Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
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Choose from thousands of extra features and styles to make Firefox your own.
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Prevent Tab Overflow
This add-on is not compatible with your version of Firefox because of the following:
Make sure your tabs stay visible all the time.
10,993 users -
Tab Mix Plus
This add-on is not compatible with your version of Firefox because of the following:
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.
776,413 users -
SmoothWheel
This add-on is not compatible with your version of Firefox because of the following:
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
34,986 users
Most Popular See all »
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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.This add-on is not compatible with your version of Firefox because of the following:
776,413 users -
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.This add-on is not compatible with your version of Firefox because of the following:
446,328 users -
Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).This add-on is not compatible with your version of Firefox because of the following:
All builds & changelogs on versions page!421,991 users -
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.This add-on is not compatible with your version of Firefox because of the following:
334,003 users -
Allow an easy access to the system commands and other programs in your computer.This add-on is not compatible with your version of Firefox because of the following:
298,213 users -
Personas (now known as lightweight themes) 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 themes.This add-on is not compatible with your version of Firefox because of the following:
272,593 users
Top Rated See all »
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Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!This add-on is not compatible with your version of Firefox because of the following:
36,349 users -
Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).
This add-on is not compatible with your version of Firefox because of the following:
All builds & changelogs on versions page!421,991 users -
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!This add-on is not compatible with your version of Firefox because of the following:
25,007 users -
Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!This add-on is not compatible with your version of Firefox because of the following:
4,171 users -
'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.This add-on is not compatible with your version of Firefox because of the following:
Beta builds on versions page!37,992 users -
Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)This add-on is not compatible with your version of Firefox because of the following:
28,496 users
Recently Added See all »
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Theme news.ycombinator.com with a darker (night mode) themeThis add-on is not compatible with your version of Firefox because of the following:
0 users -
Removes all web content from Battlehand web page except the game and/or the chat.This add-on is not compatible with your version of Firefox because of the following:
0 users -
Youtube is currently adding gifs to some of their thumbnails on mouse hover but they are lacking full length and sound. Not to mention, most of the videos wont have them...so I came up with this extension!This add-on is not compatible with your version of Firefox because of the following:
0 users -
Replaces the new tab page with a minimalist layout of the time and a full background Unsplash image.This add-on is not compatible with your version of Firefox because of the following:
7 users -
This extension displays the number of open tabs for each window and the total number of open tabs (in all windows) in the status bar. This is a fork from an extension by Hilary Mason.
This add-on is not compatible with your version of Firefox because of the following:
2 users -
YouTube can be great for learning...when you remove the distractions. Take back your free will and install FocusTube.This add-on is not compatible with your version of Firefox because of the following:
5 users
See all 2539 extensions in Appearance »
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