diff --git a/app/javascript/flavours/glitch/features/compose/components/compose_form.jsx b/app/javascript/flavours/glitch/features/compose/components/compose_form.jsx
index ac5ff73928985d..eb28379f0abb8a 100644
--- a/app/javascript/flavours/glitch/features/compose/components/compose_form.jsx
+++ b/app/javascript/flavours/glitch/features/compose/components/compose_form.jsx
@@ -33,6 +33,7 @@ import { FederationButton } from './federation_button';
 import { NavigationBar } from './navigation_bar';
 import { PollForm } from "./poll_form";
 import { ReplyIndicator } from './reply_indicator';
+import { SecondaryPrivacyButton } from './secondary_privacy_button';
 import { ThreadModeButton } from './thread_mode_button';
 
 const allowedAroundShortCode = '><\u0085\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029\u0009\u000a\u000b\u000c\u000d';
@@ -53,6 +54,7 @@ class ComposeForm extends ImmutablePureComponent {
     spoiler: PropTypes.bool,
     spoilerAlwaysOn: PropTypes.bool,
     privacy: PropTypes.string,
+    sideArm: PropTypes.string,
     spoilerText: PropTypes.string,
     focusDate: PropTypes.instanceOf(Date),
     caretPosition: PropTypes.number,
@@ -100,6 +102,10 @@ class ComposeForm extends ImmutablePureComponent {
     if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
       this.handleSubmit();
     }
+
+    if (e.keyCode === 13 && e.altKey) {
+      this.handleSecondarySubmit();
+    }
   };
 
   getFulltextForCharacterCounting = () => {
@@ -132,6 +138,11 @@ class ComposeForm extends ImmutablePureComponent {
     }
   };
 
+  handleSecondarySubmit = () => {
+    const { sideArm } = this.props;
+    this.handleSubmit(null, sideArm === 'none' ? null : sideArm);
+  };
+
   onSuggestionsClearRequested = () => {
     this.props.onClearSuggestions();
   };
@@ -310,6 +321,7 @@ class ComposeForm extends ImmutablePureComponent {
               </div>
 
               <div className='compose-form__submit'>
+                <SecondaryPrivacyButton privacy={this.props.sideArm} isEditing={this.props.isEditing} onClick={this.handleSecondarySubmit} />
                 <Button
                   type='submit'
                   text={intl.formatMessage(this.props.isEditing ? messages.saveChanges : (this.props.isInReply ? messages.reply : messages.publish))}
diff --git a/app/javascript/flavours/glitch/features/compose/components/secondary_privacy_button.jsx b/app/javascript/flavours/glitch/features/compose/components/secondary_privacy_button.jsx
new file mode 100644
index 00000000000000..d69816d16e9dd7
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/compose/components/secondary_privacy_button.jsx
@@ -0,0 +1,44 @@
+import PropTypes from 'prop-types';
+
+import { useIntl, defineMessages } from 'react-intl';
+
+import LockIcon from '@/material-icons/400-24px/lock.svg?react';
+import MailIcon from '@/material-icons/400-24px/mail.svg?react';
+import PublicIcon from '@/material-icons/400-24px/public.svg?react';
+import QuietTimeIcon from '@/material-icons/400-24px/quiet_time.svg?react';
+import { Button } from 'flavours/glitch/components/button';
+import { Icon } from 'flavours/glitch/components/icon';
+
+const messages = defineMessages({
+  public: { id: 'privacy.public.short', defaultMessage: 'Public' },
+  unlisted: { id: 'privacy.unlisted.short', defaultMessage: 'Quiet public' },
+  private: { id: 'privacy.private.short', defaultMessage: 'Followers' },
+  direct: { id: 'privacy.direct.short', defaultMessage: 'Specific people' },
+});
+
+export const SecondaryPrivacyButton = ({ privacy, isEditing, onClick }) => {
+  const intl = useIntl();
+
+  if (isEditing || !privacy || privacy === 'none') {
+    return null;
+  }
+
+  const privacyProps = {
+    direct: { icon: 'envelope', iconComponent: MailIcon, title: messages.direct },
+    private: { icon: 'lock', iconComponent: LockIcon, title: messages.private },
+    public: { icon: 'globe', iconComponent: PublicIcon, title: messages.public },
+    unlisted: { icon: 'unlock', iconComponent: QuietTimeIcon, title: messages.unlisted },
+  };
+
+  return (
+    <Button onClick={onClick} text={intl.formatMessage(privacyProps[privacy].title)}>
+      <Icon id={privacyProps[privacy].id} icon={privacyProps[privacy].iconComponent} />
+    </Button>
+  );
+};
+
+SecondaryPrivacyButton.propTypes = {
+  privacy: PropTypes.string,
+  isEditing: PropTypes.bool,
+  onClick: PropTypes.func.isRequired,
+};
diff --git a/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js b/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
index 0d9df213bd7373..a371606bee0af5 100644
--- a/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
+++ b/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
@@ -1,5 +1,7 @@
 import { connect } from 'react-redux';
 
+import { privacyPreference } from 'flavours/glitch/utils/privacy_preference';
+
 import {
   changeCompose,
   submitCompose,
@@ -12,6 +14,23 @@ import {
 } from '../../../actions/compose';
 import ComposeForm from '../components/compose_form';
 
+const sideArmPrivacy = state => {
+  const inReplyTo = state.getIn(['compose', 'in_reply_to']);
+  const replyPrivacy = inReplyTo ? state.getIn(['statuses', inReplyTo, 'visibility']) : null;
+  const sideArmBasePrivacy = state.getIn(['local_settings', 'side_arm']);
+  const sideArmRestrictedPrivacy = replyPrivacy ? privacyPreference(replyPrivacy, sideArmBasePrivacy) : null;
+  let sideArmPrivacy = null;
+  switch (state.getIn(['local_settings', 'side_arm_reply_mode'])) {
+  case 'copy':
+    sideArmPrivacy = replyPrivacy;
+    break;
+  case 'restrict':
+    sideArmPrivacy = sideArmRestrictedPrivacy;
+    break;
+  }
+  return sideArmPrivacy || sideArmBasePrivacy;
+};
+
 const mapStateToProps = state => ({
   text: state.getIn(['compose', 'text']),
   suggestions: state.getIn(['compose', 'suggestions']),
@@ -30,6 +49,7 @@ const mapStateToProps = state => ({
   anyMedia: state.getIn(['compose', 'media_attachments']).size > 0,
   isInReply: state.getIn(['compose', 'in_reply_to']) !== null,
   lang: state.getIn(['compose', 'language']),
+  sideArm: sideArmPrivacy(state),
 });
 
 const mapDispatchToProps = (dispatch) => ({