diff --git a/.env.example b/.env.example
deleted file mode 100644
index b116e6d40..000000000
--- a/.env.example
+++ /dev/null
@@ -1,3 +0,0 @@
-NODE_ENV=development
-# BACKEND_URL="https://example.com"
-# PROXY_HTTPS_INSECURE=false
diff --git a/app/soapbox/actions/compose.js b/app/soapbox/actions/compose.js
index bd91daaae..15a5bb94a 100644
--- a/app/soapbox/actions/compose.js
+++ b/app/soapbox/actions/compose.js
@@ -164,6 +164,34 @@ export function submitCompose(routerHistory, group) {
   return function(dispatch, getState) {
     if (!isLoggedIn(getState)) return;
 
+    function onModalSubmitCompose () {
+      dispatch(submitComposeRequest());
+      dispatch(closeModal());
+  
+      api(getState).post('/api/v1/statuses', {
+        status,
+        in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
+        media_ids: media.map(item => item.get('id')),
+        sensitive: getState().getIn(['compose', 'sensitive']),
+        spoiler_text: getState().getIn(['compose', 'spoiler_text'], ''),
+        visibility: getState().getIn(['compose', 'privacy']),
+        content_type: getState().getIn(['compose', 'content_type']),
+        poll: getState().getIn(['compose', 'poll'], null),
+        scheduled_at: getState().getIn(['compose', 'schedule'], null),
+      }, {
+        headers: {
+          'Idempotency-Key': getState().getIn(['compose', 'idempotencyKey']),
+        },
+      }).then(function(response) {
+        if (response.data.visibility === 'direct' && getState().getIn(['conversations', 'mounted']) <= 0 && routerHistory) {
+          routerHistory.push('/messages');
+        }
+        handleComposeSubmit(dispatch, getState, response, status);
+      }).catch(function(error) {
+        dispatch(submitComposeFail(error));
+      });
+    }
+
     const status = getState().getIn(['compose', 'text'], '');
     const media  = getState().getIn(['compose', 'media_attachments']);
 
@@ -171,31 +199,14 @@ export function submitCompose(routerHistory, group) {
       return;
     }
 
-    dispatch(submitComposeRequest());
-    dispatch(closeModal());
+    const missingDescriptionModal = getSettings(getState()).get('missingDescriptionModal');
 
-    api(getState).post('/api/v1/statuses', {
-      status,
-      in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
-      media_ids: media.map(item => item.get('id')),
-      sensitive: getState().getIn(['compose', 'sensitive']),
-      spoiler_text: getState().getIn(['compose', 'spoiler_text'], ''),
-      visibility: getState().getIn(['compose', 'privacy']),
-      content_type: getState().getIn(['compose', 'content_type']),
-      poll: getState().getIn(['compose', 'poll'], null),
-      scheduled_at: getState().getIn(['compose', 'schedule'], null),
-    }, {
-      headers: {
-        'Idempotency-Key': getState().getIn(['compose', 'idempotencyKey']),
-      },
-    }).then(function(response) {
-      if (response.data.visibility === 'direct' && getState().getIn(['conversations', 'mounted']) <= 0 && routerHistory) {
-        routerHistory.push('/messages');
-      }
-      handleComposeSubmit(dispatch, getState, response, status);
-    }).catch(function(error) {
-      dispatch(submitComposeFail(error));
-    });
+    if (missingDescriptionModal && media.filter(item => !item.get('description')).size) {
+      dispatch(openModal('MISSING_DESCRIPTION', {
+        some: media.filter(item => !item.get('description')).size !== media.size,
+        onContinue: () => onModalSubmitCompose(),
+      }));
+    } else onModalSubmitCompose();
   };
 };
 
diff --git a/app/soapbox/actions/settings.js b/app/soapbox/actions/settings.js
index d3d572715..d857fd1e9 100644
--- a/app/soapbox/actions/settings.js
+++ b/app/soapbox/actions/settings.js
@@ -21,6 +21,7 @@ export const defaultSettings = ImmutableMap({
   unfollowModal: false,
   boostModal: false,
   deleteModal: true,
+  missingDescriptionModal: false,
   defaultPrivacy: 'public',
   defaultContentType: 'text/plain',
   themeMode: 'light',
diff --git a/app/soapbox/features/preferences/index.js b/app/soapbox/features/preferences/index.js
index dd1072c49..ad3ccc4f7 100644
--- a/app/soapbox/features/preferences/index.js
+++ b/app/soapbox/features/preferences/index.js
@@ -202,6 +202,10 @@ class Preferences extends ImmutablePureComponent {
               label={<FormattedMessage id='preferences.fields.delete_modal_label' defaultMessage='Show confirmation dialog before deleting a post' />}
               path={['deleteModal']}
             />
+            <SettingsCheckbox
+              label={<FormattedMessage id='preferences.fields.missing_description_modal_label' defaultMessage='Show confirmation dialog before sending a post without media description' />}
+              path={['missingDescriptionModal']}
+            />
           </FieldsGroup>
 
