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Multiple Addon Deactivator Requires Restart
Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time
History Janitor Requires Restart
Firefox does not give an option to remove the oldest entries from the history. History Janitor automatically purges history entries on Firefox startup. The user is allowed to specify a number of days. Everything older than this number is deleted!
GPO support For Firefox and Thunderbird
For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
AastraClickToCall Requires Restart
Converts telephone numbers into clickable links for use with Aastra IP Phones
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.
Toggle Development Profile Prefs
Toggles Development Profile Preferences On When Enabled And Off When Disabled.
WebODF
Viewer for OpenDocument Format office files. It can display documents saved from LibreOffice, OpenOffice, Calligra, Abiword, Microsoft Word, Excel, PowerPoint. The documents should be saved in the OpenDocument Format.
Open RegEdit Key
[WINDOWS ONLY] Open selected registry key directly in the registry editor from context menu.
Diagnostics for Adblock Plus
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
wmlbrowser Requires Restart
Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.
Keyfixer Requires Restart
(Note: Version 0.5.34 has been updated to work with Firefox 34)
Keyfixer patches the key bindings for Mac OS X users of Firefox and Thunderbird to match the key bindings of Windows
Couch Managers Mock Draft Monitor Requires Restart
Follow your slow CouchManagers mock draft from your status bar. Keep track of the draft progress and know right when you're on the clock.
To create your own collections, you must have a Mozilla Add-ons account.