5 Add-ons in this Collection
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Firebug by Joe Hewitt, Jan Odvarko, others
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.
What are Collections?
Collections are groups of related add-ons that anyone can create and share.Explore Collections