Web Developers

by The MAZZTer

12 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,783 reviews

2,242,706 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

362,938 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

534,895 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 130 reviews

111,487 users

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

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,190 reviews

246,355 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 20 reviews

53,380 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

94,336 users

An HTTP analyzer addon for Firefox

FirePHP by cadorn

Rated 4 out of 5 stars 46 reviews

50,472 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 65 reviews

132,133 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

4,288 users

Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser

Firecookie is part of Firebug since Firebug 1.10

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 48 reviews

9,587 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

FireRainbow by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 44 reviews

6,119 users

Javascript syntax highlighting for Firebug

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