diff --git a/src/components/GifPicker/index.tsx b/src/components/GifPicker/index.tsx
index 699e8b70..87aaabbf 100644
--- a/src/components/GifPicker/index.tsx
+++ b/src/components/GifPicker/index.tsx
@@ -280,19 +280,6 @@ export default function GifPicker({
         </ScrollArea>
       </div>
       <div className="flex flex-col gap-2 border-t pt-2 shrink-0">
-        {isLoggedIn && (
-          <div className="grid gap-1">
-            <Label className="text-xs text-muted-foreground">
-              {t('Description (optional, for search)')}
-            </Label>
-            <Input
-              placeholder={t('e.g. happy birthday, thumbs up')}
-              value={publishDescription}
-              onChange={(e) => setPublishDescription(e.target.value)}
-              className="min-w-0"
-            />
-          </div>
-        )}
         <div className="flex flex-col gap-1.5">
           <Button
             type="button"
@@ -330,6 +317,19 @@ export default function GifPicker({
             </div>
           </div>
         </div>
+        {isLoggedIn && (
+          <div className="grid gap-1">
+            <Label className="text-xs text-muted-foreground">
+              {t('Description (optional, for search)')}
+            </Label>
+            <Input
+              placeholder={t('e.g. happy birthday, thumbs up')}
+              value={publishDescription}
+              onChange={(e) => setPublishDescription(e.target.value)}
+              className="min-w-0"
+            />
+          </div>
+        )}
         {isLoggedIn && (
           <>
             <input
diff --git a/src/components/Note/index.tsx b/src/components/Note/index.tsx
index c51b35eb..22db0e3f 100644
--- a/src/components/Note/index.tsx
+++ b/src/components/Note/index.tsx
@@ -73,10 +73,17 @@ export default function Note({
   const [highlightData, setHighlightData] = useState<HighlightData | undefined>(undefined)
   const [highlightDefaultContent, setHighlightDefaultContent] = useState<string>('')
   const [postEditorOpen, setPostEditorOpen] = useState(false)
+  const [publicMessageTo, setPublicMessageTo] = useState<string | null>(null)
 
   const openHighlight = useCallback((data: HighlightData, eventContent?: string) => {
     setHighlightData(data)
     setHighlightDefaultContent(eventContent ?? '')
+    setPublicMessageTo(null)
+    setPostEditorOpen(true)
+  }, [])
+
+  const openPublicMessage = useCallback((pubkey: string) => {
+    setPublicMessageTo(pubkey)
     setPostEditorOpen(true)
   }, [])
 
@@ -276,7 +283,10 @@ export default function Note({
                   setPostEditorOpen(false)
                   setHighlightData(undefined)
                   setHighlightDefaultContent('')
+                  setPublicMessageTo(null)
                 }}
+                onOpenPublicMessage={openPublicMessage}
+                initialPublicMessageTo={publicMessageTo}
               />
             )}
           </div>
diff --git a/src/components/NoteOptions/index.tsx b/src/components/NoteOptions/index.tsx
index 42a3ef9e..160946a2 100644
--- a/src/components/NoteOptions/index.tsx
+++ b/src/components/NoteOptions/index.tsx
@@ -16,7 +16,9 @@ export default function NoteOptions({
   initialHighlightData,
   highlightDefaultContent,
   isPostEditorOpen,
-  onPostEditorClose
+  onPostEditorClose,
+  onOpenPublicMessage,
+  initialPublicMessageTo
 }: {
   event: Event
   className?: string
@@ -24,6 +26,10 @@ export default function NoteOptions({
   highlightDefaultContent?: string
   isPostEditorOpen?: boolean
   onPostEditorClose?: () => void
+  /** Opens the post editor in public message mode with the given pubkey in the mention list. */
+  onOpenPublicMessage?: (pubkey: string) => void
+  /** When set, the post editor is opened in public message mode with this pubkey pre-filled. */
+  initialPublicMessageTo?: string | null
 }) {
   const { isSmallScreen } = useScreenSize()
   const [isRawEventDialogOpen, setIsRawEventDialogOpen] = useState(false)
@@ -54,7 +60,8 @@ export default function NoteOptions({
     showSubMenuActions,
     setIsRawEventDialogOpen,
     setIsReportDialogOpen,
-    isSmallScreen
+    isSmallScreen,
+    onOpenPublicMessage
   })
 
