diff --git a/app/assets/javascripts/components/actions/compose.jsx b/app/assets/javascripts/components/actions/compose.jsx
index 05674ba89..6d0188166 100644
--- a/app/assets/javascripts/components/actions/compose.jsx
+++ b/app/assets/javascripts/components/actions/compose.jsx
@@ -23,6 +23,8 @@ export const COMPOSE_MOUNT   = 'COMPOSE_MOUNT';
 export const COMPOSE_UNMOUNT = 'COMPOSE_UNMOUNT';
 
 export const COMPOSE_SENSITIVITY_CHANGE = 'COMPOSE_SENSITIVITY_CHANGE';
+export const COMPOSE_SPOILERNESS_CHANGE = 'COMPOSE_SPOILERNESS_CHANGE';
+export const COMPOSE_SPOILER_TEXT_CHANGE = 'COMPOSE_SPOILER_TEXT_CHANGE';
 export const COMPOSE_VISIBILITY_CHANGE  = 'COMPOSE_VISIBILITY_CHANGE';
 export const COMPOSE_LISTABILITY_CHANGE = 'COMPOSE_LISTABILITY_CHANGE';
 
@@ -68,6 +70,7 @@ export function submitCompose() {
       in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
       media_ids: getState().getIn(['compose', 'media_attachments']).map(item => item.get('id')),
       sensitive: getState().getIn(['compose', 'sensitive']),
+      spoiler_text: getState().getIn(['compose', 'spoiler_text'], ''),
       visibility: getState().getIn(['compose', 'private']) ? 'private' : (getState().getIn(['compose', 'unlisted']) ? 'unlisted' : 'public')
     }).then(function (response) {
       dispatch(submitComposeSuccess({ ...response.data }));
@@ -218,6 +221,20 @@ export function changeComposeSensitivity(checked) {
   };
 };
 
+export function changeComposeSpoilerness(checked) {
+  return {
+    type: COMPOSE_SPOILERNESS_CHANGE,
+    checked
+  };
+};
+
+export function changeComposeSpoilerText(text) {
+  return {
+    type: COMPOSE_SPOILER_TEXT_CHANGE,
+    text
+  };
+};
+
 export function changeComposeVisibility(checked) {
   return {
     type: COMPOSE_VISIBILITY_CHANGE,
diff --git a/app/assets/javascripts/components/components/status_content.jsx b/app/assets/javascripts/components/components/status_content.jsx
index 1ee720c9b..ff90226d8 100644
--- a/app/assets/javascripts/components/components/status_content.jsx
+++ b/app/assets/javascripts/components/components/status_content.jsx
@@ -1,6 +1,7 @@
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PureRenderMixin from 'react-addons-pure-render-mixin';
 import emojify from '../emoji';
+import { FormattedMessage } from 'react-intl';
 
 const StatusContent = React.createClass({
 
@@ -13,6 +14,12 @@ const StatusContent = React.createClass({
     onClick: React.PropTypes.func
   },
 
+  getInitialState () {
+    return {
+      hidden: true
+    };
+  },
+
   mixins: [PureRenderMixin],
 
   componentDidMount () {
@@ -69,20 +76,40 @@ const StatusContent = React.createClass({
     this.startXY = null;
   },
 
+  handleSpoilerClick () {
+    this.setState({ hidden: !this.state.hidden });
+  },
+
   render () {
     const { status } = this.props;
+    const { hidden } = this.state;
 
     const content = { __html: emojify(status.get('content')) };
+    const spoilerContent = { __html: emojify(status.get('spoiler_text')) };
 
-    return (
-      <div
-        className='status__content'
-        style={{ cursor: 'pointer' }}
-        dangerouslySetInnerHTML={content}
-        onMouseDown={this.handleMouseDown}
-        onMouseUp={this.handleMouseUp}
-      />
-    );
+    if (status.get('spoiler_text').length > 0) {
+      const toggleText = hidden ? <FormattedMessage id='status.show_more' defaultMessage='Show more' /> : <FormattedMessage id='status.show_less' defaultMessage='Show less' />;
+
+      return (
+        <div className='status__content' style={{ cursor: 'pointer' }} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
+          <p>
+            <span dangerouslySetInnerHTML={spoilerContent} /> <a onClick={this.handleSpoilerClick}>{toggleText}</a>
+          </p>
+
+          <div style={{ display: hidden ? 'none' : 'block' }} dangerouslySetInnerHTML={content} />
+        </div>
+      );
+    } else {
+      return (
+        <div
+          className='status__content'
+          style={{ cursor: 'pointer' }}
+          onMouseDown={this.handleMouseDown}
+          onMouseUp={this.handleMouseUp}
+          dangerouslySetInnerHTML={content}
+        />
+      );
+    }
   },
 
