WebDev

by VISHAL SHAH

39 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 949 reviews

1,343,937 users

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

Web of Trust - WOT by WOT Services

Rated 3 out of 5 stars 1,588 reviews

1,149,150 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 734 reviews

757,649 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 335 reviews

337,738 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.

Web Developer by chrispederick

Rated 5 out of 5 stars 209 reviews

628,415 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 32 reviews

212,556 users

Manage any SQLite database on your computer.

RESTClient, a debugger for RESTful web services. by Chao ZHOU

Rated 4 out of 5 stars 78 reviews

146,474 users

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 154 reviews

190,788 users

View HTTP headers of a page and while browsing.

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 26 reviews

59,651 users

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

JSONView by Ben Hollis

Rated 5 out of 5 stars 126 reviews

105,496 users

View JSON documents in the browser.

YSlow by YSlow

Rated 3 out of 5 stars 186 reviews

121,089 users

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

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 207 reviews

70,045 users

Seoquake 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.

HackBar by Johan Adriaans, Pedro Laguna

Rated 5 out of 5 stars 39 reviews

35,246 users

Simple security audit / Penetration test tool.

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 49 reviews

155,072 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

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

XPath Checker by Brian Slesinsky

Rated 5 out of 5 stars 18 reviews

29,646 users

An interactive editor for XPath expressions.
  1. 1
  2. 2
  3. 3
Results 115 of 39

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

Recently Viewed