diff --git a/apps/x/apps/renderer/src/App.tsx b/apps/x/apps/renderer/src/App.tsx
index fc36df68..1137aabe 100644
--- a/apps/x/apps/renderer/src/App.tsx
+++ b/apps/x/apps/renderer/src/App.tsx
@@ -1454,7 +1454,19 @@ function App() {
     setGoogleDocSyncDirection('up')
     markRecentLocalMarkdownWrite(path)
     try {
-      const result = await window.ipc.invoke('google-docs:sync', { path, markdown })
+      let result = await window.ipc.invoke('google-docs:sync', { path, markdown })
+      if (result.conflict) {
+        const overwrite = window.confirm(
+          'This Google Doc changed since your last sync.\n\n' +
+          'Overwrite it with your local version? Cancel to keep the remote copy ' +
+          '(use “Sync down” to pull it first).',
+        )
+        if (!overwrite) {
+          toast.info('Sync up cancelled — remote Google Doc is unchanged')
+          return
+        }
+        result = await window.ipc.invoke('google-docs:sync', { path, markdown, force: true })
+      }
       if (!result.synced) {
         throw new Error(result.error || 'This note is not linked to a Google Doc.')
       }
@@ -5776,6 +5788,7 @@ function App() {
                               googleDoc={linkedGoogleDoc && !isViewingHistory ? {
                                 title: linkedGoogleDoc.title,
                                 isSyncing: isActive ? googleDocSyncDirection : null,
+                                lastSyncedAt: linkedGoogleDoc.syncedAt,
                                 onOpen: () => {
                                   if (linkedGoogleDoc.url) {
                                     window.open(linkedGoogleDoc.url, '_blank')
diff --git a/apps/x/apps/renderer/src/components/editor-toolbar.tsx b/apps/x/apps/renderer/src/components/editor-toolbar.tsx
index b7397376..9bacc158 100644
--- a/apps/x/apps/renderer/src/components/editor-toolbar.tsx
+++ b/apps/x/apps/renderer/src/components/editor-toolbar.tsx
@@ -39,9 +39,11 @@ import {
   DropdownMenu,
   DropdownMenuContent,
   DropdownMenuItem,
+  DropdownMenuLabel,
   DropdownMenuSeparator,
   DropdownMenuTrigger,
 } from '@/components/ui/dropdown-menu'
+import { formatRelativeTime } from '@/lib/relative-time'
 
 interface EditorToolbarProps {
   editor: Editor | null
@@ -56,6 +58,7 @@ interface EditorToolbarProps {
 export interface GoogleDocToolbarState {
   title: string
   isSyncing?: 'up' | 'down' | null
+  lastSyncedAt?: string
   onOpen: () => void
   onSyncDown: () => void
   onSyncUp: () => void
@@ -470,6 +473,12 @@ export function EditorToolbar({
               </Button>
             </DropdownMenuTrigger>
             <DropdownMenuContent align="end">
+              <DropdownMenuLabel className="font-normal text-muted-foreground">
+                {googleDoc.lastSyncedAt
+                  ? `Last synced ${formatRelativeTime(googleDoc.lastSyncedAt)}`
+                  : 'Not synced yet'}
+              </DropdownMenuLabel>
+              <DropdownMenuSeparator />
               <DropdownMenuItem onClick={googleDoc.onOpen}>
                 <GoogleDriveIcon className="size-4 mr-2" />
                 Open Google Doc