Extensions by Weekly Downloads
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
Imports/exports cookies following Netscape standard.
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ReloadEvery Requires Restart
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
HttpRequester Requires Restart
A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.
Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
Lightbeam for Firefox Featured
Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.
Video Downloader Prime Featured
Easily download most popular video formats.
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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.
Belgium eID Requires Restart
Use the Belgian electronic identity card (eID) in Firefox
Click&Clean Requires Restart
The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.
Quickly toggle between blocking all pop-up windows and allowing some pop-ups
Torrent Tornado Requires Restart Featured
Replace video player with Firefox native video player
Turn Off the Lights Featured
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
YouTube™ Flash-HTML5 Featured
Play YouTube™ Videos in Flash or HTML5 Player
Fireforce Requires Restart
brute-force attacks on GET or POST forms