Block online ads while browsing with Firefox.
Create and post HTTP requests on your favorite Web service or site.
Browse, review, and share sites with like-minded people in Firefox.
Shorten links on the fly with Goo.gl, Google's URL shortener.
Access websites blocked in your country, company or school.
Keep track of multiple email accounts.
Remove Timeline from Facebook with this Firefox add-on.
See quick updates on all your eBay activity while you browse the web.
Save your Firefox sessions and restore the state of all windows.
Protect your passwords, payments, and privacy.