Here is List of Browser extension that don’t do what they Say.
- Chrome : Facebook Fast Delete Messages [This extension no more works,and developer of extension never provided an update for his extension] Extension have 1+ Lakhs of users.
- Firefox : Facebook – Delete All Messages [This extension no more works] User base for this extension is 2,300+
And the top result that comes for how to delete all Facebook message at once, they all have used above one of extension to demonstrate the tutorial. More of them have disabled option to comment on there post so that no visitor can complain about problem.
Here is Blog by Hongkiant one of the known technology blog, had written article on same topic that doesn’t work and also, they have disabled comment option to comment, so that no user can complain.
Because if visitor will comment trick is not working this will harm there website SEO.
Here is Link to Hongkiant article that is not working.
So Here is link to article that will Help you delete all Facebook message at once, and help you make your Facebook inbox clean quikly with few clicks.