Unsender for Facebook

About

Unsender for Facebook lets you bulk-unsend every message you've ever sent in any Facebook Messenger conversation automatically.

  HOW IT WORKS
  1. Open a Messenger conversation on facebook.com or messenger.com
  2. Click the extension icon
  3. Set your preferred delay (default 3–7 seconds)
  4. Click "Start Unsending"
  The extension scrolls through your entire chat history, finds your messages, and unsends them one by one.

  FEATURES
  • One-click unsend — Start the process and walk away
  • Smart scrolling — Automatically loads your full chat history
  • Only your messages — Never touches the other person's messages
  • Configurable delays — Set min/max delay to avoid rate limits
  • Live progress overlay — Real-time counter shown on the page
  • Works on both facebook.com/messages and messenger.com
  • Multi-language — Works in English, French, German, Spanish, Portuguese, Turkish, Dutch, Russian, and Arabic

  PRIVACY & SECURITY
  • No data collection — nothing is stored or sent anywhere
  • Runs 100% locally in your browser
  • Minimal permissions — only what's needed to function
  • Open source

  FAQ
  Q: Will this delete the other person's messages?
  A: No. Only your sent messages are unsent.

  Q: Can the other person see that I unsent messages?
  A: Facebook does not send notifications for unsent messages, but the message disappears from both sides.

  Q: Does it work with group chats?
  A: Yes — it only unsends your own messages within the group.

  Q: How fast is it?
  A: With default settings (3–7s delay), roughly 8–15 messages per minute.

  DISCLAIMER
  This extension interacts with Facebook's web interface. Using automation tools may violate Facebook's Terms of Service. Use at your own risk. Use reasonable delay settings (3+ seconds) to minimize risk.