YouTube No Buffer (Stop Autoplaying) No Restart Featured
A bulletproof approach to prevent YouTube from buffering videos
Duplicate Tabs Closer No Restart Featured
Detects and automatically closes duplicate tabs.
Weather Forecast Plus No Restart Featured
Weather Forecast Plus is the easiest way to check the weather while you browse internet
uMatrix No Restart Featured
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Video Downloader Prime No Restart Featured
Easily download most popular video formats.
Bloody Vikings! No Restart Featured
TinyURL Generator Featured
An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
Adblock Plus No Restart Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Session Manager No Restart Featured
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
FlashGot Mass Downloader Featured
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Prevent Tab Overflow No Restart Featured
Make sure your tabs stay visible all the time.
Proxy Switcher No Restart Featured
Access to the complete Firefox's proxy settings right from a toolbar panel
Private Tab No Restart Featured
Adds private tabs.
New Tab Tools No Restart 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...
Simulate the use of a series of proxy changing at each new connection.
Tab notifier Featured
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
Public Fox Featured
Block downloads, lock down bookmarks/addons/downloads with a password.