18 992 213 users
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).
6 498 373 users
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
3 151 909 users
1 717 726 users
The first and only download manager/accelerator built inside Firefox!
1 865 039 users
1 218 288 users
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.
396 185 users
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.
102 672 users
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
533 176 users
NOTE: Xmarks lives! Learn more at http://blog.xmarks.com . Xmarks is the #1 bookmarking add-on. Keep your bookmarks, passwords and open tabs backed up and synchronized across computers and browsers.
819 370 users
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!
472 557 users
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
314 628 users
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
82 756 users
Ett statusfält med hastighet, procent, tid, storlek på laddad data (liknande den i Opera).
Samlingar är grupper av tillägg som vem som helst kan skapa och dela med sig av.Utforska samlingar