To take control of your Facebook messages, go to the You do not have permission to view the full content of this post.Log in or register now. extension page with your Chrome browser and click the Add to Chrome button to install.
Once installed, the extension is activated automatically. Now to delete your Facebook messages with only one click without having to open the individual conversation pages open your Facebook Message page. You will see two extra buttons, one at the top bar and another highlighted in red. Click these buttons to permanently delete your messages and conversations.