10 Crazy Firefox Add-ons for Web Developers

Sam Deering

Another round up of cool and as kickin’ Firefox Ad-ons for Web developers out there! There are about 20+ or so Firefox add-ons for Web developers in the market so far. As a professional, you can make use of any of them when required to enhance and increase the capacity and performance of your web development projects. Enjoy!

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1. Server Switcher

Easily switch between your development and live servers.

Server Switcher

Source + Demo

2. Total Validator

Perform many different validations in one go. This multiple validator works with external, internal, or local web pages using a local copy of the desktop tool.

Total Validator

Source + Demo

3. SeoQuake SEO Extension

Is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. SeoQuake allows to investigate many important SEO parameters.

SeoQuake SEO Extension

Source + Demo

4. Yahoo! YSlow for Firefox

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

Yahoo! YSlow for Firefox

Source + Demo

5. IE NetRenderer

Render the current page with IE NetRenderer.

IE NetRenderer

Source + Demo

6. Font Finder

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.

Font Finder

Source + Demo

7. 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.


Source + Demo

8. Palette Grabber

Creates a color palette for Photoshop, Paint Shop Pro, GIMP, Flash, Fireworks, Paint.NET, or OS X based on the current page.

Palette Grabber

Source + Demo

9. Window Resizer

Resize your browser to various standard resolution sizes…

Window Resizer

Source + Demo

10. GridFox – The Grid Layout Firefox Extension

A Firefox extension that overlays a grid on any website. If you can open it in Firefox, you can put a grid on top of it. It’s easy to customize, allowing you to create the exact grid you designed your layout around.


Source + Demo