21 534 268 gebruikers
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).
2 500 982 gebruikers
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The first and only download manager/accelerator built inside Firefox!
1 326 130 gebruikers
1 275 818 gebruikers
Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.
1 050 105 gebruikers
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
751 079 gebruikers
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.
338 323 gebruikers
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
835 247 gebruikers
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
984 240 gebruikers
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.
616 883 gebruikers
The Web Developer extension adds various web developer tools to the browser.
414 379 gebruikers
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
276 902 gebruikers
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
259 511 gebruikers
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
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