 });
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 80cb38e16..48363a968 100644
--- a/app/assets/javascripts/components/features/compose/components/compose_form.jsx
+++ b/app/assets/javascripts/components/features/compose/components/compose_form.jsx
@@ -14,6 +14,7 @@ import { Motion, spring } from 'react-motion';
 
 const messages = defineMessages({
   placeholder: { id: 'compose_form.placeholder', defaultMessage: 'What is on your mind?' },
+  spoiler_placeholder: { id: 'compose_form.spoiler_placeholder', defaultMessage: 'Content warning' },
   publish: { id: 'compose_form.publish', defaultMessage: 'Publish' }
 });
 
@@ -25,6 +26,8 @@ const ComposeForm = React.createClass({
     suggestion_token: React.PropTypes.string,
     suggestions: ImmutablePropTypes.list,
     sensitive: React.PropTypes.bool,
+    spoiler: React.PropTypes.bool,
+    spoiler_text: React.PropTypes.string,
     unlisted: React.PropTypes.bool,
     private: React.PropTypes.bool,
     fileDropDate: React.PropTypes.instanceOf(Date),
@@ -40,6 +43,8 @@ const ComposeForm = React.createClass({
     onFetchSuggestions: React.PropTypes.func.isRequired,
     onSuggestionSelected: React.PropTypes.func.isRequired,
     onChangeSensitivity: React.PropTypes.func.isRequired,
+    onChangeSpoilerness: React.PropTypes.func.isRequired,
+    onChangeSpoilerText: React.PropTypes.func.isRequired,
     onChangeVisibility: React.PropTypes.func.isRequired,
     onChangeListability: React.PropTypes.func.isRequired,
   },
@@ -77,6 +82,15 @@ const ComposeForm = React.createClass({
     this.props.onChangeSensitivity(e.target.checked);
   },
 
+  handleChangeSpoilerness (e) {
+    this.props.onChangeSpoilerness(e.target.checked);
+    this.props.onChangeSpoilerText('');
+  },
+
+  handleChangeSpoilerText (e) {
+    this.props.onChangeSpoilerText(e.target.value);
+  },
+
   handleChangeVisibility (e) {
     this.props.onChangeVisibility(e.target.checked);
   },
@@ -115,6 +129,14 @@ const ComposeForm = React.createClass({
 
     return (
       <div style={{ padding: '10px' }}>
+        <Motion defaultStyle={{ opacity: !this.props.spoiler ? 0 : 100, height: !this.props.spoiler ? 50 : 0 }} style={{ opacity: spring(!this.props.spoiler ? 0 : 100), height: spring(!this.props.spoiler ? 0 : 50) }}>
+          {({ opacity, height }) =>
+            <div className="spoiler-input" style={{ height: `${height}px`, overflow: 'hidden', opacity: opacity / 100 }}>
+              <input placeholder={intl.formatMessage(messages.spoiler_placeholder)} value={this.props.spoiler_text} onChange={this.handleChangeSpoilerText} type="text" className="spoiler-input__input" />
+            </div>
+          }
+        </Motion>
+
         {replyArea}
 
         <AutosuggestTextarea
@@ -133,7 +155,7 @@ const ComposeForm = React.createClass({
 
         <div style={{ marginTop: '10px', overflow: 'hidden' }}>
           <div style={{ float: 'right' }}><Button text={intl.formatMessage(messages.publish)} onClick={this.handleSubmit} disabled={disabled} /></div>
-          <div style={{ float: 'right', marginRight: '16px', lineHeight: '36px' }}><CharacterCounter max={500} text={this.props.text} /></div>
+          <div style={{ float: 'right', marginRight: '16px', lineHeight: '36px' }}><CharacterCounter max={500} text={[this.props.spoiler_text, this.props.text].join('')} /></div>
           <UploadButtonContainer style={{ paddingTop: '4px' }} />
         </div>
 
@@ -142,6 +164,11 @@ const ComposeForm = React.createClass({
           <span style={{ display: 'inline-block', verticalAlign: 'middle', marginBottom: '14px', marginLeft: '8px', color: '#9baec8' }}><FormattedMessage id='compose_form.private' defaultMessage='Mark as private' /></span>
         </label>
 
