Add-ons
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Environment Proxy
Requires Restart
Sets proxy settings from environment variables.
Force Addon Status
Requires Restart
Provides ability to change status of specific addon (enabled/disabled).
Text size toolbar
Requires Restart
Adds text size buttons to the toolbar. This has now been superseded by the Zoom toolbar https://addons.mozilla.org/en-US/firefox/addon/6118
Force RTL
XPCOMViewer
Requires Restart
XPCOMViewer is tiny tool for exploring XPCOM components.
Periodic Memory Usage Dumper
Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.
SJCall
Requires Restart
SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...
Is It Compatible?
Requires Restart
**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox?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**
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
Extension Test
Requires Restart
A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.
KarClient
Requires Restart
By installing this plugin you will be able to record and playback songs at kSolo.com...
InfoLister
Requires Restart
Lists installed add-ons (extensions, themes, plugins). Mozilla does not allow me to publish the version compatible with Firefox 48+, see http://forums.mozillazine.org/viewtopic.php?f=48&t=2084957&p=14715558#p14715558 for details.
Toggle Development Profile Prefs
Toggles Development Profile Preferences On When Enabled And Off When Disabled.
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.
Datodo
Page Content Estimator
This addon estimates the number of links in a target page.
Log Helper
Requires Restart
This is a basic utility to manage logging from within the application, for help with debugging.
To create your own collections, you must have a Mozilla Add-ons account.
