Stylish Kräver omstart

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

Betygsatt 4 utav 5 stjärnor (844)
331 018 användare

Menu Wizard Kräver omstart

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

Betygsatt 5 utav 5 stjärnor (192)
105 913 användare

Theme Font & Size Changer

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.

Betygsatt 5 utav 5 stjärnor (174)
93 117 användare

Forecastfox Weather Kräver omstart

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

Betygsatt 4 utav 5 stjärnor (924)
41 997 användare

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

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 +

Betygsatt 3 utav 5 stjärnor (83)
40 557 användare

FireTray Kräver omstart

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 ...

Betygsatt 4 utav 5 stjärnor (254)
31 779 användare

Classic Toolbar Buttons

'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.

Beta builds on versions page!

Betygsatt 5 utav 5 stjärnor (132)
29 820 användare

Scriptish Kräver omstart

Den bästa användarskriptmotorn på Internet.

Betygsatt 4 utav 5 stjärnor (124)
29 273 användare

Display Mail User Agent Kräver omstart

Visar med vilket e-postprogram ett mottaget brev skrevs.

Betygsatt 4 utav 5 stjärnor (104)
27 786 användare

Simple Locale Switcher Kräver omstart

En enklare hantering av användargränssnittets språk

Betygsatt 5 utav 5 stjärnor (12)
26 324 användare

F.B. Purity - Cleans Up Facebook

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.

Betygsatt 5 utav 5 stjärnor (99)
23 341 användare

QuickFolders (Tabbed Folders) Kräver omstart

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!

Betygsatt 5 utav 5 stjärnor (116)
19 560 användare

Firesizer Kräver omstart

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.

Betygsatt 4 utav 5 stjärnor (126)
17 292 användare

Nightly Tester Tools Kräver omstart

Useful tools for the nightly tester.

Betygsatt 4 utav 5 stjärnor (187)
15 640 användare

Linkification Kräver omstart

Converts text links into genuine, clickable links...

Betygsatt 4 utav 5 stjärnor (283)
15 014 användare

Restartless Restart

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

Betygsatt 4 utav 5 stjärnor (201)
12 050 användare


Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.

Betygsatt 5 utav 5 stjärnor (36)
10 490 användare

YouTube Anywhere Player

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

Betygsatt 5 utav 5 stjärnor (64)
9 474 användare

Customizations for Adblock Plus

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

Betygsatt 5 utav 5 stjärnor (13)
8 803 användare

Open With Google Chrome

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

Betygsatt 5 utav 5 stjärnor (87)
8 801 användare