Tile Tabs Requires Restart Featured
Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.
Turbo Download Manager Featured
a download manager with multi-threading support
ipFood Requires Restart Featured
Simulate the use of a series of proxy changing at each new connection.
Tab Groups Featured
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
Cleanest Addon Manager Featured
Cleanup your Addon Manager
Play YouTube™ Videos in Flash or HTML5 Player
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
Theme Font & Size Changer Featured
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.
Menu Wizard Requires Restart Featured
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
uBlock Origin Featured
Finally, an efficient blocker. Easy on CPU and memory.
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
Smart HTTPS Featured
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
Duplicate Tabs Closer Featured
Detects and automatically closes duplicate tabs.
YouTube Enhancer Plus Requires Restart Featured
Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.
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!
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Privacy Settings Featured
Alter Firefox's built-in privacy settings easily with a toolbar panel.
The first and only download manager/accelerator built inside Firefox!
Adblock Plus Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).