClass({
 
   render () {
     const inputProps = {
-      placeholder: 'Search',
+      placeholder: this.props.intl.formatMessage({ id: 'search.placeholder', defaultMessage: 'Search' }),
       value: this.props.value,
       onChange: this.onChange,
       style: inputStyle
@@ -125,4 +126,4 @@ const Search = React.createClass({
 
 });
 
-export default Search;
+export default injectIntl(Search);
diff --git a/app/assets/javascripts/components/features/compose/components/suggestions_box.jsx b/app/assets/javascripts/components/features/compose/components/suggestions_box.jsx
index 70c2fca6e..697902275 100644
--- a/app/assets/javascripts/components/features/compose/components/suggestions_box.jsx
+++ b/app/assets/javascripts/components/features/compose/components/suggestions_box.jsx
@@ -1,6 +1,7 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import AccountContainer   from '../../followers/containers/account_container';
+import AccountContainer from '../../followers/containers/account_container';
+import { FormattedMessage } from 'react-intl';
 
 const outerStyle = {
   position: 'relative'
@@ -66,13 +67,13 @@ const SuggestionsBox = React.createClass({
     let nextLink = '';
 
     if (accountIds.size > perWindow) {
-      nextLink = <a href='#' style={nextStyle} onClick={this.handleNextClick}>Refresh</a>;
+      nextLink = <a href='#' style={nextStyle} onClick={this.handleNextClick}><FormattedMessage id='suggestions_box.refresh' defaultMessage='Refresh' /></a>;
     }
 
     return (
       <div style={outerStyle}>
         <strong style={headerStyle}>
-          Who to follow {nextLink}
+          <FormattedMessage id='suggestions_box.who_to_follow' defaultMessage='Who to follow' /> {nextLink}
         </strong>
 
         {accountIds.skip(perWindow * this.state.index).take(perWindow).map(accountId => <AccountContainer key={accountId} id={accountId} withNote={false} />)}
diff --git a/app/assets/javascripts/components/features/compose/components/upload_button.jsx b/app/assets/javascripts/components/features/compose/components/upload_button.jsx
index 8289e0a09..cc251835f 100644
--- a/app/assets/javascripts/components/features/compose/components/upload_button.jsx
+++ b/app/assets/javascripts/components/features/compose/components/upload_button.jsx
@@ -1,5 +1,6 @@
 import PureRenderMixin from 'react-addons-pure-render-mixin';
 import IconButton from '../../../components/icon_button';
+import { injectIntl } from 'react-intl';
 
 const UploadButton = React.createClass({
 
@@ -26,9 +27,11 @@ const UploadButton = React.createClass({
   },
 
   render () {
+    const { intl } = this.props;
+
     return (
       <div style={this.props.style}>
-        <IconButton icon='photo' title='Add media' disabled={this.props.disabled} onClick={this.handleClick} size={24} />
+        <IconButton icon='photo' title={intl.formatMessage({ id: 'upload_button.label', defaultMessage: 'Add media' })} disabled={this.props.disabled} onClick={this.handleClick} size={24} />
         <input ref={this.setRef} type='file' multiple={false} onChange={this.handleChange} disabled={this.props.disabled} style={{ display: 'none' }} />
       </div>
     );
@@ -36,4 +39,4 @@ const UploadButton = React.createClass({
 
 });
 
-export default UploadButton;
+export default injectIntl(UploadButton);
diff --git a/app/assets/javascripts/components/features/compose/components/upload_form.jsx b/app/assets/javascripts/components/features/compose/components/upload_form.jsx
index eab504b48..72c2b9535 100644
--- a/app/assets/javascripts/components/features/compose/components/upload_form.jsx
+++ b/app/assets/javascripts/components/features/compose/components/upload_form.jsx
@@ -1,6 +1,7 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import IconButton         from '../../../components/icon_button';
+import IconButton from '../../../components/icon_button';
+import { injectIntl } from 'react-intl';
 
 const UploadForm = React.createClass({
 
@@ -13,10 +14,12 @@ const UploadForm = React.createClass({
   mixins: [PureRenderMixin],
 
   render () {
+    const { intl } = this.props;
+
     const uploads = this.props.media.map(attachment => (
       <div key={attachment.get('id')} style={{ borderRadius: '4px', marginBottom: '10px' }} className='transparent-background'>
         <div style={{ width: '100%', height: '100px', borderRadius: '4px', background: `url(${attachment.get('preview_url')}) no-repeat center`, backgroundSize: 'cover' }}>
-          <IconButton icon='times' title='Undo' size={36} onClick={this.props.onRemoveFile.bind(this, attachment.get('id'))} />
+          <IconButton icon='times' title={intl.formatMessage({ id: 'upload_form.undo', defaultMessage: 'Undo' })} size={36} onClick={this.props.onRemoveFile.bind(this, attachment.get('id'))} />
         </div>
       </div>
     ));
@@ -30,4 +33,4 @@ const UploadForm = React.createClass({
 
