Add-ons
My Favorite Add-ons
by matagus
About this Collection
My favorite add-ons
13 Add-ons in this Collection
User Agent Switcher
by chrispederick
162 users
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Session Manager
by Michael Kraft
150 users
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
HttpFox
AutoProxy
by lovelywcm
4 users
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
Quick Locale Switcher
by ppclick
70 users
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
Private Tab
Mycroft Project
by Mycroft Project
144 weekly downloads
The Mycroft Project is a collection of OpenSearch & Sherlock Search Engine Plugins for your internet browser.
about:addons-memory
by Nils Maier
Experimental
7 users
Adds an about:addons-memory page that details add-on memory usage
Extension Auto-Installer
by Wladimir Palant
6 users
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.
Developer Assistant
Restartless Restart
by Erik Vold
Experimental
13 users
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
XPCOMViewer
GitHub Extension Installer
by Diego Casorran
1 user
Install Browser Extensions straight from GitHub Repositories
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