Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Allow an easy access to the system commands and other programs in your computer.
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.
Tab Mix Plus Featured
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).
All builds & changelogs on versions page!
Open With Photoshop No Restart
Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
New Tab Tools No Restart Featured
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Reddit Enhancement Suite No Restart
A suite of tools to enhance Reddit
Webmail Ad Blocker No Restart Featured
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.
Flash Control No Restart
Controls as and when to display the Flash player and the HTML5 player.
Theme Font & Size Changer No Restart 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.
Print Edit Featured
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
Print Friendly & PDF No Restart
Makes a Printer Friendly & PDF version of any webpage. Removes navigation, ads, and junk. Formats the page for print so you save paper and ink. Good for the environment and your wallet.
The Addon Bar (Restored) No Restart Featured
Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
Show tabs like a tree.