It will automatically Delete your All Messenger Spam Chats on Facebook
Download the extension:
*(Watch the video)
Note: Change your language to English (US)
1- Click on the extension icon
2- Follow the "1st Step" to load your chat list
3- Follow the "2nd Step" to load Spam Chat list
4- Type your limit in the input
5- Click the button (Delete All Spam)
6- Enjoy!