+        <label style={{ display: 'block', lineHeight: '24px', verticalAlign: 'middle' }}>
+          <Toggle checked={this.props.spoiler} onChange={this.handleChangeSpoilerness} />
+          <span style={{ display: 'inline-block', verticalAlign: 'middle', marginBottom: '14px', marginLeft: '8px', color: '#9baec8' }}><FormattedMessage id='compose_form.spoiler' defaultMessage='Hide behind content warning' /></span>
+        </label>
+
         <Motion defaultStyle={{ opacity: (this.props.private || reply_to_other) ? 0 : 100, height: (this.props.private || reply_to_other) ? 39.5 : 0 }} style={{ opacity: spring((this.props.private || reply_to_other) ? 0 : 100), height: spring((this.props.private || reply_to_other) ? 0 : 39.5) }}>
           {({ opacity, height }) =>
             <label style={{ display: 'block', lineHeight: '24px', verticalAlign: 'middle', height: `${height}px`, overflow: 'hidden', opacity: opacity / 100 }}>
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 8a14dda69..94c94b4b7 100644
--- a/app/assets/javascripts/components/features/compose/components/upload_form.jsx
+++ b/app/assets/javascripts/components/features/compose/components/upload_form.jsx
@@ -12,7 +12,8 @@ const UploadForm = React.createClass({
   propTypes: {
     media: ImmutablePropTypes.list.isRequired,
     is_uploading: React.PropTypes.bool,
-    onRemoveFile: React.PropTypes.func.isRequired
+    onRemoveFile: React.PropTypes.func.isRequired,
+    intl: React.PropTypes.object.isRequired
   },
 
   mixins: [PureRenderMixin],
diff --git a/app/assets/javascripts/components/features/compose/containers/compose_form_container.jsx b/app/assets/javascripts/components/features/compose/containers/compose_form_container.jsx
index 1b5a506d5..8ccfce059 100644
--- a/app/assets/javascripts/components/features/compose/containers/compose_form_container.jsx
+++ b/app/assets/javascripts/components/features/compose/containers/compose_form_container.jsx
@@ -8,6 +8,8 @@ import {
   fetchComposeSuggestions,
   selectComposeSuggestion,
   changeComposeSensitivity,
+  changeComposeSpoilerness,
+  changeComposeSpoilerText,
   changeComposeVisibility,
   changeComposeListability
 } from '../../../actions/compose';
@@ -22,6 +24,8 @@ const makeMapStateToProps = () => {
       suggestion_token: state.getIn(['compose', 'suggestion_token']),
       suggestions: state.getIn(['compose', 'suggestions']),
       sensitive: state.getIn(['compose', 'sensitive']),
+      spoiler: state.getIn(['compose', 'spoiler']),
+      spoiler_text: state.getIn(['compose', 'spoiler_text']),
       unlisted: state.getIn(['compose', 'unlisted']),
       private: state.getIn(['compose', 'private']),
       fileDropDate: state.getIn(['compose', 'fileDropDate']),
@@ -66,6 +70,14 @@ const mapDispatchToProps = function (dispatch) {
       dispatch(changeComposeSensitivity(checked));
     },
 
+    onChangeSpoilerness (checked) {
+      dispatch(changeComposeSpoilerness(checked));
+    },
+
+    onChangeSpoilerText (checked) {
+      dispatch(changeComposeSpoilerText(checked));
+    },
+
     onChangeVisibility (checked) {
       dispatch(changeComposeVisibility(checked));
     },
diff --git a/app/assets/javascripts/components/reducers/compose.jsx b/app/assets/javascripts/components/reducers/compose.jsx
index 2df50c45b..d3a84842f 100644
--- a/app/assets/javascripts/components/reducers/compose.jsx
+++ b/app/assets/javascripts/components/reducers/compose.jsx
@@ -17,6 +17,8 @@ import {
   COMPOSE_SUGGESTIONS_READY,
   COMPOSE_SUGGESTION_SELECT,
   COMPOSE_SENSITIVITY_CHANGE,
+  COMPOSE_SPOILERNESS_CHANGE,
+  COMPOSE_SPOILER_TEXT_CHANGE,
   COMPOSE_VISIBILITY_CHANGE,
   COMPOSE_LISTABILITY_CHANGE
 } from '../actions/compose';
@@ -27,6 +29,8 @@ import Immutable from 'immutable';
 const initialState = Immutable.Map({
   mounted: false,
   sensitive: false,
+  spoiler: false,
+  spoiler_text: '',
   unlisted: false,
   private: false,
   text: '',
@@ -56,6 +60,8 @@ function statusToTextMentions(state, status) {
 function clearAll(state) {
   return state.withMutations(map => {
     map.set('text', '');
+    map.set('spoiler', false);
+    map.set('spoiler_text', '');
     map.set('is_submitting', false);
     map.set('in_reply_to', null);
     map.update('media_attachments', list => list.clear());
@@ -90,64 +96,68 @@ const insertSuggestion = (state, position, token, completion) => {
 
