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 easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
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.
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.
Dark theme for Firefox. Inspired by the night launch of STS-116.
LavaFox - A dark and hot theme for Firefox.
Fully skinned and animated.
Note from Mozilla: This add-on has been discontinued. Try FXChrome instead.
Chromifox Basic is a coat of chrome for Firefox.
RedShift V3 will no longer be supported, please update to V4.
See description for link or use the addon search.
ANTHEM is a take on originality and recent UI trends for Firefox web browsing. It was built on the original Mac theme that comes OOB with the FF3 install.
Collections are groups of related add-ons that anyone can create and share.Explore Collections