Develop&HostingTools

by DecaY

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,258 reviews

505,105 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...

Web Developer by chrispederick

Rated 5 out of 5 stars 284 reviews

287,626 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 387 reviews

167,135 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 343 reviews

89,587 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Firepicker by thedarkone2

Rated 5 out of 5 stars 55 reviews

7,479 users

Simple color picker plugin for Firebug.

Header Spy by IronNem

Rated 4 out of 5 stars 18 reviews

2,645 users

Shows HTTP headers on statusbar.

Firediff by kpdecker

Rated 4 out of 5 stars 16 reviews

4,649 users

Track Changes in Firebug

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