 });
 
-export default UploadForm;
+export default injectIntl(UploadForm);
diff --git a/app/assets/javascripts/components/features/favourites/index.jsx b/app/assets/javascripts/components/features/favourites/index.jsx
index 8f15bcad9..5c9ea498b 100644
--- a/app/assets/javascripts/components/features/favourites/index.jsx
+++ b/app/assets/javascripts/components/features/favourites/index.jsx
@@ -1,12 +1,12 @@
-import { connect }            from 'react-redux';
-import PureRenderMixin        from 'react-addons-pure-render-mixin';
-import ImmutablePropTypes     from 'react-immutable-proptypes';
-import LoadingIndicator       from '../../components/loading_indicator';
-import { fetchFavourites }    from '../../actions/interactions';
-import { ScrollContainer }    from 'react-router-scroll';
-import AccountContainer       from '../followers/containers/account_container';
-import Column                 from '../ui/components/column';
-import ColumnBackButton       from '../../components/column_back_button';
+import { connect } from 'react-redux';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import LoadingIndicator from '../../components/loading_indicator';
+import { fetchFavourites } from '../../actions/interactions';
+import { ScrollContainer } from 'react-router-scroll';
+import AccountContainer from '../followers/containers/account_container';
+import Column from '../ui/components/column';
+import ColumnBackButton from '../../components/column_back_button';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'favourited_by', Number(props.params.statusId)])
diff --git a/app/assets/javascripts/components/features/followers/components/account.jsx b/app/assets/javascripts/components/features/followers/components/account.jsx
index adcd90360..123a40cab 100644
--- a/app/assets/javascripts/components/features/followers/components/account.jsx
+++ b/app/assets/javascripts/components/features/followers/components/account.jsx
@@ -1,9 +1,10 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import Avatar             from '../../../components/avatar';
-import DisplayName        from '../../../components/display_name';
-import { Link }           from 'react-router';
-import IconButton         from '../../../components/icon_button';
+import Avatar from '../../../components/avatar';
+import DisplayName from '../../../components/display_name';
+import { Link } from 'react-router';
+import IconButton from '../../../components/icon_button';
+import { injectIntl } from 'react-intl';
 
 const outerStyle = {
   padding: '10px',
@@ -51,7 +52,7 @@ const Account = React.createClass({
   },
 
   render () {
-    const { account, me, withNote } = this.props;
+    const { account, me, withNote, intl } = this.props;
 
     if (!account) {
       return <div />;
@@ -68,7 +69,7 @@ const Account = React.createClass({
 
       buttons = (
         <div style={buttonsStyle}>
-          <IconButton icon={following ? 'user-times' : 'user-plus'} title='Follow' onClick={this.handleFollow} active={following} />
+          <IconButton icon={following ? 'user-times' : 'user-plus'} title={intl.formatMessage({ id: 'account.follow', defaultMessage: 'Follow' })} onClick={this.handleFollow} active={following} />
         </div>
       );
     }
@@ -91,4 +92,4 @@ const Account = React.createClass({
 
 });
 
-export default Account;
+export default injectIntl(Account);
diff --git a/app/assets/javascripts/components/features/getting_started/index.jsx b/app/assets/javascripts/components/features/getting_started/index.jsx
index d5792dd9e..5a9c4db89 100644
--- a/app/assets/javascripts/components/features/getting_started/index.jsx
+++ b/app/assets/javascripts/components/features/getting_started/index.jsx
@@ -1,15 +1,15 @@
-import Column   from '../ui/components/column';
+import Column from '../ui/components/column';
 import { Link } from 'react-router';
+import { FormattedMessage } from 'react-intl';
 
