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About:about Button

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 4 out of 5 stars (3)
284 users

about:accessibilityenabled Requires Restart

An about page, about:accessibilityenabled, to show whether accessibility API support is...

Rated 1 out of 5 stars (2)
63 users

about:addons Button Requires Restart

Toolbar button to launch the Addon Manager

Rated 4 out of 5 stars (11)
228 users

about:addons Launcher Requires Restart

Simple lightweight add-on that provides one click access to the Add-ons Manager via a toolbar button.

Rated 4 out of 5 stars (13)
1,473 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (123)
28,826 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (19)
7,117 users

about:config Button

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.

Rated 5 out of 5 stars (3)
2,702 users

about:cvrcek Requires Restart

Adds about:cvrcek page.

Rated 4 out of 5 stars (5)
5 users

About:IceCream Requires Restart

Everyone needs a little ice cream

Rated 3 out of 5 stars (15)
4 users

about:jank

Find the jank
https://github.com/jrmuizel/about-jank

Rated 2 out of 5 stars (1)
23 users

about:kitchensink Requires Restart

Adds about:kitchensink

Rated 3 out of 5 stars (4)
3 users

about:kittens Requires Restart

Baby cats and kittens in the about box...

Rated 5 out of 5 stars (6)
20 users

about:me

The about:me page provides a fun way to see personalized patterns and trends in browsing history.

Rated 4 out of 5 stars (63)
1,953 users

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...

Not yet rated
1 user

about:media

Adds an about:media page that provides debugging information about media elements in Firefox.

Not yet rated
74 users

about:NewTab Requires Restart

Replace the default blank "New Tab" with a helpful Firefox builtin page "about:about".

Rated 4 out of 5 stars (1)
24 users

about:newtab Context Menu

Add new context menu on about:newtab page to modify link title and URL.

Rated 4 out of 5 stars (2)
47 users

about:synckey

View your Sync Key on your mobile device to set up Sync on a desktop computer.

Rated 2 out of 5 stars (2)
43 users

aboutab

Configura "about:newtab" a tu gusto, y entre otras cosas quita el cuadro de búsquedas en Firefox 31.

Rated 5 out of 5 stars (2)
116 users

aboutab-next Requires Restart

Recupera la antigua "about:newtab" en Firefox 31 y modifícala a tu gusto.

Rated 5 out of 5 stars (1)
5 users