 export default function compose(state = initialState, action) {
   switch(action.type) {
-    case STORE_HYDRATE:
-      return state.merge(action.state.get('compose'));
-    case COMPOSE_MOUNT:
-      return state.set('mounted', true);
-    case COMPOSE_UNMOUNT:
-      return state.set('mounted', false);
-    case COMPOSE_SENSITIVITY_CHANGE:
-      return state.set('sensitive', action.checked);
-    case COMPOSE_VISIBILITY_CHANGE:
-      return state.set('private', action.checked);
-    case COMPOSE_LISTABILITY_CHANGE:
-      return state.set('unlisted', action.checked);
-    case COMPOSE_CHANGE:
-      return state.set('text', action.text);
-    case COMPOSE_REPLY:
-      return state.withMutations(map => {
-        map.set('in_reply_to', action.status.get('id'));
-        map.set('text', statusToTextMentions(state, action.status));
-      });
-    case COMPOSE_REPLY_CANCEL:
-      return state.withMutations(map => {
-        map.set('in_reply_to', null);
-        map.set('text', '');
-      });
-    case COMPOSE_SUBMIT_REQUEST:
-      return state.set('is_submitting', true);
-    case COMPOSE_SUBMIT_SUCCESS:
-      return clearAll(state);
-    case COMPOSE_SUBMIT_FAIL:
-      return state.set('is_submitting', false);
-    case COMPOSE_UPLOAD_REQUEST:
-      return state.withMutations(map => {
-        map.set('is_uploading', true);
-        map.set('fileDropDate', new Date());
-      });
-    case COMPOSE_UPLOAD_SUCCESS:
-      return appendMedia(state, Immutable.fromJS(action.media));
-    case COMPOSE_UPLOAD_FAIL:
-      return state.set('is_uploading', false);
-    case COMPOSE_UPLOAD_UNDO:
-      return removeMedia(state, action.media_id);
-    case COMPOSE_UPLOAD_PROGRESS:
-      return state.set('progress', Math.round((action.loaded / action.total) * 100));
-    case COMPOSE_MENTION:
-      return state.update('text', text => `${text}@${action.account.get('acct')} `);
-    case COMPOSE_SUGGESTIONS_CLEAR:
-      return state.update('suggestions', Immutable.List(), list => list.clear()).set('suggestion_token', null);
-    case COMPOSE_SUGGESTIONS_READY:
-      return state.set('suggestions', Immutable.List(action.accounts.map(item => item.id))).set('suggestion_token', action.token);
-    case COMPOSE_SUGGESTION_SELECT:
-      return insertSuggestion(state, action.position, action.token, action.completion);
-    case TIMELINE_DELETE:
-      if (action.id === state.get('in_reply_to')) {
-        return state.set('in_reply_to', null);
-      } else {
-        return state;
-      }
-    default:
+  case STORE_HYDRATE:
+    return state.merge(action.state.get('compose'));
+  case COMPOSE_MOUNT:
+    return state.set('mounted', true);
+  case COMPOSE_UNMOUNT:
+    return state.set('mounted', false);
+  case COMPOSE_SENSITIVITY_CHANGE:
+    return state.set('sensitive', action.checked);
+  case COMPOSE_SPOILERNESS_CHANGE:
+    return (action.checked ? state : state.set('spoiler_text', '')).set('spoiler', action.checked);
+  case COMPOSE_SPOILER_TEXT_CHANGE:
+    return state.set('spoiler_text', action.text);
+  case COMPOSE_VISIBILITY_CHANGE:
+    return state.set('private', action.checked);
+  case COMPOSE_LISTABILITY_CHANGE:
+    return state.set('unlisted', action.checked);
+  case COMPOSE_CHANGE:
+    return state.set('text', action.text);
+  case COMPOSE_REPLY:
+    return state.withMutations(map => {
+      map.set('in_reply_to', action.status.get('id'));
+      map.set('text', statusToTextMentions(state, action.status));
+    });
+  case COMPOSE_REPLY_CANCEL:
+    return state.withMutations(map => {
+      map.set('in_reply_to', null);
+      map.set('text', '');
+    });
+  case COMPOSE_SUBMIT_REQUEST:
+    return state.set('is_submitting', true);
+  case COMPOSE_SUBMIT_SUCCESS:
+    return clearAll(state);
+  case COMPOSE_SUBMIT_FAIL:
+    return state.set('is_submitting', false);
+  case COMPOSE_UPLOAD_REQUEST:
+    return state.withMutations(map => {
+      map.set('is_uploading', true);
+      map.set('fileDropDate', new Date());
+    });
+  case COMPOSE_UPLOAD_SUCCESS:
+    return appendMedia(state, Immutable.fromJS(action.media));
+  case COMPOSE_UPLOAD_FAIL:
+    return state.set('is_uploading', false);
+  case COMPOSE_UPLOAD_UNDO:
+    return removeMedia(state, action.media_id);
+  case COMPOSE_UPLOAD_PROGRESS:
+    return state.set('progress', Math.round((action.loaded / action.total) * 100));
+  case COMPOSE_MENTION:
+    return state.update('text', text => `${text}@${action.account.get('acct')} `);
+  case COMPOSE_SUGGESTIONS_CLEAR:
+    return state.update('suggestions', Immutable.List(), list => list.clear()).set('suggestion_token', null);
+  case COMPOSE_SUGGESTIONS_READY:
+    return state.set('suggestions', Immutable.List(action.accounts.map(item => item.id))).set('suggestion_token', action.token);
+  case COMPOSE_SUGGESTION_SELECT:
+    return insertSuggestion(state, action.position, action.token, action.completion);
+  case TIMELINE_DELETE:
+    if (action.id === state.get('in_reply_to')) {
+      return state.set('in_reply_to', null);
+    } else {
       return state;
+    }
+  default:
+    return state;
   }
 };
diff --git a/app/assets/stylesheets/components.scss b/app/assets/stylesheets/components.scss
index de6a45963..dee53dcc7 100644
--- a/app/assets/stylesheets/components.scss
+++ b/app/assets/stylesheets/components.scss
@@ -597,21 +597,20 @@
   }
 }
 
