Firefox OS (Advanced)

by Ahmad Salah

10 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,770 reviews

2,381,661 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 959 reviews

1,280,355 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 245 reviews

384,944 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 213 reviews

578,772 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 34 reviews

200,936 users

Manage any SQLite database on your computer.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 128 reviews

118,055 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Add-on Compatibility Reporter by Mozilla

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Pixel Perfect by Mike Buckley, Lorne Markham, others

Rated 4 out of 5 stars 100 reviews

14,268 users

Pixel Perfect is a Firefox/Firebug extension that allows web developers and designers to easily overlay a web composition over top of the developed HTML.

Test Pilot by Mozilla Labs, Gregg Lind, others

Rated 4 out of 5 stars 71 reviews

756,112 users

Help us make Firefox better by joining our structured user studies! No need to download this add-on if you are running Firefox 4 beta, - you are already a part of the team!

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Rated 4 out of 5 stars 27 reviews

253 users

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

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