diff --git a/ts/components/conversation/CallingNotification.dom.tsx b/ts/components/conversation/CallingNotification.dom.tsx
index 390f21dce2..bd7e923f5d 100644
--- a/ts/components/conversation/CallingNotification.dom.tsx
+++ b/ts/components/conversation/CallingNotification.dom.tsx
@@ -73,6 +73,7 @@ export const CallingNotification: React.FC<PropsType> = React.memo(
           });
         }}
         shouldShowAdditional={false}
+        onDebugMessage={null}
         onDownload={null}
         onEdit={null}
         onReplyToMessage={null}
diff --git a/ts/components/conversation/MessageContextMenu.dom.tsx b/ts/components/conversation/MessageContextMenu.dom.tsx
index 245cfec936..52140a7eef 100644
--- a/ts/components/conversation/MessageContextMenu.dom.tsx
+++ b/ts/components/conversation/MessageContextMenu.dom.tsx
@@ -4,6 +4,7 @@
 import React, { useRef, type ReactNode } from 'react';
 import type { LocalizerType } from '../../types/I18N.std.js';
 import { AxoMenuBuilder } from '../../axo/AxoMenuBuilder.dom.js';
+import { isInternalFeaturesEnabled } from '../../util/isInternalFeaturesEnabled.dom.js';
 
 type MessageContextMenuProps = Readonly<{
   i18n: LocalizerType;
@@ -11,6 +12,7 @@ type MessageContextMenuProps = Readonly<{
   onOpenChange?: (open: boolean) => void;
   disabled?: boolean;
   shouldShowAdditional: boolean;
+  onDebugMessage: (() => void) | null;
   onDownload: (() => void) | null;
   onEdit: (() => void) | null;
   onReplyToMessage: (() => void) | null;
@@ -34,6 +36,7 @@ export function MessageContextMenu({
   onOpenChange,
   disabled,
   shouldShowAdditional,
+  onDebugMessage,
   onDownload,
   onEdit,
   onReplyToMessage,
@@ -162,6 +165,17 @@ export function MessageContextMenu({
             {i18n('icu:retryDeleteForEveryone')}
           </AxoMenuBuilder.Item>
         )}
+        {isInternalFeaturesEnabled() && onDebugMessage && (
+          <>
+            <AxoMenuBuilder.Separator />
+            <AxoMenuBuilder.Group>
+              <AxoMenuBuilder.Label>Internal</AxoMenuBuilder.Label>
+              <AxoMenuBuilder.Item symbol="copy" onSelect={onDebugMessage}>
+                Copy & debug message
+              </AxoMenuBuilder.Item>
+            </AxoMenuBuilder.Group>
+          </>
+        )}
       </AxoMenuBuilder.Content>
     </AxoMenuBuilder.Root>
   );
diff --git a/ts/components/conversation/Quote.dom.stories.tsx b/ts/components/conversation/Quote.dom.stories.tsx
index 82799f91d0..d5fc594cb2 100644
--- a/ts/components/conversation/Quote.dom.stories.tsx
+++ b/ts/components/conversation/Quote.dom.stories.tsx
@@ -112,6 +112,7 @@ const defaultMessageProps: TimelineMessagesProps = {
   isSMS: false,
   isSpoilerExpanded: {},
   isVoiceMessagePlayed: false,
+  handleDebugMessage: action('debugMessage'),
   toggleSelectMessage: action('toggleSelectMessage'),
   cancelAttachmentDownload: action('default--cancelAttachmentDownload'),
   kickOffAttachmentDownload: action('default--kickOffAttachmentDownload'),
diff --git a/ts/components/conversation/Timeline.dom.stories.tsx b/ts/components/conversation/Timeline.dom.stories.tsx
index 9e25aaf7b8..7032fd6c84 100644
--- a/ts/components/conversation/Timeline.dom.stories.tsx
+++ b/ts/components/conversation/Timeline.dom.stories.tsx
@@ -374,6 +374,7 @@ const renderItem = ({
     containerWidthBreakpoint={containerWidthBreakpoint}
     conversationId=""
     item={items[messageId]}
+    handleDebugMessage={action('handleDebugMessage')}
     renderAudioAttachment={() => <div>*AudioAttachment*</div>}
     renderContact={() => <div>*ContactName*</div>}
     renderReactionPicker={() => <div />}
diff --git a/ts/components/conversation/TimelineItem.dom.stories.tsx b/ts/components/conversation/TimelineItem.dom.stories.tsx
index c74011bbfd..698209c5fe 100644
--- a/ts/components/conversation/TimelineItem.dom.stories.tsx
+++ b/ts/components/conversation/TimelineItem.dom.stories.tsx
@@ -50,6 +50,7 @@ const getDefaultProps = () => ({
   interactionMode: 'keyboard' as const,
   theme: ThemeType.light,
   platform: 'darwin',
+  handleDebugMessage: action('handleDebugMessage'),
   targetMessage: action('targetMessage'),
   toggleSelectMessage: action('toggleSelectMessage'),
   endPoll: action('endPoll'),
diff --git a/ts/components/conversation/TimelineMessage.dom.stories.tsx b/ts/components/conversation/TimelineMessage.dom.stories.tsx
index dff3ad4db2..53e2f9d94d 100644
--- a/ts/components/conversation/TimelineMessage.dom.stories.tsx
+++ b/ts/components/conversation/TimelineMessage.dom.stories.tsx
@@ -268,6 +268,7 @@ const createProps = (overrideProps: Partial<Props> = {}): Props => ({
   expirationTimestamp: overrideProps.expirationTimestamp ?? 0,
   getPreferredBadge: overrideProps.getPreferredBadge || (() => undefined),
   giftBadge: overrideProps.giftBadge,
+  handleDebugMessage: action('handleDebugMessage'),
   i18n,
   platform: 'darwin',
   id: overrideProps.id ?? 'random-message-id',
diff --git a/ts/components/conversation/TimelineMessage.dom.tsx b/ts/components/conversation/TimelineMessage.dom.tsx
index 4c3a459d59..5f812252cf 100644
--- a/ts/components/conversation/TimelineMessage.dom.tsx
+++ b/ts/components/conversation/TimelineMessage.dom.tsx
@@ -86,6 +86,7 @@ export type PropsActions = {
     messageId: string,
     isPinningDisappearingMessage: boolean
   ) => void;
+  handleDebugMessage: () => void;
 } & Omit<MessagePropsActions, 'onToggleSelect' | 'onReplyToMessage'>;
 
