Extensions by Name
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
about:accessibilityenabled Requires Restart
An about page, about:accessibilityenabled, to show whether accessibility API support is...
about:addons Button Requires Restart
Toolbar button to launch the Addon Manager
about:addons Launcher Requires Restart
Simple lightweight add-on that provides one click access to the Add-ons Manager via a toolbar button.
Adds an about:addons-memory page that details add-on memory usage
Adds a new page that shows add-on memory usage
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
about:cvrcek Requires Restart
Adds about:cvrcek page.
About:IceCream Requires Restart
Everyone needs a little ice cream
about:kitchensink Requires Restart
about:kittens Requires Restart
Baby cats and kittens in the about box...
The about:me page provides a fun way to see personalized patterns and trends in browsing history.
about:me Requires Restart
The about:me page provides a fun way to see personalized patterns in browser usage, \n including trends in browsing history and download activity. \n Also displays information about installed themes/extensions, open tabs, and geolocatio...
Adds an about:media page that provides debugging information about media elements in Firefox.
about:NewTab Requires Restart
Replace the default blank "New Tab" with a helpful Firefox builtin page "about:about".
Add new context menu on about:newtab page to modify link title and URL.
View your Sync Key on your mobile device to set up Sync on a desktop computer.
Configura "about:newtab" a tu gusto, y entre otras cosas quita el cuadro de búsquedas en Firefox 31.