My Favorite Add-ons

by org.sunjw.firefox.addon

29 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,760 reviews

2,546,265 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,566 reviews

1,477,350 users

The first and only download manager/accelerator built inside Firefox!

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 481 reviews

1,078,767 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 732 reviews

755,229 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.

Web Developer by chrispederick

Rated 5 out of 5 stars 205 reviews

632,106 users

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

FT DeepDark by steva

Rated 5 out of 5 stars 527 reviews

205,923 users

Smooth dark theme for Firefox
> BETA VERSION AVAILABLE HERE <

AutoProxy by lovelywcm

Rated 4 out of 5 stars 415 reviews

79,903 users

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 154 reviews

190,857 users

View HTTP headers of a page and while browsing.

YSlow by YSlow

Rated 3 out of 5 stars 181 reviews

121,342 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.

Firefox OS 1.1 Simulator by Myk Melez, J. Ryan Stinnett

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.

Google Contacts by H.Ogi

Rated 4 out of 5 stars 243 reviews

100,361 users

Access to Google contacts and synchronize them with Thunderbird address books.

Status-4-Evar by Sparky Bluefang

Rated 5 out of 5 stars 531 reviews

150,731 users

Status bar widgets and progress indicators for Firefox 4+

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 381 reviews

76,995 users

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

The latest version is compatible with Thunderbird 31+ only (see below for details).

PDF Viewer by Mozilla Labs

Download Now

Experimental

Rated 4 out of 5 stars 263 reviews

148,221 users

PDF.js brings Portable Document Format (PDF) reading capabilities to your browser using web standard technologies.

Please report issues to: https://github.com/mozilla/pdf.js/issues

gContactSync by Josh Geenen

Rated 4 out of 5 stars 173 reviews

39,429 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
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