Featured Extensions

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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 (809)
511,052 users

Ghostery No Restart Featured

Enjoy a faster, safer and cleaner browsing experience.

Rated 4 out of 5 stars (1,297)
1,561,329 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)
135,690 users

Pearltrees No Restart Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (244)
21,307 users

Menu Wizard Featured

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (157)
42,720 users

Ecosia — The search engine that plants trees! No Restart Featured

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (139)
104,712 users

Multifox No Restart Featured

An extension that allows Firefox to connect to websites using different user names. Simultaneously.

*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***

Rated 4 out of 5 stars (91)
73,301 users

YouTube Control Center No Restart Featured

YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.

Rated 4 out of 5 stars (49)
15,753 users

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!

Rated 5 out of 5 stars (98)
23,705 users

Reader No Restart Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (57)
36,821 users

Cleanest Addon Manager No Restart Featured

Cleanup your Addon Manager

Rated 5 out of 5 stars (130)
20,326 users

QuickMark No Restart Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (44)
11,778 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 (400)
1,131,553 users

Mind the Time No Restart Featured

Keep track of how much time you spend on the web, and where you spend it. A toolbar ticker shows the time spent at the current site or the total time spent on the web today. A summary page sums up data for the past 70 days, 10 weeks, and 6 months.

Rated 4 out of 5 stars (86)
16,017 users

Fastest Search - Browse/Search Faster! No Restart Featured

Search/browse faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;Create custom engines;Select-n-search with Smart SearchBox;Preview results;Auto copy plain text, drag-n-drop save images/open links. http://y2u.be/gDlLrVZ54L0

Rated 5 out of 5 stars (159)
8,863 users

TinyURL Generator Featured

An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.

Rated 5 out of 5 stars (81)
21,404 users

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (391)
466,962 users

Decentraleyes No Restart Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (41)
29,655 users

YouTube™ Flash-HTML5 No Restart Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 5 out of 5 stars (13)
45,624 users

ChatZilla Featured

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Rated 4 out of 5 stars (126)
144,278 users