User Agent Switcher Featured
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
WebRank SEO Toolbar Featured
A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.
Password Tags Featured
Adds metadata and sortable tags to the password manager.
Theme Font & Size Changer No Restart Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Duplicate Tabs Closer No Restart Featured
Detects and automatically closes duplicate tabs.
QrCodeR No Restart Featured
Encode selection, links and images to QrCode with right-click.
Reload Plus No Restart Featured
Supercharge your reload button and hotkeys!
Ghostery No Restart Featured
Increase your browsing privacy, protection, and speed.
Cleanest Addon Manager No Restart Featured
Cleanup your Addon Manager
Bloody Vikings! No Restart Featured
Pearltrees No Restart Featured
Pearltrees lets you organize all your interests.
DuckDuckGo Plus No Restart Featured
DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.
Clean Links No Restart Featured
Webmail Ad Blocker No Restart Featured
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Save Text To File No Restart Featured
Saves highlighted text to a file in the specified directory
Add-ons Manager Context Menu Featured
Add more items to Add-ons Manager context menu.
CookieKeeper No Restart Featured
Extended Cookie Manager - Keep only wanted cookies.
Ecosia — The search engine that plants trees! No Restart Featured
Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!
FlashGot Mass Downloader Featured
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Mind the Time No Restart Featured
Keep track of how much time you spend on the web, and where you spend it. A toolbar ticker shows the time spent at the current site or the total time spent on the web today. A summary page sums up data for the past 70 days, 10 weeks, and 6 months.