If you are tired of deleting your Facebook messages on by one then here is a solution for you now you don’t have to delete your Facebook message on by one you can delete all your Facebook messages just by a single click.
How to do this: Open your chrome browser and then just click here and download this Google chrome extension into your google chrome.
Now after installing it open your chrome browser and go to your Facebook account then click on message now you will see a new option saying ‘Delete all message with one click’ to delete all message at once click that option and your all Facebook messages will be deleted from your Facebook account.