Duplicate Tabs Closer Featured
Detects and automatically closes duplicate tabs.
ipFood Requires Restart Featured
Simulate the use of a series of proxy changing at each new connection.
Clean Uninstall Featured
Uninstall an extension and clean its fingerprints (such as stored preferences)
NoScript Security Suite Requires Restart Featured
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.
Gmail™ Notifier + Featured
Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.
Panel View for Google™ Keep Featured
A handy and reliable extension designed to store your notes, lists and photos.
Video Downloader Prime Featured
Easily download most popular video formats.
Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!
Bluhell Firewall Featured
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Reader is the ultimate Reader tool for Firefox.
Reload Plus Featured
Supercharge your reload button and hotkeys!
History Submenus II Featured
Add sub-menus to History Menu for previous days' history.
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.
A quick and minimalistic way to create bookmarks.
Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.
YouTube High Definition Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Tab Groups Featured
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
Enhancer for YouTube™ Featured
One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!
Prevent Tab Overflow Featured
Make sure your tabs stay visible all the time.