by fengluo

19 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,799 reviews

2,160,934 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 964 reviews

1,264,120 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,626 reviews

1,351,861 users

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

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 504 reviews

930,921 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 763 reviews

648,539 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 218 reviews

519,933 users

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

FireGestures by Gomita

Rated 4 out of 5 stars 886 reviews

364,216 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

AutoProxy by lovelywcm

Rated 4 out of 5 stars 416 reviews

63,616 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.

Omnibar by Ajit K

Rated 4 out of 5 stars 461 reviews

45,384 users

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.

SkipScreen -- download helper, now for sale... by Skipscreen

Rated 4 out of 5 stars 632 reviews

116,818 users

We’re sorry to say we can’t maintain Skipscreen anymore. We’d love to see someone carry on with it. If you’d like to buy Skipscreen, or otherwise find it a good home, please contact us at

Feedly - Beyond Google Reader by feedly

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Rated 5 out of 5 stars 3,597 reviews

87,705 users

A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.

Personal Menu (Personal Firefox Button) by Merci chao

Bring back your personal and powerful Firefox Button!

PlacesCleaner by Irvin, Littlebtc

Rated 5 out of 5 stars 32 reviews

13,248 users

Extension to clean and vacuum your firefox places database.

Easy DragToGo by Sunwan

Rated 5 out of 5 stars 355 reviews

2,556 users

Note from Mozilla: This add-on has been discontinued. Try DragIt instead.

Allows you to open links in new tabs, and do more with drag and drop gestures easier.

Twitter Address Bar Search by Twitter, Inc.

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Rated 4 out of 5 stars 43 reviews

3,342 users

Mozilla Firefox with Twitter instantly connects you with what's happening in the world. Search people and topics on Twitter using @ and # from the address bar.
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