The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
Protect your privacy. Stop companies and advertisers from tracking your browsing and sending you spam email.
The Web Developer extension adds various web developer tools to the browser.
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Use this extension to save things you see on the web into your Evernote account. It provides a toolbar button and context menu to add an article, selection, URL or an entire page.
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Dark theme for Firefox. Inspired by the night launch of STS-116.
View and manage downloads from a tidy statusbar
This is a new life in Firefox 26+ for old well-known addon Download Statusbar
New Features: Replace Downloads Library page.
Now you have full control of your downloads history!
Hide My Ass! operates the most popular browser based web proxy online, this is our official extension that enables you to easily redirect your web traffic through our anonymous proxy network.
Compare prices at thousands of retail sites with the Amazon 1Button App!
Get special offers and features right at your fingertips. Search Amazon and the Web at the same time, get a head-start on deals, add to your wishlist, and much more.