EDITEUR/DEVELOPPER

by philwhite

14 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,783 reviews

2,426,336 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...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 248 reviews

383,639 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 216 reviews

574,700 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 302 reviews

292,697 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 50 reviews

137,535 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 20 reviews

56,346 users

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 161 reviews

102,681 users

An HTTP analyzer addon for Firefox

Html Validator by Marc Gueury

Rated 5 out of 5 stars 198 reviews

61,113 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 113 reviews

71,780 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Pixel Perfect by Mike Buckley, Lorne Markham, others

Rated 4 out of 5 stars 101 reviews

14,623 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.

Page Hacker by nico@nc

Rated 4 out of 5 stars 67 reviews

7,001 users

Adds a button to edit the currently viewed page.

Execute JS by Rudolf Noe

Rated 5 out of 5 stars 13 reviews

5,653 users

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

Magnifier by Girish Sharma, Paul Rouget

Rated 4 out of 5 stars 8 reviews

1,956 users

A quick restartless magnifier to debug styles and web pages.

Graphical Timeline by Girish Sharma

Rated 4 out of 5 stars 1 review

264 users

A Firefox Developer Tool to visually analyze various events like Network Calls, DOM Events, Garbage/Cycle Collection, etc.

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