   const trigger = useMemo(
@@ -105,6 +112,7 @@ export default function NoteOptions({
           }}
           defaultContent={highlightDefaultContent ?? ''}
           initialHighlightData={initialHighlightData}
+          initialPublicMessageTo={initialPublicMessageTo ?? undefined}
         />
       )}
     </div>
diff --git a/src/components/NoteOptions/useMenuActions.tsx b/src/components/NoteOptions/useMenuActions.tsx
index 27d4282c..c01960ae 100644
--- a/src/components/NoteOptions/useMenuActions.tsx
+++ b/src/components/NoteOptions/useMenuActions.tsx
@@ -13,7 +13,7 @@ import { useNostr } from '@/providers/NostrProvider'
 import { BIG_RELAY_URLS, FAST_READ_RELAY_URLS, FAST_WRITE_RELAY_URLS } from '@/constants'
 import client from '@/services/client.service'
 import { nip66Service } from '@/services/nip66.service'
-import { Bell, BellOff, Code, Copy, Link, SatelliteDish, Trash2, TriangleAlert, Pin, FileDown, Globe, BookOpen } from 'lucide-react'
+import { Bell, BellOff, Code, Copy, Link, SatelliteDish, Trash2, TriangleAlert, Pin, FileDown, Globe, BookOpen, MessageCircle } from 'lucide-react'
 import { Event, kinds } from 'nostr-tools'
 import { nip19 } from 'nostr-tools'
 import { useMemo, useState, useEffect, useContext } from 'react'
@@ -46,6 +46,8 @@ interface UseMenuActionsProps {
   setIsRawEventDialogOpen: (open: boolean) => void
   setIsReportDialogOpen: (open: boolean) => void
   isSmallScreen: boolean
+  /** When provided, adds "Send public message" to open composer with this pubkey in the mention list. */
+  onOpenPublicMessage?: (pubkey: string) => void
 }
 
 export function useMenuActions({
@@ -55,6 +57,7 @@ export function useMenuActions({
   setIsRawEventDialogOpen,
   setIsReportDialogOpen,
   isSmallScreen,
+  onOpenPublicMessage,
 }: UseMenuActionsProps) {
   const { t } = useTranslation()
   // Use useContext directly to avoid error if provider is not available
@@ -588,6 +591,18 @@ export function useMenuActions({
           closeDrawer()
         }
       },
+      ...(pubkey && event.pubkey !== pubkey && onOpenPublicMessage
+        ? [
+            {
+              icon: MessageCircle,
+              label: t('Send public message'),
+              onClick: () => {
+                closeDrawer()
+                onOpenPublicMessage(event.pubkey)
+              }
+            } as MenuAction
+          ]
+        : []),
       {
         icon: Link,
         label: t('Share with Jumble'),
diff --git a/src/components/PostEditor/PostContent.tsx b/src/components/PostEditor/PostContent.tsx
index 7111a440..bde3c5d1 100644
--- a/src/components/PostEditor/PostContent.tsx
+++ b/src/components/PostEditor/PostContent.tsx
@@ -67,13 +67,16 @@ export default function PostContent({
   parentEvent,
   close,
   openFrom,
-  initialHighlightData
+  initialHighlightData,
+  initialPublicMessageTo
 }: {
   defaultContent?: string
   parentEvent?: Event
   close: () => void
   openFrom?: string[]
   initialHighlightData?: HighlightData
+  /** When set, opens in public message mode with this pubkey in the mention list. */
+  initialPublicMessageTo?: string
 }) {
   const { t } = useTranslation()
   const { pubkey, publish, checkLogin } = useNostr()
@@ -90,8 +93,10 @@ export default function PostContent({
   const [mentions, setMentions] = useState<string[]>([])
   const [isNsfw, setIsNsfw] = useState(false)
   const [isPoll, setIsPoll] = useState(false)
-  const [isPublicMessage, setIsPublicMessage] = useState(false)
-  const [extractedMentions, setExtractedMentions] = useState<string[]>([])
+  const [isPublicMessage, setIsPublicMessage] = useState(!!initialPublicMessageTo)
+  const [extractedMentions, setExtractedMentions] = useState<string[]>(
+    initialPublicMessageTo ? [initialPublicMessageTo] : []
+  )
   const [isProtectedEvent, setIsProtectedEvent] = useState(false)
   const [additionalRelayUrls, setAdditionalRelayUrls] = useState<string[]>([])
   const [isHighlight, setIsHighlight] = useState(!!initialHighlightData)
@@ -283,7 +288,7 @@ export default function PostContent({
 