-.autosuggest-textarea {
+.autosuggest-textarea, .spoiler-input {
   position: relative;
 }
 
-.autosuggest-textarea__textarea {
+.autosuggest-textarea__textarea, .spoiler-input__input {
   display: block;
   box-sizing: border-box;
   width: 100%;
-  height: 100px;
   resize: none;
+  margin: 0;
   color: $color1;
   padding: 7px;
   font-family: inherit;
   font-size: 14px;
-  margin: 0;
   resize: vertical;
 
   border: 3px dashed transparent;
@@ -622,6 +621,10 @@
   }
 }
 
+.autosuggest-textarea__textarea {
+  height: 100px;
+}
+
 .autosuggest-textarea__suggestions {
   position: absolute;
   top: 100%;
@@ -676,8 +679,42 @@
   }
 }
 
+.spoiler-helper {
+  margin-bottom: -20px !important;
+}
+
+.spoiler {
+  &::before {
+    margin-top: 20px;
+    display: block;
+    content: '';
+  }
+
+  display: inline;
+  cursor: pointer;
+  border-bottom: 1px dashed white;
+  .light & {
+    border-bottom: 1px dashed black;
+  }
+
+  &.spoiler-on {
+    &, & * {
+      color: transparent !important;
+    }
+    background: white;
+    .light & {
+      background: black;
+    }
+
+    .emojione {
+      opacity: 0;
+    }
+  }
+}
+
 @import 'boost';
 
+
 button i.fa-retweet {
   height: 19px;
   width: 22px;
diff --git a/app/assets/stylesheets/stream_entries.scss b/app/assets/stylesheets/stream_entries.scss
index ccae88ec7..2d3cb1436 100644
--- a/app/assets/stylesheets/stream_entries.scss
+++ b/app/assets/stylesheets/stream_entries.scss
@@ -249,6 +249,7 @@
       padding: 5px;
       border-radius: 100px;
       color: rgba($color5, 0.8);
+      z-index: 1;
     }
   }
 
@@ -263,6 +264,7 @@
     flex-direction: column;
     text-align: center;
     transition: all 100ms linear;
+    z-index: 2;
 
     &:hover {
       background: darken($color3, 5%);
diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index c8924ceda..4b095a570 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -57,7 +57,12 @@ class Api::V1::StatusesController < ApiController
   end
 
   def create
-    @status = PostStatusService.new.call(current_user.account, params[:status], params[:in_reply_to_id].blank? ? nil : Status.find(params[:in_reply_to_id]), media_ids: params[:media_ids], sensitive: params[:sensitive], visibility: params[:visibility], application: doorkeeper_token.application)
+    @status = PostStatusService.new.call(current_user.account, params[:status], params[:in_reply_to_id].blank? ? nil : Status.find(params[:in_reply_to_id]), media_ids: params[:media_ids],
+                                                                                                                                                             sensitive: params[:sensitive],
+                                                                                                                                                             spoiler_text: params[:spoiler_text],
+                                                                                                                                                             visibility: params[:visibility],
+                                                                                                                                                             application: doorkeeper_token.application)
+
     render action: :show
   end
 
diff --git a/app/helpers/atom_builder_helper.rb b/app/helpers/atom_builder_helper.rb
index 036a72166..f17b4cc72 100644
--- a/app/helpers/atom_builder_helper.rb
+++ b/app/helpers/atom_builder_helper.rb
@@ -41,8 +41,10 @@ module AtomBuilderHelper
     xml['activity'].send('verb', TagManager::VERBS[verb])
   end
 
