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Stylish

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (746)
681 256 käyttäjää

Forecastfox Weather

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Rated 4 out of 5 stars (1 031)
137 424 käyttäjää

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey)

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Rated 3 out of 5 stars (83)
128 501 käyttäjää

Theme Font & Size Changer Ei uudelleenkäynnistystä

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (145)
92 225 käyttäjää

Custom Buttons

Gives a possibility to create custom toolbarbuttons...

Rated 4 out of 5 stars (86)
76 482 käyttäjää

Scriptish

The greatest user script engine on the Internet (a fork of Greasemonkey).

Rated 4 out of 5 stars (113)
71 868 käyttäjää

F.B. Purity - Cleans Up Facebook Ei uudelleenkäynnistystä

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (76)
65 900 käyttäjää

Forecastfox (fix version)

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (133)
49 161 käyttäjää

Restartless Restart Ei uudelleenkäynnistystä

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 5 out of 5 stars (181)
44 714 käyttäjää

Classic Toolbar Buttons Ei uudelleenkäynnistystä

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (144)
40 468 käyttäjää

Nightly Tester Tools

Useful tools for the nightly tester.

Rated 4 out of 5 stars (189)
37 581 käyttäjää

Display Mail User Agent

Displays icon for user agent of received mails.

Rated 4 out of 5 stars (103)
36 347 käyttäjää

Firesizer

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.

Rated 4 out of 5 stars (124)
32 037 käyttäjää

Linkification

Converts text links into genuine, clickable links...

Rated 4 out of 5 stars (307)
30 996 käyttäjää

YouTube Anywhere Player Ei uudelleenkäynnistystä

Watch videos anywhere in cinema mode without leaving the website you're on.

Rated 5 out of 5 stars (56)
30 217 käyttäjää

QuickFolders (Tabbed Folders)

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (107)
24 719 käyttäjää

FireTray

A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...

Rated 4 out of 5 stars (230)
24 518 käyttäjää

Open With Google Chrome Ei uudelleenkäynnistystä

Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.

Rated 5 out of 5 stars (4)
20 722 käyttäjää

Menu Wizard

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (116)
20 372 käyttäjää

Customizations for Adblock Plus Ei uudelleenkäynnistystä

This extension provides various customization options for the Adblock Plus user interface.

Rated 5 out of 5 stars (12)
19 917 käyttäjää