Design your Firefox with a dark theme inspired by the night launch of STS-116.
Compare 750 car rental companies and find the cheapest prices in 30.000 destinations worldwide.
Shorten links on the fly with Goo.gl, Google's URL shortener.
Manage all your tasks from your browser.
Access websites blocked in your country, company or school.
View and edit HTTP or HTTPS headers and post parameters.
Perform quick searches on various search engines in Firefox.
Tweak your Firefox download window and add more features.
Customize the way Web pages look and function by using small bits of JavaScript.
