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Choose from thousands of extra features and styles to make Firefox your own.
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Color Transform
Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.
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.
DownThemAll! AntiContainer Requires Restart
Make the resources behind container pages easily downloadable by DownThemAll!
Anonymous Search Engine: unbubble.eu
Search the web with Unubble. More than 30 different sources at a time. Find websites, news articles, products, images and more. Full support of Firefox search box: including secure autocomplete. Private search engine: all HTTPS, no tracking. Try now!
Greek spellchecking dictionary
Greek spellchecking dictionary Mozilla (Firefox- Thunderbird- Seamonkey)
FireTray Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
Torrent Tornado Requires Restart
A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!
Cookie Importer Requires Restart
Imports cookies from a textfile.
Reads Netscape standard cookies.txt files as exported by IE and others.
Very useful in combination with the Cookie Exporter add-on.
GuifiProxy Requires Restart
Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement
Startpage (SSL)
Startpage is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Startpage.
Searx.me - A Private Search Engine
A privacy-respecting, hackable metasearch engine.
Download Status Bar
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Yahoo! Search for Firefox for Android
Yahoo! Search for Firefox on Android
Adds Yahoo! Search to the list of built-in search engines
To create your own collections, you must have a Mozilla Add-ons account.