Messenger Message Cleaner
Delete all your messages on Facebook Messenger at once! Select messages (or conversations) you wish to delete in bulk mode or select quick mode to delete messages by 10, 100 or even 1000. Free to test on the last 10 messages! This is the fastest way to delete all your messages! Conversations can also be deleted. Extension compliant with 2018 standart. This extension has no relation with Facebook company. Messages can not be restored after deletion. Use at your own risks.