 export type Props = PropsData &
@@ -125,6 +126,7 @@ export function TimelineMessage(props: Props): React.JSX.Element {
     copyMessageText,
     endPoll,
     expirationLength,
+    handleDebugMessage,
     onPinnedMessageRemove,
     pushPanelForConversation,
     reactToMessage,
@@ -367,6 +369,7 @@ export function TimelineMessage(props: Props): React.JSX.Element {
               args: { messageId: id },
             })
           }
+          onDebugMessage={handleDebugMessage}
         >
           {children}
         </MessageContextMenu>
@@ -383,6 +386,7 @@ export function TimelineMessage(props: Props): React.JSX.Element {
       canRetryDeleteForEveryone,
       conversationId,
       copyMessageText,
+      handleDebugMessage,
       handleDownload,
       handleReact,
       handleOpenPinMessageDialog,
diff --git a/ts/state/smart/TimelineItem.preload.tsx b/ts/state/smart/TimelineItem.preload.tsx
index e1a6804ac2..20ef986479 100644
--- a/ts/state/smart/TimelineItem.preload.tsx
+++ b/ts/state/smart/TimelineItem.preload.tsx
@@ -41,6 +41,8 @@ import { renderReactionPicker } from './renderReactionPicker.dom.js';
 import type { MessageRequestState } from '../../components/conversation/MessageRequestActionsConfirmation.dom.js';
 import { TargetedMessageSource } from '../ducks/conversationsEnums.std.js';
 import type { MessageInteractivity } from '../../components/conversation/Message.dom.js';
+import { DataReader } from '../../sql/Client.preload.js';
+import { isInternalFeaturesEnabled } from '../../util/isInternalFeaturesEnabled.dom.js';
 
 export type SmartTimelineItemProps = {
   containerElementRef: RefObject<HTMLElement>;
@@ -195,6 +197,18 @@ export const SmartTimelineItem = memo(function SmartTimelineItem(
     [conversationId, toggleMessageRequestActionsConfirmation]
   );
 
+  const handleDebugMessage = useCallback(async () => {
+    if (!isInternalFeaturesEnabled()) {
+      return;
+    }
+    const message = await DataReader.getMessageById(messageId);
+    // eslint-disable-next-line no-console
+    console.debug(message);
+    await window.navigator.clipboard.writeText(
+      JSON.stringify(message, null, 2)
+    );
+  }, [messageId]);
+
   return (
     <TimelineItem
       item={item}
@@ -235,6 +249,7 @@ export const SmartTimelineItem = memo(function SmartTimelineItem(
       endPoll={endPoll}
       reactToMessage={reactToMessage}
       copyMessageText={copyMessageText}
+      handleDebugMessage={handleDebugMessage}
       onOpenEditNicknameAndNoteModal={onOpenEditNicknameAndNoteModal}
       onOpenMessageRequestActionsConfirmation={
         onOpenMessageRequestActionsConfirmation