Firefox is the powerful web browser available, if you are a web designer or developer Firefox and a set of amazing add-ons are a must tool. There are plenty of firefox add-ons available to extend the browser functionality. What makes Firefox a must tool for web designers and developers? The answer is its amazing add-ons, there are a good set of add-ons are available for web designers and developers to improve their productivity. In this post we are showcasing a set of Best Firefox Add-ons for Web Designers and Developers.

Firebug

Firebug

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…

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Web Developer

Web Developer

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

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ColorZilla

ColorZilla

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

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Html Validator

Html Validator

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon. New version 0.951 works with all Firefox versions 4-9 (and next release 10).

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YSlow

YSlow

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.

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FireFTP

FireFTP

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

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IE Tab

IE Tab

IE Tab – an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox…

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Greasemonkey

Greasemonkey

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

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Live HTTP Headers

Live HTTP Headers

View HTTP headers of a page and while browsing.

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Screengrab

Screengrab

Screengrab! saves webpages as images… but not for new versions of Firefox. FF changes too fast and I don’t have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate. Therefore, Screengrab is EOL.

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SEO for Firefox

SEO for Firefox

SEO for Firefox pulls in many useful marketing data points to make it easy get a holistic view of the competitive landscape of a market directly in the search results.

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SEO Doctor

SEO Doctor

SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.

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Window Resizer

Window Resizer

The Browser Window Resizer is useful tool for testing different screen sizes. It accurately resizes your browser so you can test to see if the web page you’re working on looks right in all of the standard resolution sizes.

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JavaScript Debugger

JavaScript Debugger

Venkman is the code name for Mozilla’s JavaScript Debugger. Venkman aims to provide a powerful JavaScript debugging environment for Mozilla based browsers.

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Dummy Lipsum

Dummy Lipsum

This extension generates “Lorem Ipsum” dummy text (the text is taken from the Lorem Ipsum site).

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NoScript Security Suite

NoScript Security Suite

The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

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Unhide Passwords

Unhide Passwords

If you aren’t concerned about someone looking over your shoulder and stealing your passwords, why hassle with those obfuscated password fields, where you never know whether you typed your 30 character code correctly or not…

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Poster

Poster

A developer tool for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. This allows you to interact with web services and inspect the results…

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Tab Scope

Tab Scope

Preview and navigate tab contents through popup.

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Server Switcher

Server Switcher

Easily switch between your development and live servers.

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