Clean Uninstall Featured
Uninstall an extension and clean its fingerprints (such as stored preferences)
Bloody Vikings! Featured
Messenger for Skype™ Web Featured
Access to Skype Web from within a toolbar panel. You can use this app to call your friends without the need to switch current browser tab
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.
Font Finder Requires Restart Featured
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
SearchWP Requires Restart Featured
Jump-to-word buttons and highlighting for the search box content
New Tab Tools Featured
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
Theme Font & Size Changer Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Download YouTube Videos as MP4 Featured
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
Clear Console Requires Restart Featured
One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.
Easily download most popular video formats.
FireGestures Requires Restart Featured
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
iMacros for Firefox Featured
Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Ghostery Compatible with Firefox 57+ Featured
Increase your browsing privacy, protection, and speed.
Smart HTTPS Featured
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
Tab Memory Usage Featured
Tab Memory Usage displays the amount of memory is used by each tab
DuckDuckGo Plus Featured
DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.
Keyword Search Featured
Search in the address bar without changing your search engine.