-  def content(xml, content)
-    xml.content({ type: 'html' }, content) unless content.blank?
+  def content(xml, content, warning = nil)
+    extra = { type: 'html' }
+    extra[:warning] = warning unless warning.blank?
+    xml.content(extra, content) unless content.blank?
   end
 
   def title(xml, title)
@@ -153,12 +155,20 @@ module AtomBuilderHelper
     portable_contact xml, account
   end
 
+  def rich_content(xml, activity)
+    if activity.is_a?(Status)
+      content xml, conditionally_formatted(activity), activity.spoiler_text
+    else
+      content xml, conditionally_formatted(activity)
+    end
+  end
+
   def include_entry(xml, stream_entry)
     unique_id      xml, stream_entry.created_at, stream_entry.activity_id, stream_entry.activity_type
     published_at   xml, stream_entry.created_at
     updated_at     xml, stream_entry.updated_at
     title          xml, stream_entry.title
-    content        xml, conditionally_formatted(stream_entry.activity)
+    rich_content   xml, stream_entry.activity
     verb           xml, stream_entry.verb
     link_self      xml, account_stream_entry_url(stream_entry.account, stream_entry, format: 'atom')
     link_alternate xml, account_stream_entry_url(stream_entry.account, stream_entry)
diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index 1fa5b83fb..ff2a16f1b 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -14,7 +14,7 @@ class Formatter
 
     html = status.text
     html = encode(html)
-    html = simple_format(html, sanitize: false)
+    html = simple_format(html, {}, sanitize: false)
     html = html.gsub(/\n/, '')
     html = link_urls(html)
     html = link_mentions(html, status.mentions)
diff --git a/app/lib/status_length_validator.rb b/app/lib/status_length_validator.rb
new file mode 100644
index 000000000..55135a598
--- /dev/null
+++ b/app/lib/status_length_validator.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class StatusLengthValidator < ActiveModel::Validator
+  MAX_CHARS = 500
+
+  def validate(status)
+    return unless status.local? && !status.reblog?
+    status.errors.add(:text, I18n.t('statuses.over_character_limit', max: MAX_CHARS)) if [status.text, status.spoiler_text].join.length > MAX_CHARS
+  end
+end
diff --git a/app/models/status.rb b/app/models/status.rb
index d5f52b55c..651d0dbc9 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class Status < ApplicationRecord
+  include ActiveModel::Validations
   include Paginable
   include Streamable
   include Cacheable
@@ -27,8 +28,8 @@ class Status < ApplicationRecord
 
   validates :account, presence: true
   validates :uri, uniqueness: true, unless: 'local?'
-  validates :text, presence: true, length: { maximum: 500 }, if: proc { |s| s.local? && !s.reblog? }
-  validates :text, presence: true, if: proc { |s| !s.local? && !s.reblog? }
+  validates :text, presence: true, unless: 'reblog?'
+  validates_with StatusLengthValidator
   validates :reblog, uniqueness: { scope: :account, message: 'of status already exists' }, if: 'reblog?'
 
   default_scope { order('id desc') }
@@ -174,6 +175,7 @@ class Status < ApplicationRecord
 
   before_validation do
     text.strip!
+    spoiler_text&.strip!
 
     self.reblog                 = reblog.reblog if reblog? && reblog.reblog?
     self.in_reply_to_account_id = (thread.account_id == account_id && thread.reply? ? thread.in_reply_to_account_id : thread.account_id) if reply?
diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index 2779b79b5..005e5acea 100644
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -9,7 +9,7 @@ class FetchLinkCardService < BaseService
 
     response = http_client.get(url)
 
-    return if response.code != 200
+    return if response.code != 200 || response.mime_type != 'text/html'
 
     page = Nokogiri::HTML(response.to_s)
     card = PreviewCard.where(status: status).first_or_initialize(status: status, url: url)
@@ -18,6 +18,8 @@ class FetchLinkCardService < BaseService
     card.description = meta_property(page, 'og:description') || meta_property(page, 'description')
     card.image       = URI.parse(meta_property(page, 'og:image')) if meta_property(page, 'og:image')
 
