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Welcome to Firefox Add-ons.
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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!
Easy Copy Featured
Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.
Reader No Restart Featured
Reader is the ultimate Reader tool for Firefox.
The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...
The first and only download manager/accelerator built inside Firefox!
Blur No Restart Featured
Protect your Passwords, Payments, and Privacy.
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 ...
PriceZombie, Price Tracker & Price Comparison No Restart Featured
Price tracker and price comparison! Price history charts and price drop alerts for over 100 stores including Amazon, Newegg, BestBuy, OfficeMax, Target, Sears, Sam's Club, Fry's, HomeDepot, and many more!
QrCodeR No Restart Featured
Encode selection, links and images to QrCode with right-click.
QR Code Image Generator No Restart Featured
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.
Advanced Cookie Manager Featured
A must have tool for Web Developers and Testers to Manage and monitor web cookies.
Export / Backup
Import / Restore
Available in English, French, Spanish, German and Italian languages.
Classic Retweet No Restart Featured
Old school retweets for Twitter.
Pearltrees No Restart Featured
Pearltrees lets you organize all your interests.
Image Block Featured
Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.
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.
BugMeNot No Restart Featured
Bypass compulsory web registration with the context menu via www.bugmenot.com.
Classic Toolbar Buttons No Restart Featured
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Beta builds on versions page!