My Favorite Add-ons

by gccsistemas

5 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,793 reviews

2,211,735 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 217 reviews

557,677 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 305 reviews

296,008 users

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

IP Address and Domain Information by webdevmedia

Rated 4 out of 5 stars 17 reviews

21,770 users

The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.

Domain Details by Ian Willis

Rated 4 out of 5 stars 47 reviews

6,757 users

Displays Server Type, Headers, IP Address, Location Flag, and links to Whois Reports. Shows links to check server status and cache when page fails to load.

What are Collections?

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

Explore Collections

Recently Viewed