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 1,770 reviews

2,365,731 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 1,577 reviews

1,380,707 users

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

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 486 reviews

967,451 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 738 reviews

709,688 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 213 reviews

575,091 users

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

FT DeepDark by steva

Rated 5 out of 5 stars 547 reviews

192,658 users

Smooth dark theme for Firefox
> BETA VERSION AVAILABLE HERE <

AutoProxy by lovelywcm

Rated 4 out of 5 stars 415 reviews

74,254 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 155 reviews

176,532 users

View HTTP headers of a page and while browsing.

gContactSync by Josh Geenen

Rated 4 out of 5 stars 185 reviews

48,284 users

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

YSlow by YSlow

Rated 3 out of 5 stars 189 reviews

109,579 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.

PDF Viewer by Mozilla Labs

Download Now

Experimental

Rated 4 out of 5 stars 265 reviews

121,089 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

Status-4-Evar by Sparky Bluefang

Rated 5 out of 5 stars 534 reviews

142,414 users

Status bar widgets and progress indicators for Firefox 4+

Google Contacts by H.Ogi

Rated 3 out of 5 stars 295 reviews

81,989 users

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

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 392 reviews

70,106 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 38+ only (see below for details).
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