Removes the Facebook overlay which prompts for login
Do you ever browse Facebook without logging in? Maybe a friend sent you a link and you don't have a Facebook account or you're browsing a page while incognito for some reason. At these times Facebook will annoyingly tell you to log in or sign up.
Facebook Incognito is a browser extension which removes this overlay and let's you browse the pages unhindered.
Facebook Incognito is free (as in freedom) and open-source software. You can audit its code at