   useEffect(() => {
     if (!text) {
-      setExtractedMentions([])
+      if (!initialPublicMessageTo) setExtractedMentions([])
       return
     }
 
@@ -295,7 +300,7 @@ export default function PostContent({
     return () => {
       clearTimeout(timeoutId)
     }
-  }, [text, extractMentionsFromContent])
+  }, [text, extractMentionsFromContent, initialPublicMessageTo])
 
   // Check for private relays availability
   useEffect(() => {
@@ -1533,7 +1538,7 @@ export default function PostContent({
   }
 
   return (
-    <div className="space-y-2">
+    <div className="space-y-2 min-w-0">
       {/* Dynamic Title based on mode */}
       <div className="text-lg font-semibold">
         {(() => {
@@ -2237,8 +2242,8 @@ export default function PostContent({
           mentions={extractedMentions}
         />
       )}
-      <div className="flex items-center justify-between">
-        <div className="flex gap-2 items-center">
+      <div className="flex flex-wrap items-center justify-between gap-2 min-w-0">
+        <div className="flex gap-2 items-center min-w-0 shrink-0">
           {/* Audio button for replies and new PMs - placed before image button */}
           {(parentEvent || isPublicMessage) && (
             <Uploader
@@ -2305,7 +2310,7 @@ export default function PostContent({
             <Settings />
           </Button>
         </div>
-        <div className="flex gap-2 items-center">
+        <div className="flex gap-2 items-center shrink-0">
           <Mentions
             content={text}
             parentEvent={parentEvent}
diff --git a/src/components/PostEditor/index.tsx b/src/components/PostEditor/index.tsx
index de59d3bd..41be9a05 100644
--- a/src/components/PostEditor/index.tsx
+++ b/src/components/PostEditor/index.tsx
@@ -14,6 +14,7 @@ import {
   SheetTitle
 } from '@/components/ui/sheet'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
+import { pubkeyToNpub } from '@/lib/pubkey'
 import postEditor from '@/services/post-editor.service'
 import { Event } from 'nostr-tools'
 import { Dispatch, useMemo } from 'react'
@@ -25,7 +26,8 @@ export default function PostEditor({
   open,
   setOpen,
   openFrom,
-  initialHighlightData
+  initialHighlightData,
+  initialPublicMessageTo
 }: {
   defaultContent?: string
   parentEvent?: Event
@@ -33,13 +35,18 @@ export default function PostEditor({
   setOpen: Dispatch<boolean>
   openFrom?: string[]
   initialHighlightData?: import('./HighlightEditor').HighlightData
+  /** When set, opens in public message mode with this pubkey in the mention list. */
+  initialPublicMessageTo?: string
 }) {
   const { isSmallScreen } = useScreenSize()
 
-  // If initialHighlightData is provided and we're creating a highlight from an event,
-  // we need to pass the event content as defaultContent for the main editor
-  // Note: This is handled separately - we'll pass the event content when opening from menu
-  const effectiveDefaultContent = defaultContent
+  const effectiveDefaultContent = useMemo(() => {
+    if (initialPublicMessageTo) {
+      const npub = pubkeyToNpub(initialPublicMessageTo)
+      return npub ? `nostr:${npub} ` : defaultContent
+    }
+    return defaultContent
+  }, [initialPublicMessageTo, defaultContent])
 