 const GettingStarted = () => {
   return (
     <Column>
       <div className='static-content'>
-        <h1>Getting started</h1>
-        <p>You can follow people if you know their username and the domain they are on by entering an e-mail-esque address into the form in the bottom of the sidebar.</p>
-        <p>If the target user is on the same domain as you, just the username will work. The same rule applies to mentioning people in statuses.</p>
-        <p>The developer of this project can be followed as Gargron@mastodon.social</p>
-        <p>Also <Link to='/timelines/public' style={{ color: '#2b90d9', textDecoration: 'none' }}>check out the public timeline for a start</Link>!</p>
+        <h1><FormattedMessage id='getting_started.heading' defaultMessage='Getting started' /></h1>
+        <p><FormattedMessage id='getting_started.about_addressing' defaultMessage='You can follow people if you know their username and the domain they are on by entering an e-mail-esque address into the form at the top of the sidebar.' /></p>
+        <p><FormattedMessage id='getting_started.about_shortcuts' defaultMessage='If the target user is on the same domain as you, just the username will work. The same rule applies to mentioning people in statuses.' /></p>
+        <p><FormattedMessage id='getting_started.about_developer' defaultMessage='The developer of this project can be followed as Gargron@mastodon.social' /></p>
       </div>
     </Column>
   );
diff --git a/app/assets/javascripts/components/features/home_timeline/index.jsx b/app/assets/javascripts/components/features/home_timeline/index.jsx
index e4cd8bdca..117a4a72d 100644
--- a/app/assets/javascripts/components/features/home_timeline/index.jsx
+++ b/app/assets/javascripts/components/features/home_timeline/index.jsx
@@ -1,8 +1,9 @@
-import { connect }         from 'react-redux';
-import PureRenderMixin     from 'react-addons-pure-render-mixin';
+import { connect } from 'react-redux';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import StatusListContainer from '../ui/containers/status_list_container';
-import Column              from '../ui/components/column';
+import Column from '../ui/components/column';
 import { refreshTimeline } from '../../actions/timelines';
+import { injectIntl } from 'react-intl';
 
 const HomeTimeline = React.createClass({
 
@@ -17,8 +18,10 @@ const HomeTimeline = React.createClass({
   },
 
   render () {
+    const { intl } = this.props;
+
     return (
-      <Column icon='home' heading='Home'>
+      <Column icon='home' heading={intl.formatMessage({ id: 'column.home', defaultMessage: 'Home' })}>
         <StatusListContainer {...this.props} type='home' />
       </Column>
     );
@@ -26,4 +29,4 @@ const HomeTimeline = React.createClass({
 
 });
 
-export default connect()(HomeTimeline);
+export default connect()(injectIntl(HomeTimeline));
diff --git a/app/assets/javascripts/components/features/mentions_timeline/index.jsx b/app/assets/javascripts/components/features/mentions_timeline/index.jsx
index 919a75d18..9f1caa235 100644
--- a/app/assets/javascripts/components/features/mentions_timeline/index.jsx
+++ b/app/assets/javascripts/components/features/mentions_timeline/index.jsx
@@ -1,8 +1,9 @@
 import { connect }         from 'react-redux';
-import PureRenderMixin     from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import StatusListContainer from '../ui/containers/status_list_container';
-import Column              from '../ui/components/column';
+import Column from '../ui/components/column';
 import { refreshTimeline } from '../../actions/timelines';
+import { injectIntl } from 'react-intl';
 
 const MentionsTimeline = React.createClass({
 
@@ -17,8 +18,10 @@ const MentionsTimeline = React.createClass({
   },
 
   render () {
+    const { intl } = this.props;
+
     return (
-      <Column icon='at' heading='Mentions'>
+      <Column icon='at' heading={intl.formatMessage({ id: 'column.mentions', defaultMessage: 'Mentions' })}>
         <StatusListContainer {...this.props} type='mentions' />
       </Column>
     );
@@ -26,4 +29,4 @@ const MentionsTimeline = React.createClass({
 
 });
 
-export default connect()(MentionsTimeline);
+export default connect()(injectIntl(MentionsTimeline));
diff --git a/app/assets/javascripts/components/features/public_timeline/index.jsx b/app/assets/javascripts/components/features/public_timeline/index.jsx
index 12f73ba9b..445a4fc63 100644
--- a/app/assets/javascripts/components/features/public_timeline/index.jsx
+++ b/app/assets/javascripts/components/features/public_timeline/index.jsx
@@ -7,6 +7,7 @@ import {
   updateTimeline,
   deleteFromTimelines
 } from '../../actions/timelines';
+import { injectIntl } from 'react-intl';
 
 const PublicTimeline = React.createClass({
 
@@ -44,8 +45,10 @@ const PublicTimeline = React.createClass({
   },
 
   render () {
+    const { intl } = this.props;
+
     return (
-      <Column icon='globe' heading='Public'>
+      <Column icon='globe' heading={intl.formatMessage({ id: 'column.public', defaultMessage: 'Public' })}>
         <StatusListContainer type='public' />
       </Column>
     );
@@ -53,4 +56,4 @@ const PublicTimeline = React.createClass({
 
