19 097 317 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).
1 592 920 gebruikers
The first and only download manager/accelerator built inside Firefox!
2 242 972 gebruikers
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
1 197 615 gebruikers
Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
1 238 630 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.
749 244 gebruikers
The Web Developer extension adds various web developer tools to the browser.
381 610 gebruikers
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
450 265 gebruikers
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
1 125 263 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.
737 660 gebruikers
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
627 057 gebruikers
Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...
Latest updates: See bottom link 'version history'!
205 082 gebruikers
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
292 950 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.
311 573 gebruikers
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Versamelings is groepe van verwante byvoegings wat enigiemand kan bou en deel.Ontdek versamelings