Add-ons

ProfileSwitcher by Paolo "Kaosmos"

It adds some options to launch easily other profiles and the Profile Manager.

Disable Add-on Compatibility Checks by Kris Maglione

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Add-ons Manager Context Menu by Zulkarnain K.

Add more items to Add-ons Manager context menu.

Collector's Note Includes Browse Add-on Directory & Copy ID

Addons Manager Hilite by custom.firefox.lady

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

ViewAbout by Gary Kwong

Enables access to various about: dialogs from the View menu.

Addons Recent Updates by Infocatcher

Show more addons recent updates

Restartless Restart by Erik Vold

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Collector's Note Reported to no longer work with FF 44+. NO Updates since 2013.

No More Install Delay by trlkly

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

Extension Manager Extended by Paul Spangler

Use the Addon Manager to view the id, date installed, compatible application versions, and the folder of an extension or theme. Check http://extended.spanglerco.com for more information and http://firefox.spanglerco.com for more extensions...

Collector's Note Does not work with FF 16.0.2

Restart application by Julien Fray

Restart the application with one click (or Ctrl Shift Z)

More About by Schuzak

Adds "about:" menu and button.

Is It Compatible? by eternicode

**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**

MR Tech Toolkit by mrtech

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Collector's Note It is not recommended to install v6.0.4.9 (beta version found here: http://mrte.ch/toolkit ) after FF 5.x. Use alternatives found here instead. Author's website: http://www.mrtech.com/extensions/#toolkit Discussion forum thread: http://forums.mozillazine.org/viewtopic.php?f=48&t=669795

Multiple Addon Deactivator by ChrisLE

Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time