 });
 
-export default connect()(PublicTimeline);
+export default connect()(injectIntl(PublicTimeline));
diff --git a/app/assets/javascripts/components/features/reblogs/index.jsx b/app/assets/javascripts/components/features/reblogs/index.jsx
index 2b62d3a27..5f22065f6 100644
--- a/app/assets/javascripts/components/features/reblogs/index.jsx
+++ b/app/assets/javascripts/components/features/reblogs/index.jsx
@@ -1,12 +1,12 @@
-import { connect }            from 'react-redux';
-import PureRenderMixin        from 'react-addons-pure-render-mixin';
-import ImmutablePropTypes     from 'react-immutable-proptypes';
-import LoadingIndicator       from '../../components/loading_indicator';
-import { fetchReblogs }       from '../../actions/interactions';
-import { ScrollContainer }    from 'react-router-scroll';
-import AccountContainer       from '../followers/containers/account_container';
-import Column                 from '../ui/components/column';
-import ColumnBackButton       from '../../components/column_back_button';
+import { connect } from 'react-redux';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import LoadingIndicator from '../../components/loading_indicator';
+import { fetchReblogs } from '../../actions/interactions';
+import { ScrollContainer } from 'react-router-scroll';
+import AccountContainer from '../followers/containers/account_container';
+import Column from '../ui/components/column';
+import ColumnBackButton from '../../components/column_back_button';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'reblogged_by', Number(props.params.statusId)])
diff --git a/app/assets/javascripts/components/features/status/components/action_bar.jsx b/app/assets/javascripts/components/features/status/components/action_bar.jsx
index b1202ad8e..d855176f2 100644
--- a/app/assets/javascripts/components/features/status/components/action_bar.jsx
+++ b/app/assets/javascripts/components/features/status/components/action_bar.jsx
@@ -1,7 +1,8 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
-import IconButton         from '../../../components/icon_button';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import IconButton from '../../../components/icon_button';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import DropdownMenu       from '../../../components/dropdown_menu';
+import DropdownMenu from '../../../components/dropdown_menu';
+import { injectIntl } from 'react-intl';
 
 const ActionBar = React.createClass({
 
@@ -38,21 +39,21 @@ const ActionBar = React.createClass({
   },
 
   render () {
-    const { status, me } = this.props;
+    const { status, me, intl } = this.props;
 
     let menu = [];
 
     if (me === status.getIn(['account', 'id'])) {
-      menu.push({ text: 'Delete', action: this.handleDeleteClick });
+      menu.push({ text: intl.formatMessage({ id: 'status.delete', defaultMessage: 'Delete' }), action: this.handleDeleteClick });
     } else {
-      menu.push({ text: 'Mention', action: this.handleMentionClick });
+      menu.push({ text: intl.formatMessage({ id: 'status.mention', defaultMessage: 'Mention' }), action: this.handleMentionClick });
     }
 
     return (
       <div style={{ background: '#2f3441', display: 'flex', flexDirection: 'row', borderTop: '1px solid #363c4b', borderBottom: '1px solid #363c4b', padding: '10px 0' }}>
-        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton title='Reply' icon='reply' onClick={this.handleReplyClick} /></div>
-        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton active={status.get('reblogged')} title='Reblog' icon='retweet' onClick={this.handleReblogClick} /></div>
-        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton active={status.get('favourited')} title='Favourite' icon='star' onClick={this.handleFavouriteClick}  activeStyle={{ color: '#ca8f04' }} /></div>
+        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton title={intl.formatMessage({ id: 'status.reply', defaultMessage: 'Reply' })} icon='reply' onClick={this.handleReplyClick} /></div>
+        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton active={status.get('reblogged')} title={intl.formatMessage({ id: 'status.reblog', defaultMessage: 'Reblog' })} icon='retweet' onClick={this.handleReblogClick} /></div>
+        <div style={{ flex: '1 1 auto', textAlign: 'center' }}><IconButton active={status.get('favourited')} title={intl.formatMessage({ id: 'status.favourite', defaultMessage: 'Favourite' })} icon='star' onClick={this.handleFavouriteClick} activeStyle={{ color: '#ca8f04' }} /></div>
         <div style={{ flex: '1 1 auto', textAlign: 'center' }}><DropdownMenu size={18} icon='ellipsis-h' items={menu} /></div>
       </div>
     );
@@ -60,4 +61,4 @@ const ActionBar = React.createClass({
 
