Best of 2 Billion Firefox Add-ons

by Mozilla

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,861 reviews

22,021,793 users

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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,766 reviews

2,670,604 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 946 reviews

1,364,276 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,474 reviews

2,288,982 users

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.

ImTranslator - Google Translator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 431 reviews

385,481 users

MORE THAN 21 MILLION DOWNLOADS
ImTranslator provides translation powered by Google Translate, Microsoft, Babylon for 70+ languages. It includes Translator, Dictionary, Text-to-Speech, Back Translation.
Video Tutorial: http://youtu.be/qyLyFkQuMGU

Stylish by Jason Barnabe

Rated 4 out of 5 stars 733 reviews

769,761 users

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.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,508 reviews

353,483 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Personas Plus by Mozilla

Rated 3 out of 5 stars 951 reviews

460,908 users

Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.

Pocket by Read It Later, Inc

Rated 4 out of 5 stars 1,075 reviews

268,832 users

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.

YSlow by YSlow

Rated 3 out of 5 stars 186 reviews

126,365 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 327 reviews

187,296 users

Adds zoom and rotation functionality for images...

ReminderFox by Tom Mutdosch, Daniel Lee

Rated 4 out of 5 stars 483 reviews

113,348 users

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 214 reviews

131,271 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

AniWeather by AniWeather

Rated 4 out of 5 stars 565 reviews

73,151 users

AniWeather = Animated Weather + Any Weather.

When it rains, it really does!

Shareaholic | share with Google, Facebook and more by The Shareaholic Team

Rated 4 out of 5 stars 257 reviews

16,657 users

Shareaholic is the easiest way to share & bookmark great content from anywhere on the web from one simple ALL-IN-ONE add-on. Works with Facebook, Twitter, Pinterest, Google, LinkedIn, E-mail and 200+ additional services.
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