+    return if card.title.blank?
+
     card.save_with_optional_image!
   end
 
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index 8765ef5e3..91b654603 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -8,14 +8,16 @@ class PostStatusService < BaseService
   # @param [Hash] options
   # @option [Boolean] :sensitive
   # @option [String] :visibility
+  # @option [String] :spoiler_text
   # @option [Enumerable] :media_ids Optional array of media IDs to attach
   # @option [Doorkeeper::Application] :application
   # @return [Status]
   def call(account, text, in_reply_to = nil, options = {})
-    status = account.statuses.create!(text:        text,
-                                      thread:      in_reply_to,
-                                      sensitive:   options[:sensitive],
-                                      visibility:  options[:visibility],
+    status = account.statuses.create!(text: text,
+                                      thread: in_reply_to,
+                                      sensitive: options[:sensitive],
+                                      spoiler_text: options[:spoiler_text],
+                                      visibility: options[:visibility],
                                       application: options[:application])
 
     attach_media(status, options[:media_ids])
diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb
index 84273680d..4576b4321 100644
--- a/app/services/process_feed_service.rb
+++ b/app/services/process_feed_service.rb
@@ -103,6 +103,7 @@ class ProcessFeedService < BaseService
         url: url(entry),
         account: account,
         text: content(entry),
+        spoiler_text: content_warning(entry),
         created_at: published(entry)
       )
 
@@ -223,6 +224,10 @@ class ProcessFeedService < BaseService
       xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS).content
     end
 
+    def content_warning(xml = @xml)
+      xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS)['warning']
+    end
+
     def published(xml = @xml)
       xml.at_xpath('./xmlns:published', xmlns: TagManager::XMLNS).content
     end
diff --git a/app/views/api/v1/statuses/_show.rabl b/app/views/api/v1/statuses/_show.rabl
index a3fc78763..7309a78b8 100644
--- a/app/views/api/v1/statuses/_show.rabl
+++ b/app/views/api/v1/statuses/_show.rabl
@@ -1,4 +1,4 @@
-attributes :id, :created_at, :in_reply_to_id, :sensitive, :visibility
+attributes :id, :created_at, :in_reply_to_id, :sensitive, :spoiler_text, :visibility
 
 node(:uri)              { |status| TagManager.instance.uri_for(status) }
 node(:content)          { |status| Formatter.instance.format(status) }
diff --git a/app/views/stream_entries/_detailed_status.html.haml b/app/views/stream_entries/_detailed_status.html.haml
index bc09d3597..6ee8c9e5b 100644
--- a/app/views/stream_entries/_detailed_status.html.haml
+++ b/app/views/stream_entries/_detailed_status.html.haml
@@ -7,7 +7,10 @@
       %strong.p-name.emojify= display_name(status.account)
       %span.p-nickname= acct(status.account)
 
-  .status__content.e-content.p-name.emojify= Formatter.instance.format(status)
+  .status__content.e-content.p-name.emojify<
+    - unless status.spoiler_text.blank?
+      %p= status.spoiler_text
+    = Formatter.instance.format(status)
 
   - unless status.media_attachments.empty?
     - if status.media_attachments.first.video?
diff --git a/app/views/stream_entries/_simple_status.html.haml b/app/views/stream_entries/_simple_status.html.haml
index eba2f9ac4..95f90abd9 100644
--- a/app/views/stream_entries/_simple_status.html.haml
+++ b/app/views/stream_entries/_simple_status.html.haml
@@ -12,7 +12,10 @@
         %strong.p-name.emojify= display_name(status.account)
         %span.p-nickname= acct(status.account)
 
-  .status__content.e-content.p-name.emojify= Formatter.instance.format(status)
+  .status__content.e-content.p-name.emojify<
+    - unless status.spoiler_text.blank?
+      %p= status.spoiler_text
+    = Formatter.instance.format(status)
 
   - unless status.media_attachments.empty?
     .status__attachments
diff --git a/config/locales/en.yml b/config/locales/en.yml
index f7d7ed729..831fdbc7a 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -93,6 +93,8 @@ en:
     back: Back to Mastodon
     edit_profile: Edit profile
     preferences: Preferences
+  statuses:
+    over_character_limit: character limit of %{max} exceeded
   stream_entries:
     click_to_show: Click to show
     favourited: favourited a post by
diff --git a/db/migrate/20170114014334_add_spoiler_text_to_statuses.rb b/db/migrate/20170114014334_add_spoiler_text_to_statuses.rb
new file mode 100644
index 000000000..e4065d7db
--- /dev/null
+++ b/db/migrate/20170114014334_add_spoiler_text_to_statuses.rb
@@ -0,0 +1,5 @@
+class AddSpoilerTextToStatuses < ActiveRecord::Migration[5.0]
+  def change
+    add_column :statuses, :spoiler_text, :text, default: ""
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3876faa56..0edd68605 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -173,87 +173,6 @@ ActiveRecord::Schema.define(version: 20170123203248) do
     t.index ["status_id"], name: "index_preview_cards_on_status_id", unique: true, using: :btree
   end
 
