Featured Extensions

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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.

Rated 5 out of 5 stars (224)
281,993 users

YouTube™ Flash-HTML5 No Restart Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 5 out of 5 stars (13)
43,785 users

Download Plan No Restart Featured

An addon to download files at specific time interval

Rated 4 out of 5 stars (3)
3,274 users

Reload Plus No Restart Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (80)
15,491 users

Download YouTube Videos as MP4 No Restart Featured

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Rated 4 out of 5 stars (401)
1,070,350 users

FireGestures Featured

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Rated 4 out of 5 stars (908)
347,318 users

Ghostery No Restart Featured

Enjoy a faster, safer and cleaner browsing experience.

Rated 4 out of 5 stars (1,298)
1,486,238 users

Resurrect Pages Featured

Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...

Rated 5 out of 5 stars (62)
22,448 users

Gmail Notifier (restartless) No Restart Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (255)
96,776 users

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.

Rated 4 out of 5 stars (69)
16,879 users

Reader No Restart Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (57)
34,730 users

FireFTP Featured

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Rated 4 out of 5 stars (948)
493,861 users

Lightbeam for Firefox No Restart Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (412)
527,131 users

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,568)
2,240,852 users

Stylish Featured

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

Rated 4 out of 5 stars (811)
479,842 users

Torrent Tornado Featured

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

Rated 4 out of 5 stars (72)
44,608 users

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 (141)
14,809 users

Google Translator for Firefox Featured

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Rated 4 out of 5 stars (333)
786,973 users

YouTube Enhancer Plus Featured

Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.

Rated 4 out of 5 stars (120)
80,400 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (145)
129,872 users