Web Dev

by goldenv

12 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,252 reviews

579,921 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...

iMacros for Firefox by Ipswitch, Inc.

Rated 4 out of 5 stars 572 reviews

465,892 users

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,228 reviews

856,182 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 284 reviews

291,028 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 951 reviews

308,976 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Tamper Data by Adam Judson

Rated 4 out of 5 stars 180 reviews

63,469 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 387 reviews

169,086 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 180 reviews

83,674 users

View HTTP headers of a page and while browsing.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 343 reviews

90,982 users

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

JSONView by Ben Hollis

Rated 5 out of 5 stars 179 reviews

80,633 users

View JSON documents in the browser.

YSlow by YSlow

Rated 3 out of 5 stars 210 reviews

35,225 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.

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

3,384 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.

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

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