DevTools

by IceMan_T

15 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,756 reviews

2,583,556 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...

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 26 reviews

57,290 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.

YSlow by YSlow

Rated 3 out of 5 stars 176 reviews

128,387 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.

JSONView by Ben Hollis

Rated 5 out of 5 stars 124 reviews

97,570 users

View JSON documents in the browser.

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 48 reviews

179,935 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.

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 33 reviews

43,703 users

CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

26,605 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

5,635 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

Inline Code Finder for Firebug by Robert Nyman

Rated 4 out of 5 stars 14 reviews

11,433 users

Inline Code Finder is an add-on to Firebug, to be able to find HTML elements with any of the below issues:

* Inline JavaScript events
* Inline style
* javascript: links

Detailed description can be found athttp://www.robertnyman.com/inli...

FireRainbow by BinaryAge

Rated 4 out of 5 stars 43 reviews

7,973 users

Javascript syntax highlighting for Firebug

Javascript Command by max1million

Download Now

Experimental

Rated 4 out of 5 stars 13 reviews

2,886 users

For writing/testing javascript on Firefox windows (extension development, etc), web pages, and bookmarklets.

Jiffy by Bill Scott

Rated 3 out of 5 stars 12 reviews

118 users

Adds a new panel to Firebug for displaying timing measurements for JavaScript applications.

JSONRequest by Collin Jackson

Rated 5 out of 5 stars 1 review

9 users

Enables two-way data exchange with JSON data servers.

firesymfony by videlalvaro, Jacqueline Wan

Rated 5 out of 5 stars 5 reviews

64 users

Symfony Web Debug Toolbar for Firebug. Seamless Symfony debugging inside the popular Firebug.

Firebug Net Panel History Overlay by Mihailo Lalevic

Download Now

Experimental

Rated 3 out of 5 stars 4 reviews

37 users

Adds history functionality to firebug net panel.
Requires Firebug 1.2.0b4 or 1.2.0b6

For Firebug versions 1.1.* please use Net Panel Add-on Version 0.2.1

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

Recently Viewed