Featured Extensions


FoxyProxy Standard Requires Restart Featured

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (363)
297,049 users

Gmail™ Notifier + Featured

Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.

Rated 4 out of 5 stars (78)
41,775 users

S3.Google Translator Requires Restart Featured

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Rated 5 out of 5 stars (380)
406,760 users

KeeFox Requires Restart Featured

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.

Rated 5 out of 5 stars (1,215)
69,186 users

Saved Password Editor Requires Restart Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (234)
101,045 users

NoScript Security Suite Requires Restart 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 (1,581)
2,264,585 users

Cleanest Addon Manager Featured

Cleanup your Addon Manager

Rated 5 out of 5 stars (139)
18,294 users

Download YouTube Videos as MP4 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 (431)
1,173,306 users

YouTube™ Flash-HTML5 Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 5 out of 5 stars (16)
51,066 users

User-Agent Switcher Featured

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (32)
67,134 users

New Tab Tools Featured

Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...

Rated 4 out of 5 stars (223)
47,691 users

Addictive Typing Lessons Requires Restart Featured

Learn touch typing, or improve your typing.

Rated 4 out of 5 stars (23)
8,088 users

Ghostery Featured

Increase your browsing privacy, protection, and speed.

Rated 5 out of 5 stars (1,308)
1,502,238 users

Thumbnail Zoom Plus Requires Restart Featured

Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.

Rated 4 out of 5 stars (372)
113,713 users

Facebook™ Disconnect Featured

Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.

Rated 4 out of 5 stars (9)
29,090 users

History Submenus II Featured

Add sub-menus to History Menu for previous days' history.

Rated 5 out of 5 stars (44)
3,324 users

Disconnect Requires Restart Featured

Make the web faster, more private, and more secure.

Rated 4 out of 5 stars (195)
301,477 users

SmoothWheel Requires Restart Featured

Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).

Rated 5 out of 5 stars (267)
38,212 users

Web2PDF Converter Requires Restart Featured

Web page to PDF conversion tool

Rated 4 out of 5 stars (92)
42,566 users

QuickMark Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (48)
12,102 users