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Choose from thousands of extra features and styles to make Firefox your own.
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ClassicFox Requires Restart
ClassicFox fixes problems with the appearance of the default theme in Windows Classic.
Rebrand Requires Restart
This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.
Custom Buttons Requires Restart
Gives a possibility to create custom toolbarbuttons...
Active Stop Button Requires Restart
Stop gif animation with button, context menu or Esc key
Closy Requires Restart
Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.
CuteMenus - Crystal SVG Requires Restart
Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.
Adds icons to all menus along with some other features...
Forecastfox Weather Requires Restart
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Linkification Requires Restart
Converts text links into genuine, clickable links...
To create your own collections, you must have a Mozilla Add-ons account.