26 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
Greasemonkey by Anthony Lieuallen, Aaron Boodman, others
FoxyProxy Standard by Eric H. Jung, groeg, others
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Tradução do Firefox para o português brasileiro. Complemente a tradução instalando o corretor ortográfico: https://addons.mozilla.org/firefox/addon/corretor/
Russian spellchecking dictionary
The Mozilla Mexican Community publish the Language Pack in Mexican Spanish (es-MX) for Mozilla Firefox.
Pixel Perfect by Mike Buckley, Lorne Markham, others
Pixel Perfect is a Firefox extension that allows web developers and designers to easily overlay a web composition with semi-transparent layers (images). These layers can be consequently used for per pixel comparison between the page and a layer.
Spanish (Chile) Language pack by Emilio Sepulveda, PaBLoX_CL, others
Spanish (Chile) Language pack for Firefox 3.0.x
Edit textareas using an external editor, because it's all text!
Right click on a textarea, select "It's All Text!" and edit the text in the editor of your choice.
Alternatively, click on the edit buttons added for your convenience. Right click on ...