The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
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...
The most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.
Screengrab! saves webpages as images.
New features: upload to internet
Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.
FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.
Restores the default image style used for top-level images in previous versions of Firefox.
Collections are groups of related add-ons that anyone can create and share.Explore Collections