Featured Extensions

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Adblock Plus Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,839)
18,747,806 users

Reload Plus Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (80)
21,445 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 (230)
86,632 users

Web Developer Requires Restart Featured

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (245)
429,648 users

Pray Times! Requires Restart Featured

Display daily Muslim prayer times.

Rated 5 out of 5 stars (370)
8,414 users

YouTube Control Center 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 (54)
14,140 users

Torrent Tornado Requires Restart Featured

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

Rated 5 out of 5 stars (74)
44,602 users

Lightbeam for Firefox 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 (420)
422,262 users

Adblock Plus Pop-up Addon Requires Restart Featured

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Rated 5 out of 5 stars (201)
1,004,163 users

Web2PDF Converter Requires Restart Featured

Web page to PDF conversion tool

Rated 3 out of 5 stars (98)
37,472 users

Privacy Settings Featured

Alter Firefox's built-in privacy settings easily with a toolbar panel.

Rated 5 out of 5 stars (47)
17,434 users

YouTube High Definition 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 (236)
281,172 users

Tab Mix Plus Requires Restart 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 (2,604)
768,582 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 (417)
486,326 users

YouTube Enhancer Plus Requires Restart Featured

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

Rated 5 out of 5 stars (119)
65,989 users

ColorfulTabs Requires Restart Featured

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

Rated 4 out of 5 stars (1,006)
221,312 users

Tab Memory Usage Featured

Tab Memory Usage displays the amount of memory is used by each tab

Rated 4 out of 5 stars (31)
38,408 users

Webmail Ad Blocker Featured

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

Rated 4 out of 5 stars (198)
103,452 users

Font Finder Requires Restart Featured

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (71)
32,943 users

FireGestures Requires Restart 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 (941)
335,689 users