Web developer

by Aldis

17 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,113 reviews

1,713,869 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 1,033 reviews

1,112,319 users

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

iMacros for Firefox by Ipswitch, Inc.

Rated 4 out of 5 stars 453 reviews

920,692 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!

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 370 reviews

246,405 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 272 reviews

293,524 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 262 reviews

394,501 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 375 reviews

215,044 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 173 reviews

121,442 users

View HTTP headers of a page and while browsing.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 107 reviews

73,098 users

Wappalyzer is a browser extension that identifies software on websites.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 360 reviews

114,728 users

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

Modify Headers by Gareth Hunt

Rated 4 out of 5 stars 78 reviews

110,355 users

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

FlashFirebug by O-Minds

Rated 4 out of 5 stars 5 reviews

18,594 users

Debug Flash/SWF files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer. (NOW SUCCEEDED BY FLASH DEBUGGER. CHECK ADDON DESCRIPTION)

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

2,196 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

Clear Cache Button by Chris Holtz

Rated 3 out of 5 stars 135 reviews

14,763 users

Adds a clear cache toolbar button. After installing the extension, find the clear cache button in the toolbar customization...

MD5 Reborned Hasher by PhoneixS

Rated 4 out of 5 stars 22 reviews

3,526 users

This extension allows to check the MD2, MD5, SHA1, SHA256, SHA384 or SHA512 sum of a downloaded file.
  1. 1
  2. 2
Results 115 of 17

What are Collections?

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

Explore Collections

More by this User

See all collections by this user