 });
 
-export default ActionBar;
+export default injectIntl(ActionBar);
diff --git a/app/assets/javascripts/components/features/status/components/detailed_status.jsx b/app/assets/javascripts/components/features/status/components/detailed_status.jsx
index 71335970f..8efdf195f 100644
--- a/app/assets/javascripts/components/features/status/components/detailed_status.jsx
+++ b/app/assets/javascripts/components/features/status/components/detailed_status.jsx
@@ -1,12 +1,12 @@
-import PureRenderMixin    from 'react-addons-pure-render-mixin';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import Avatar             from '../../../components/avatar';
-import DisplayName        from '../../../components/display_name';
-import StatusContent      from '../../../components/status_content';
-import MediaGallery       from '../../../components/media_gallery';
-import VideoPlayer        from '../../../components/video_player';
-import moment             from 'moment';
-import { Link }           from 'react-router';
+import Avatar from '../../../components/avatar';
+import DisplayName from '../../../components/display_name';
+import StatusContent from '../../../components/status_content';
+import MediaGallery from '../../../components/media_gallery';
+import VideoPlayer from '../../../components/video_player';
+import { Link } from 'react-router';
+import { FormattedDate, FormattedNumber } from 'react-intl';
 
 const DetailedStatus = React.createClass({
 
@@ -54,7 +54,7 @@ const DetailedStatus = React.createClass({
         {media}
 
         <div style={{ marginTop: '15px', color: '#616b86', fontSize: '14px', lineHeight: '18px' }}>
-          <a className='detailed-status__datetime' style={{ color: 'inherit' }} href={status.get('url')} target='_blank' rel='noopener'>{moment(status.get('created_at')).format('HH:mm, DD MMM Y')}</a> · <Link to={`/statuses/${status.get('id')}/reblogs`} style={{ color: 'inherit', textDecoration: 'none' }}><i className='fa fa-retweet' /><span style={{ fontWeight: '500', fontSize: '12px', marginLeft: '6px', display: 'inline-block' }}>{status.get('reblogs_count')}</span></Link> · <Link to={`/statuses/${status.get('id')}/favourites`} style={{ color: 'inherit', textDecoration: 'none' }}><i className='fa fa-star' /><span style={{ fontWeight: '500', fontSize: '12px', marginLeft: '6px', display: 'inline-block' }}>{status.get('favourites_count')}</span></Link>
+          <a className='detailed-status__datetime' style={{ color: 'inherit' }} href={status.get('url')} target='_blank' rel='noopener'><FormattedDate value={status.get('created_at')} hour12={false} year='numeric' month='short' day='2-digit' hour='2-digit' minute='2-digit' /></a> · <Link to={`/statuses/${status.get('id')}/reblogs`} style={{ color: 'inherit', textDecoration: 'none' }}><i className='fa fa-retweet' /><span style={{ fontWeight: '500', fontSize: '12px', marginLeft: '6px', display: 'inline-block' }}><FormattedNumber value={status.get('reblogs_count')} /></span></Link> · <Link to={`/statuses/${status.get('id')}/favourites`} style={{ color: 'inherit', textDecoration: 'none' }}><i className='fa fa-star' /><span style={{ fontWeight: '500', fontSize: '12px', marginLeft: '6px', display: 'inline-block' }}><FormattedNumber value={status.get('favourites_count')} /></span></Link>
         </div>
       </div>
     );
diff --git a/app/assets/javascripts/components/features/ui/components/tabs_bar.jsx b/app/assets/javascripts/components/features/ui/components/tabs_bar.jsx
index 723f8c9ac..8313d8826 100644
--- a/app/assets/javascripts/components/features/ui/components/tabs_bar.jsx
+++ b/app/assets/javascripts/components/features/ui/components/tabs_bar.jsx
@@ -1,4 +1,5 @@
 import { Link } from 'react-router';
+import { FormattedMessage } from 'react-intl';
 
