Best Collection Of Firefox Add-ons For Developers

in Technology

Firefox is blessing of God for web developers and other users in my opinion because it has lot of extension, tools and add-ons which can help us more than any other web browser. I have very good collection of add-ons which I have discovered time to time as I need one of them. So, here is my wealth of development related with Firefox.



1. Web Developer


Web Developer Tool for firefox

The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome and Firefox, and will run on any platform that these browsers support including Windows, OS X and Linux.


Download Web Developer Add-on



2. Firebug

Add Firebug to your Firefox

Firebug integrates with Firefox to put a wealth of development at your fingertips while you browse. You can edit, debug and monitor CSS, HTML and JavaScript live in any web page. Firebug is one of the best developer extensions.


Download Firebug for your Firefox




3. ColorZilla

ColorZilla - Blog Of The World

Advanced eyedropper, color picker, gradient generator and other colorful goodies. With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program. You can Zoom the page you are viewing and mesure distance between any two points on the page. The built-in palette browser allows choosing colors from pre-defined color sets and saving the most used colors in custom palettes. DOM spying features allow getting various information about DOM elements quickly and easily. The powerful CSS gradient generator allows quick and easy creation of beautiful gradies and there’s more…


Download ColorZilla for your Firefox




4. MeasureIt

MeasureIt - Blog Of The World


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


Download MeasureIt for your Firefox




5. FireFTP

FireFTP - Blog Of The World


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


Download FireFTP for Firefox




6. HTML Validator

HTML Validator - Blog Of The World


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. You can checkout your website’s HTML validation from W3C Markup Validation Service.


Download HTML Validator for Firefox




7. Total Validator

Total Validator - Blog Of The World


Visit website of Total Validator for the latest version. Total Validator performs 4 types of validation with Internet, intranet, or local web pages. To work you need to install a copy of the desktop tool from our site.


Download Total Validator fore Firefox




8. Greasemonkey


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


Download Greasemonkey Firefox Addon




9. 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.


Download NoScript Security Suite Firefox Addon




10. IE Tab


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


Download IE Tab Firefox Addon




11. YSlow


YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. is the official open source website.


Donwload YSlow Firefox Addon




12. Screengrab

Screengrab! save 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.


Download Screengrab Firefox Addon




13. Webpage Screenshot in Firefox

FireShot captures webpage screenshot in Firefox entirely (see the demo:

The capture can be quickly annotated and:

+ Uploaded
+ Sent to clipboard
+ Printed
+ E-Mailed
+ Exported


Download Webpage Screenshot in Firefox, Firefox Addon




14. FontFinder

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.


Download FontFinder Firefox Addon




15. Codetch

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


Download Codetch Firefox Addon


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