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).
The first and only download manager/accelerator built inside Firefox!
Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
Screengrab! saves webpages as images.
New features: upload to internet
Wappalyzer is a browser extension that identifies software on websites.
Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.
UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.
Get the fastest working proxies with a single click. The easiest way to find web proxies that suits you.
Redirect Cleaner cleans Redirects from Links
A simple, clean and easy-to-use FREE Firefox extension for video download and Flash download. Supports Windows/Mac/Linux operating systems and the latest Mozilla Firefox. Now Supports Mozilla Firefox 4 and English, Spanish, Chinese language.
Collections are groups of related add-ons that anyone can create and share.Explore Collections