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 4,827 reviews

21,450,569 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 1,759 reviews

2,541,400 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...

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,459 reviews

2,251,211 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.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 941 reviews

1,335,588 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 736 reviews

756,301 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.

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

Rated 4 out of 5 stars 430 reviews

389,857 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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,504 reviews

357,512 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 950 reviews

478,455 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 1,063 reviews

266,627 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 180 reviews

123,075 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

187,483 users

Adds zoom and rotation functionality for images...

ReminderFox by Tom Mutdosch, Daniel Lee

Rated 4 out of 5 stars 486 reviews

111,937 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 213 reviews

139,769 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 560 reviews

76,093 users

AniWeather = Animated Weather + Any Weather.

When it rains, it really does!

InvisibleHand by InvisibleHand

Rated 4 out of 5 stars 183 reviews

50,555 users

Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.
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