   const content = useMemo(() => {
     return (
@@ -49,15 +56,16 @@ export default function PostEditor({
         close={() => setOpen(false)}
         openFrom={openFrom}
         initialHighlightData={initialHighlightData}
+        initialPublicMessageTo={initialPublicMessageTo}
       />
     )
-  }, [effectiveDefaultContent, parentEvent, openFrom, setOpen, initialHighlightData])
+  }, [effectiveDefaultContent, parentEvent, openFrom, setOpen, initialHighlightData, initialPublicMessageTo])
 
   if (isSmallScreen) {
     return (
       <Sheet open={open} onOpenChange={setOpen}>
         <SheetContent
-          className="h-full w-full p-0 border-none"
+          className="h-full w-full max-w-full p-0 border-none overflow-hidden"
           side="bottom"
           hideClose
           onEscapeKeyDown={(e) => {
@@ -67,8 +75,8 @@ export default function PostEditor({
             }
           }}
         >
-          <ScrollArea className="px-4 h-full max-h-screen" scrollBarClassName="opacity-100">
-            <div className="space-y-4 px-2 py-6">
+          <ScrollArea className="px-4 h-full max-h-screen min-w-0 overflow-x-auto" scrollBarClassName="opacity-100">
+            <div className="space-y-4 px-2 pr-4 py-6 min-w-0">
               <SheetHeader className="sr-only">
                 <SheetTitle>Post Editor</SheetTitle>
                 <SheetDescription>Create a new post or reply</SheetDescription>
@@ -84,7 +92,7 @@ export default function PostEditor({
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogContent
-        className="p-0 max-w-2xl"
+        className="p-0 max-w-2xl w-[calc(100vw-2rem)] sm:w-full overflow-hidden"
         withoutClose
         onEscapeKeyDown={(e) => {
           if (postEditor.isSuggestionPopupOpen) {
@@ -93,8 +101,8 @@ export default function PostEditor({
           }
         }}
       >
-        <ScrollArea className="px-4 h-full max-h-screen" scrollBarClassName="opacity-100">
-          <div className="space-y-4 px-2 py-6">
+        <ScrollArea className="px-4 h-full max-h-screen min-w-0" scrollBarClassName="opacity-100">
+          <div className="space-y-4 px-2 pr-4 py-6 min-w-0">
             <DialogHeader className="sr-only">
               <DialogTitle>Post Editor</DialogTitle>
               <DialogDescription>Create a new post or reply</DialogDescription>
diff --git a/src/components/Profile/index.tsx b/src/components/Profile/index.tsx
index 518a3faa..a6a5e650 100644
--- a/src/components/Profile/index.tsx
+++ b/src/components/Profile/index.tsx
@@ -51,6 +51,7 @@ import ProfileNotes from './ProfileNotes'
 import { toFollowPacks } from '@/lib/link'
 import ZapDialog from '@/components/ZapDialog'
 import PaytoLink from '@/components/PaytoLink'
+import PostEditor from '@/components/PostEditor'
 import type { TProfile } from '@/types'
 
 type ProfileTabValue = 'posts' | 'pins' | 'bookmarks' | 'interests' | 'articles' | 'media' | 'you' | 'notes'
@@ -162,6 +163,7 @@ export default function Profile({ id }: { id?: string }) {
   const { pubkey: accountPubkey } = useNostr()
   const [paymentInfo, setPaymentInfo] = useState<ReturnType<typeof getPaymentInfoFromEvent> | null>(null)
   const [openZapDialog, setOpenZapDialog] = useState(false)
+  const [openPublicMessageTo, setOpenPublicMessageTo] = useState<string | null>(null)
 
