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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Wired-Marker(http://www.wired-marker.org/en/) is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web ...
YouTube High Definition No Restart Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Ecosia — The search engine that plants trees! No Restart Featured
Ecosia is a search engine that donates 80% of its surplus income to a tree planting program in Burkina Faso. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia as a search engine in Firefox. Give it a try!
Toolbar Buttons No Restart Featured
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Facebook™ Disconnect No Restart Featured
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
CookieKeeper No Restart Featured
Extended Cookie Manager - Keep only wanted cookies.
Tab Scope Featured
Preview and navigate tab contents through popup.
Save AS anything with a click of a button. It is handy for web image collection addicts.
Fastest Search - Browse/Shop Faster! No Restart Featured
Search/browse/shop faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;create custom engines;shopping assistant compares price;Smart SearchBox;Preview results;Auto copy plain text, dnd save image/open link.Use v3.363(below)!
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
Nimbus Screen Capture - editable screenshots No Restart Featured
1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!
Private Tab No Restart Featured
Adds private tabs.
Jump-to-word buttons and highlighting for the search box content
Show My Password Featured
You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.
Classic Retweet No Restart Featured
Old school retweets for Twitter.
OmniSidebar No Restart Featured
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
The Addon Bar (Restored) No Restart Featured
Gives you a place to put all your add-on buttons without over-crowding the navigation bar.