Featured Extensions

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Wired-Marker Featured

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 ...

Rated 4 out of 5 stars (129)
12,350 users

Stylish Featured

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (597)
710,538 users

Mozilla Archive Format, with MHT and Faithful Save Featured

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 5 out of 5 stars (185)
210,315 users

Empty Cache Button Featured

Cache clearing made easy. One click.

Rated 4 out of 5 stars (50)
58,298 users

Capture & Print No Restart Featured

This add-on lets you print a webpage's area easily.

Rated 5 out of 5 stars (33)
49,040 users

Classic Retweet Featured

Old school retweets for Twitter.

Rated 4 out of 5 stars (19)
4,709 users

Rainbow Color Tools Featured

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

Rated 5 out of 5 stars (81)
47,844 users

SaveAS Featured

Save AS anything with a click of a button. It is handy for web image collection addicts.

Rated 4 out of 5 stars (2)
13,448 users

DoNotTrackMe: Online Privacy Protection Featured

Protect your privacy. Stop companies and advertisers from tracking your browsing and sending you spam email.

Rated 4 out of 5 stars (324)
457,828 users

Self-Destructing Cookies No Restart Featured

Cookies when you need them, not when others need them to track you - gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (225)
144,344 users

AddThis Featured

AddThis for Firefox is the best add-on to make sharing and bookmarking simple. Have all your favorite web 2.0 social networking, bookmarking, blogging, and e-mail services at your fingertips. Share any page, anytime, with anyone.

Rated 4 out of 5 stars (213)
173,833 users

Slim Add-ons Manager No Restart Featured

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (28)
8,121 users

Ciuvo - Price check in your Browser No Restart Featured

Ciuvo finds best deals for your wanted product. Price check, comparison, customer reviews, product videos and coupons right in your web browser.

Rated 5 out of 5 stars (105)
47,500 users

NoSquint Featured

NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.

Rated 5 out of 5 stars (387)
237,203 users

Secure Login Featured

Secure Login is an extension for Firefox integrated password manager.

Rated 4 out of 5 stars (277)
72,619 users

YouTube High Definition Featured

YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.

Rated 5 out of 5 stars (96)
213,980 users

Pocket Featured

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.

Rated 4 out of 5 stars (870)
307,510 users

Copy Plain Text 2 Featured

Copies text without formatting

Rated 5 out of 5 stars (37)
29,802 users

FEBE Featured

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Rated 4 out of 5 stars (541)
160,995 users

Tab Mix Plus Featured

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Rated 4 out of 5 stars (2,129)
1,167,570 users