   const mergedPaymentMethods = useMemo(() => {
     const list = mergePaymentMethods(paymentInfo, profile ?? null)
@@ -426,7 +428,10 @@ export default function Profile({ id }: { id?: string }) {
         </div>
         <div className="px-4">
           <div className="flex justify-end h-8 gap-2 items-center">
-            <ProfileOptions pubkey={pubkey} />
+            <ProfileOptions
+              pubkey={pubkey}
+              onSendPublicMessage={!isSelf ? () => setOpenPublicMessageTo(pubkey) : undefined}
+            />
             {isSelf ? (
               <div className="flex gap-2">
                 <Button
@@ -760,6 +765,13 @@ export default function Profile({ id }: { id?: string }) {
           />
         )}
       </div>
+      {openPublicMessageTo && (
+        <PostEditor
+          open={!!openPublicMessageTo}
+          setOpen={(open) => !open && setOpenPublicMessageTo(null)}
+          initialPublicMessageTo={openPublicMessageTo}
+        />
+      )}
     </>
   )
 }
diff --git a/src/components/ProfileOptions/index.tsx b/src/components/ProfileOptions/index.tsx
index 9004d4d2..8510e1fc 100644
--- a/src/components/ProfileOptions/index.tsx
+++ b/src/components/ProfileOptions/index.tsx
@@ -8,11 +8,18 @@ import {
 import { pubkeyToNpub } from '@/lib/pubkey'
 import { useMuteList } from '@/providers/MuteListProvider'
 import { useNostr } from '@/providers/NostrProvider'
-import { Bell, BellOff, Copy, Ellipsis } from 'lucide-react'
+import { Bell, BellOff, Copy, Ellipsis, MessageCircle } from 'lucide-react'
 import { useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
 
-export default function ProfileOptions({ pubkey }: { pubkey: string }) {
+export default function ProfileOptions({
+  pubkey,
+  onSendPublicMessage
+}: {
+  pubkey: string
+  /** Opens the post editor in public message mode with this profile's pubkey in the mention list. */
+  onSendPublicMessage?: () => void
+}) {
   const { t } = useTranslation()
   const { pubkey: accountPubkey } = useNostr()
   const { mutePubkeySet, mutePubkeyPrivately, mutePubkeyPublicly, unmutePubkey } = useMuteList()
@@ -28,6 +35,12 @@ export default function ProfileOptions({ pubkey }: { pubkey: string }) {
         </Button>
       </DropdownMenuTrigger>
       <DropdownMenuContent>
+        {onSendPublicMessage && (
+          <DropdownMenuItem onClick={onSendPublicMessage}>
+            <MessageCircle />
+            {t('Send public message')}
+          </DropdownMenuItem>
+        )}
         <DropdownMenuItem
           onClick={() => navigator.clipboard.writeText('nostr:' + pubkeyToNpub(pubkey))}
         >
diff --git a/src/i18n/locales/de.ts b/src/i18n/locales/de.ts
index aba684cb..9af1d876 100644
--- a/src/i18n/locales/de.ts
+++ b/src/i18n/locales/de.ts
@@ -45,6 +45,7 @@ export default {
     Quote: 'Zitat',
     'Copy event ID': 'Ereignis-ID kopieren',
     'Copy user ID': 'Benutzer-ID kopieren',
+    'Send public message': 'Öffentliche Nachricht senden',
     'View raw event': 'Rohdaten anzeigen',
     Like: 'Gefällt mir',
     'switch to light theme': 'Wechsel zum hellen Design',
diff --git a/src/i18n/locales/en.ts b/src/i18n/locales/en.ts
index bc2e3590..70e25bb4 100644
--- a/src/i18n/locales/en.ts
+++ b/src/i18n/locales/en.ts
@@ -45,6 +45,7 @@ export default {
     Quote: 'Quote',
     'Copy event ID': 'Copy event ID',
     'Copy user ID': 'Copy user ID',
+    'Send public message': 'Send public message',
     'View raw event': 'View raw event',
     'View full profile': 'View full profile',
     Like: 'Like',
diff --git a/src/services/indexed-db.service.ts b/src/services/indexed-db.service.ts
index e9e0e233..01129beb 100644
--- a/src/services/indexed-db.service.ts
+++ b/src/services/indexed-db.service.ts
@@ -48,7 +48,7 @@ export const StoreNames = {
 }
 
 /** Schema version we expect. When adding stores or migrations, bump this. */
-const DB_VERSION = 22
+const DB_VERSION = 23
 
 /** Max age for profile and payment info cache before we refetch (5 min). */
 const PROFILE_AND_PAYMENT_CACHE_MAX_AGE_MS = 5 * 60 * 1000