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A Complete Collection of Firefox Extensions for Developers

July 22, 2010. Written by Stefan Nistor

Mozilla Firefox isn’t just one of the best browsers in the world, it is also one of the most friendly browsers when it comes to Web Development.

There is a huge number of various Firefox extensions related to Web Development. In our complete collection of Firefox extensions for developers we try to show you the most important ones – those tools that every developer really needs. I am sure you will find our collection helpful and interesting. Enjoy!

Web Developer

The Web Developer extension adds a menu and a toolbar with various web developer tools. Probably the most important browser a developer should have.
give it a try

Site Information Tool

Site Information Tool
Provides information about a webpage (or website) including rankings, domain registration data (whois), IP information, server response and page data, thumbnail and more.
give it a try

FireFTP

FireFTP
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.
give it a try

PHP Developer Toolbar

PHP Toolbar
With this addon you can search functions quickly for the official function description directly into your browser without a new tab.Plus,many tools to help PHP developers.
give it a try

Firebug

Fire Bug
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.
give it a try

YSlow

YSlow
YSlow analyzes web pages and tells you why they’re slow based on Yahoo!’s rules for high performance web sites.
give it a try

Total Validator

Perform multiple validations and take screen shots in one go. This 5-in-1 validator works with external, internal, or local web pages using the Total Validator service or local copy of the desktop tool.
give it a try

SEOQuake SEO extension

SEO Quake
Seoquake is a Mozilla Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization(SEO) and internet promotion of web sites. Seoquake allows to obtain and investigate many important SEO parameters of the internet.
give it a try

PageDiff

Pagediff is a simple page compare application. It helps web developers and designers to see HTML-code(text) differences between web pages.
give it a try

JavaScript Debugger

JS Debugger
Aims to provide a powerful JavaScript debugging environment for Mozilla based browsers.
give it a try

iMacros

iMacros
iMacros was designed to automate the most repetitious tasks on the web. If there’s an activity you have to do repeatedly, just record it in iMacros. The next time you need to do it, the entire macro will run at the click of a button.
give it a try

Greasemonkey

Grease Monkey
Allows you to customize the way a webpage displays using small bits of JavaScript.
give it a try

Codetch

Codetch
Get the feel of Dreamweaver in a Firefox extension. Edit your documents right next to your web pages as you surf.
give it a try

Addon Developer Helper

Addon Developer Helper
This addon helps extension developers by providing easy way to restart Firefox. It also clears XPCOM cache during restart so that developer doesnt need to do it manually. It also helps loading unpacked addon source mainly used during development.
give it a try

Aardvark

Aardvark
Cool utility for cleaning up a page (for printing or better viewing) as well as for web development.
give it a try

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