-  create_table "pubsubhubbub_subscriptions", force: :cascade do |t|
-    t.string   "topic",      default: "",    null: false
-    t.string   "callback",   default: "",    null: false
-    t.string   "mode",       default: "",    null: false
-    t.string   "challenge",  default: "",    null: false
-    t.string   "secret"
-    t.boolean  "confirmed",  default: false, null: false
-    t.datetime "expires_at",                 null: false
-    t.datetime "created_at",                 null: false
-    t.datetime "updated_at",                 null: false
-    t.index ["topic", "callback"], name: "index_pubsubhubbub_subscriptions_on_topic_and_callback", unique: true, using: :btree
-  end
-
-  create_table "push_devices", force: :cascade do |t|
-    t.string   "service",    default: "", null: false
-    t.string   "token",      default: "", null: false
-    t.integer  "account",                 null: false
-    t.datetime "created_at",              null: false
-    t.datetime "updated_at",              null: false
-    t.index ["service", "token"], name: "index_push_devices_on_service_and_token", unique: true, using: :btree
-  end
-
-  create_table "rpush_apps", force: :cascade do |t|
-    t.string   "name",                                null: false
-    t.string   "environment"
-    t.text     "certificate"
-    t.string   "password"
-    t.integer  "connections",             default: 1, null: false
-    t.datetime "created_at",                          null: false
-    t.datetime "updated_at",                          null: false
-    t.string   "type",                                null: false
-    t.string   "auth_key"
-    t.string   "client_id"
-    t.string   "client_secret"
-    t.string   "access_token"
-    t.datetime "access_token_expiration"
-  end
-
-  create_table "rpush_feedback", force: :cascade do |t|
-    t.string   "device_token", limit: 64, null: false
-    t.datetime "failed_at",               null: false
-    t.datetime "created_at",              null: false
-    t.datetime "updated_at",              null: false
-    t.integer  "app_id"
-    t.index ["device_token"], name: "index_rpush_feedback_on_device_token", using: :btree
-  end
-
-  create_table "rpush_notifications", force: :cascade do |t|
-    t.integer  "badge"
-    t.string   "device_token",      limit: 64
-    t.string   "sound",                        default: "default"
-    t.text     "alert"
-    t.text     "data"
-    t.integer  "expiry",                       default: 86400
-    t.boolean  "delivered",                    default: false,     null: false
-    t.datetime "delivered_at"
-    t.boolean  "failed",                       default: false,     null: false
-    t.datetime "failed_at"
-    t.integer  "error_code"
-    t.text     "error_description"
-    t.datetime "deliver_after"
-    t.datetime "created_at",                                       null: false
-    t.datetime "updated_at",                                       null: false
-    t.boolean  "alert_is_json",                default: false
-    t.string   "type",                                             null: false
-    t.string   "collapse_key"
-    t.boolean  "delay_while_idle",             default: false,     null: false
-    t.text     "registration_ids"
-    t.integer  "app_id",                                           null: false
-    t.integer  "retries",                      default: 0
-    t.string   "uri"
-    t.datetime "fail_after"
-    t.boolean  "processing",                   default: false,     null: false
-    t.integer  "priority"
-    t.text     "url_args"
-    t.string   "category"
-    t.boolean  "content_available",            default: false
-    t.text     "notification"
-    t.index ["delivered", "failed"], name: "index_rpush_notifications_multi", where: "((NOT delivered) AND (NOT failed))", using: :btree
-  end
-
   create_table "settings", force: :cascade do |t|
     t.string   "var",        null: false
     t.text     "value"
@@ -276,6 +195,7 @@ ActiveRecord::Schema.define(version: 20170123203248) do
     t.boolean  "sensitive",              default: false
     t.integer  "visibility",             default: 0,     null: false
     t.integer  "in_reply_to_account_id"
+    t.text     "spoiler_text",           default: ""
     t.integer  "application_id"
     t.index ["account_id"], name: "index_statuses_on_account_id", using: :btree
     t.index ["in_reply_to_id"], name: "index_statuses_on_in_reply_to_id", using: :btree