std::dev

by Carlo Casta

10 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,759 reviews

2,754,402 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 941 reviews

1,377,048 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 203 reviews

688,508 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

304,943 users

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

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 33 reviews

44,908 users

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

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 48 reviews

177,475 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.

Pixel Perfect by Mike Buckley, Lorne Markham, others

Rated 4 out of 5 stars 98 reviews

16,293 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.

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

12,825 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.

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

3,652 users

A suite of tools for developers.

DOM Inspector by Scott MacGregor

Rated 2 out of 5 stars 5 reviews

189 users

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

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