To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseUp & Coming Extensions
Sort by:
Proxy Tool Requires Restart
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co
HTitle (discontinued) Requires Restart
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.
Xclear Requires Restart
Safari-like icons in the URL, search and find fields to clear their contents.
Console² Requires Restart
Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
Nagios Checker Requires Restart
The statusbar indicator of the events from the network monitoring system Nagios.
NetVideoHunter Requires Restart
This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...
Color Transform
Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.
Generic CSS Loader 2 Requires Restart
A very basic CSS loader for Firefox. No fancy features, just an alternative to userChrome and userContent files.
Ebank2 Plugin Requires Restart
K&H e-bank és electra belépés és tranzakció aláírás bővítmény / K&H ebank and electra login and transaction singing extension
Adhiyan Requires Restart
Adhiyan is a tool to convert and view TSCII/TUNE/TAB/TAM/DailyThanthi/Dinamani/Chenet/Kambar encoded Tamil content to UNICODE Tamil.
Link Status Requires Restart
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. In Firefox 3.5 and later, the extension also offers an option to disable the visited link styling to reduce the risk to privacy.
Kaskus Quick Reply+ Requires Restart
provide a quick reply feature, under circumstances capcay required
SabnzbdFox Requires Restart
Ease nzb files downloading by catching all downloads and redirecting them to your download tool : sabnzbd or any other newsgrabber which wait for files in a directory.
dictCheck Requires Restart
dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!
HD Video Downloader
Download every YouTube video you want and you can download them as Full HD MP4, FLV, 3GP, MP3, M4A and AAC formats.
Classic Pop-up Alerts
This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0
RSE Tools Requires Restart
Tools for working with rapidshare and links from other popular file hosting and sharing services.
Features: get rapidshare links from a page, test selected rapidshare links, search rapidshare files for selected terms, etc.
To create your own collections, you must have a Mozilla Add-ons account.