My Favorite Add-ons

by org.sunjw.firefox.addon

28 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,082 reviews

1,675,835 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 4 out of 5 stars 1,772 reviews

1,087,077 users

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

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 535 reviews

613,267 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 userstyles.org

Rated 4 out of 5 stars 829 reviews

386,525 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Web Developer by chrispederick

Rated 5 out of 5 stars 265 reviews

376,647 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 171 reviews

114,594 users

View HTTP headers of a page and while browsing.

AutoProxy by lovelywcm

Rated 4 out of 5 stars 382 reviews

30,941 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.

gContactSync by Josh Geenen

Rated 4 out of 5 stars 224 reviews

91,377 users

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

Status-4-Evar by Sparky Bluefang

Rated 5 out of 5 stars 494 reviews

125,837 users

Status bar widgets and progress indicators for Firefox 4+

YSlow by YSlow

Rated 3 out of 5 stars 221 reviews

54,865 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.

FireSSH by Mime Čuvalo

Rated 4 out of 5 stars 97 reviews

27,025 users

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 406 reviews

48,926 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).

Tab Scope by Gomita

Rated 4 out of 5 stars 451 reviews

88,090 users

Preview and navigate tab contents through popup.

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.
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