           <FieldsGroup>
diff --git a/app/soapbox/features/ui/components/missing_description_modal.js b/app/soapbox/features/ui/components/missing_description_modal.js
new file mode 100644
index 000000000..f00cddbe9
--- /dev/null
+++ b/app/soapbox/features/ui/components/missing_description_modal.js
@@ -0,0 +1,56 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { injectIntl, FormattedMessage } from 'react-intl';
+import Button from '../../../components/button';
+
+export default @injectIntl
+class MissingDescriptionModal extends React.PureComponent {
+
+  static propTypes = {
+    some: PropTypes.bool,
+    onClose: PropTypes.func,
+    onContinue: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleContinue = () => {
+    this.props.onClose();
+    this.props.onContinue();
+  }
+
+  handleCancel = () => {
+    this.props.onClose();
+  }
+
+  setRef = (c) => {
+    this.button = c;
+  }
+
+  render() {
+    const { some } = this.props;
+
+    return (
+      <div className='modal-root__modal confirmation-modal'>
+        <div className='confirmation-modal__container'>
+          {some
+            ? <FormattedMessage id='missing_description_modal.some' defaultMessage='Some of media you are going to post lacks media description. Are you sure you want to continue?' />
+            : <FormattedMessage id='missing_description_modal.all' defaultMessage='You are about to post undescribed media. Are you sure you want to continue?' />}
+        </div>
+
+        <div className='confirmation-modal__action-bar'>
+          <Button onClick={this.handleCancel} className='confirmation-modal__cancel-button' ref={this.setRef}>
+            <FormattedMessage id='missing_description_modal.cancel' defaultMessage='Cancel' />
+          </Button>
+          <Button onClick={this.handleContinue}>
+            <FormattedMessage id='missing_description_modal.continue' defaultMessage='Continue' />
+          </Button>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/soapbox/features/ui/components/modal_root.js b/app/soapbox/features/ui/components/modal_root.js
index b3f7f8681..657df1a26 100644
--- a/app/soapbox/features/ui/components/modal_root.js
+++ b/app/soapbox/features/ui/components/modal_root.js
@@ -9,6 +9,7 @@ import MediaModal from './media_modal';
 import VideoModal from './video_modal';
 import BoostModal from './boost_modal';
 import ConfirmationModal from './confirmation_modal';
+import MissingDescriptionModal from './missing_description_modal';
 import FocalPointModal from './focal_point_modal';
 import HotkeysModal from './hotkeys_modal';
 import ComposeModal from './compose_modal';
@@ -28,6 +29,7 @@ const MODAL_COMPONENTS = {
   'VIDEO': () => Promise.resolve({ default: VideoModal }),
   'BOOST': () => Promise.resolve({ default: BoostModal }),
   'CONFIRM': () => Promise.resolve({ default: ConfirmationModal }),
+  'MISSING_DESCRIPTION': () => Promise.resolve({ default: MissingDescriptionModal }),
   'MUTE': MuteModal,
   'REPORT': ReportModal,
   'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
diff --git a/app/soapbox/locales/pl.json b/app/soapbox/locales/pl.json
index 42c75dd6b..1c820b85f 100644
--- a/app/soapbox/locales/pl.json
+++ b/app/soapbox/locales/pl.json
@@ -421,6 +421,10 @@
   "mfa.setup_otp_title": "Wyłączono OTP",
   "mfa.setup_recoverycodes": "Kody przywracania",
   "mfa.setup_warning": "Zapisz te kody gdzieś w bezpiecznym miejscu – jeżeli tego nie zrobisz, już ich nie zobaczysz. Jeśli utracisz dostęp do aplikacji 2FA i tych kodów, stracisz dostęp do swojego konta.",
+  "missing_description_modal.all": "Zamierzasz opublikować media, które nie zawierają opisu. Czy na pewno chcesz kontynuować?",
+  "missing_description_modal.cancel": "Anuluj",
+  "missing_description_modal.continue": "Kontynuuj",
+  "missing_description_modal.some": "Niektóre media które zamierzasz opublikować nie zawierają opisu. Czy na pewno chcesz kontynuować?",
   "missing_indicator.label": "Nie znaleziono",
   "missing_indicator.sublabel": "Nie można odnaleźć tego zasobu",
   "morefollows.followers_label": "…i {count} więcej {count, plural, one {obserwujący(-a)} few {obserwujących} many {obserwujących} other {obserwujących}} na zdalnych stronach.",
@@ -497,6 +501,7 @@
   "preferences.fields.halloween_label": "Tryb Halloween",
   "preferences.fields.language_label": "Język",
   "preferences.fields.media_display_label": "Wyświetlanie zawartości multimedialnej",
+  "preferences.fields.missing_description_modal_label": "Pytaj o potwierdzenie przed wysłaniem zawartości multimedialnej bez opisu",
   "preferences.fields.privacy_label": "Prywatność wpisów",
   "preferences.fields.reduce_motion_label": "Ogranicz ruch w animacjach",
   "preferences.fields.system_font_label": "Używaj domyślnej czcionki systemu",