 const outerStyle = {
   background: '#373b4a',
@@ -28,10 +29,10 @@ const tabActiveStyle = {
 const TabsBar = () => {
   return (
     <div style={outerStyle}>
-      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/statuses/new'><i className='fa fa-fw fa-pencil' /> Compose</Link>
-      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/home'><i className='fa fa-fw fa-home' /> Home</Link>
-      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/mentions'><i className='fa fa-fw fa-at' /> Mentions</Link>
-      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/public'><i className='fa fa-fw fa-globe' /> Public</Link>
+      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/statuses/new'><i className='fa fa-fw fa-pencil' /> <FormattedMessage id='tabs_bar.compose' defaultMessage='Compose' /></Link>
+      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/home'><i className='fa fa-fw fa-home' /> <FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></Link>
+      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/mentions'><i className='fa fa-fw fa-at' /> <FormattedMessage id='tabs_bar.mentions' defaultMessage='Mentions' /></Link>
+      <Link style={tabStyle} activeStyle={tabActiveStyle} to='/timelines/public'><i className='fa fa-fw fa-globe' /> <FormattedMessage id='tabs_bar.public' defaultMessage='Public' /></Link>
     </div>
   );
 };
diff --git a/app/helpers/home_helper.rb b/app/helpers/home_helper.rb
index 66d7ea9af..6f87c7b72 100644
--- a/app/helpers/home_helper.rb
+++ b/app/helpers/home_helper.rb
@@ -5,6 +5,7 @@ module HomeHelper
     {
       token: @token,
       account: render(file: 'api/v1/accounts/show', locals: { account: current_user.account }, formats: :json),
+      locale: I18n.locale,
     }
   end
 end
diff --git a/package.json b/package.json
index e514e03b9..6264b62f5 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,6 @@
     "immutable": "^3.8.1",
     "jsdom": "^9.6.0",
     "mocha": "^3.1.1",
-    "moment": "^2.14.1",
     "react": "^15.3.2",
     "react-addons-perf": "^15.3.2",
     "react-addons-pure-render-mixin": "^15.3.1",
@@ -46,6 +45,7 @@
     "http-link-header": "^0.5.0",
     "react-autosuggest": "^7.0.1",
     "react-decoration": "^1.4.0",
+    "react-intl": "^2.1.5",
     "react-motion": "^0.4.5",
     "react-responsive": "^1.1.5",
     "react-router-scroll": "^0.3.2"
diff --git a/yarn.lock b/yarn.lock
index 55f151753..fac059911 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2497,12 +2497,38 @@ interpret@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.1.tgz#d579fb7f693b858004947af39fa0db49f795602c"
 
+intl-format-cache@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/intl-format-cache/-/intl-format-cache-2.0.5.tgz#b484cefcb9353f374f25de389a3ceea1af18d7c9"
+
+intl-messageformat-parser@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/intl-messageformat-parser/-/intl-messageformat-parser-1.2.0.tgz#5906b7f953ab7470e0dc8549097b648b991892ff"
+
+intl-messageformat@^1.3.0, intl-messageformat@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/intl-messageformat/-/intl-messageformat-1.3.0.tgz#f7d926aded7a3ab19b2dc601efd54e99a4bd4eae"
+  dependencies:
+    intl-messageformat-parser "1.2.0"
+
+intl-relativeformat@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/intl-relativeformat/-/intl-relativeformat-1.3.0.tgz#893dc7076fccd380cf091a2300c380fa57ace45b"
+  dependencies:
+    intl-messageformat "1.3.0"
+
 invariant@^2.0.0, invariant@^2.2.0, invariant@^2.2.1, invariant@2.x.x:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.1.tgz#b097010547668c7e337028ebe816ebe36c8a8d54"
   dependencies:
     loose-envify "^1.0.0"
 
+invariant@^2.1.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
+  dependencies:
+    loose-envify "^1.0.0"
+
 ipaddr.js@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.1.1.tgz#c791d95f52b29c1247d5df80ada39b8a73647230"
@@ -3151,10 +3177,6 @@ module-deps@^4.0.2:
     through2 "^2.0.0"
     xtend "^4.0.0"
 
-moment@^2.14.1:
-  version "2.15.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.15.1.tgz#e979c2a29e22888e60f396f2220a6118f85cd94c"
-
 ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
@@ -3912,6 +3934,15 @@ react-inspector@^1.1.0:
   dependencies:
     is-dom "^1.0.5"
 
+react-intl:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/react-intl/-/react-intl-2.1.5.tgz#f9795ea34b790dcb5d0d8ef7060dddbe85bf8763"
+  dependencies:
+    intl-format-cache "^2.0.5"
+    intl-messageformat "^1.3.0"
+    intl-relativeformat "^1.3.0"
+    invariant "^2.1.1"
+
 react-komposer@^1.9.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/react-komposer/-/react-komposer-1.13.1.tgz#4b8ac4bcc71323bd7413dcab95c831197f50eed0"