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Choose from thousands of extra features and styles to make Firefox your own.
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Certificate Patrol Requires Restart
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.
KeePass Helper Requires Restart
Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.
Extensor
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
YouTube Anywhere Player
Watch videos anywhere in cinema mode without leaving the website you're on.
ChatZilla Requires Restart
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Text Complete Requires Restart
The text complete extension adds shortcuts and auto complete functionality to text fields within web forms, the thunderbird message composer, and various other fields within the firefox browser and thunderbird messagecomposer.
The available ...
YouTube Videos Download in one click Requires Restart
Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.
fairBlock
Un bloqueur de publicité équitable. Préservez le web gratuit en choisissant sur quels sites vous bloquez la publicité.
South African English spell checker Requires Restart
The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.
"No more eina, just a lekker spell checker!"
Remote XUL Manager
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
Cookie Exporter Requires Restart
Exports all cookies in IE manner.
Makes a Netscape standard cookies.txt file.
Very useful for WGET --load-cookies option.
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Skyrock by RaouF Requires Restart
Blogs, profils, rencontres, groupes,photos,.. Avec Skyrock.
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
To create your own collections, you must have a Mozilla Add-ons account.