Firefox Revealed: Some Lesser known Firefox Commands

Have you ever heard about Secret Firefox commands or hidden easter eggs inside Firefox ?

Well Firefox  have a special URI (Uniform Resource Identifier) scheme to display internal pages, or built-in functions. These commands start with an "about:" followed something, for example - "about:blank" displays a blank page.

Here is a list of rarely known Firefox Hacks




about:
Display information about Firefox.

about:mozilla 
Display a verse from the fictional Book of Mozilla

 

about:robots

Display some funny facts about Robots

 

about:home

Display home page with a Google search bar.

about:addons

Display the addons page

about:sync-tabs

Display tabs synced from other computers (tab syncing has to be enabled).

about:credits
Display credits in alphabetical order

about:license
Display Mozilla Public License

about:rights
Display licensing information and your rights.

about:logo
Display the logo used on the about: screen.

about:plugins
Display installed, currently enabled plug-ins. 

about:buildconfig
Display the arguments and options used to compile the Firefox build in use.

about:cache
Display information about the data in the browser cache.

about:crashes
Display details of crashes submitted by Mozilla's crash reporter.

about:memory
Display memory usage by Firefox

about:config (use with caution)
Display the Firefox configuration page with a lot of configuration options.

about:support
Display troubleshooting information.

about:privatebrowsing
Switch to private browsing mode

  
about:sessionrestore
 Display an interface for viewing about last session.

about:blocked
Display  the malware protection page used when the browser identifies a page as not safe for viewing.

about:certerror
Display the error page used when an SSL/TLS certificate is untrusted or otherwise invalid.

about:feeds
Display the page used when clicking the rss feed icon in the address bar.

about:neterror
Display  the error page used when the browser could not access the requested path.

about:permissions
Display permissions given by you to different websites, like allowing to store passwords, share your location, allow cookies, open pop-up windows, and maintain offline storage.

Thanks for reading, If you know more, Please let us know through comments.