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Choose from thousands of extra features and styles to make Firefox your own.
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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.
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...
Closy
Requires Restart
Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.
Active Stop Button
Requires Restart
Stop gif animation with button, context menu or Esc key
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.
ClassicFox
Requires Restart
ClassicFox fixes problems with the appearance of the default theme in Windows Classic.
ImageTweak: zoom/rotate images and videos!
Requires Restart
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.
Custom Geometry
Requires Restart
Resizes and positions the Firefox window according to your settings.
HashColouredTabs+
Requires Restart
Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★
中止ボタンがしいたけに見えて困る
Requires Restart
Huh, you said the stop button looks like shiitake? No way, you must be tired.
Compact Menu 2
Requires Restart
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Hide Menubar
Requires Restart
Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.
bosskey
Requires Restart
Add Boss Key, Minimize/Close to tray and memory auto cleaning to Firefox.
Firesizer
Requires Restart
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Right Links
Requires Restart
This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.
Text2Link
Requires Restart
Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.
To create your own collections, you must have a Mozilla Add-ons account.