Astral-devel pack

by Alexander Smirnov

110 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,755 reviews

2,547,593 users

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...

Web Developer by chrispederick

Rated 5 out of 5 stars 202 reviews

653,087 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 234 reviews

423,707 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 126 reviews

127,687 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 30 reviews

207,720 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

287,805 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 152 reviews

192,785 users

View HTTP headers of a page and while browsing.

FirePath by Pierre Tholence

Rated 4 out of 5 stars 20 reviews

59,752 users

FirePath is a Firebug extension that adds a development tool to edit, inspect and generate XPath 1.0 expressions, CSS 3 selectors and JQuery selectors (Sizzle selector engine).

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 327 reviews

164,098 users

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

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 26 reviews

56,961 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 124 reviews

95,991 users

View JSON documents in the browser.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 157 reviews

105,444 users

An HTTP analyzer addon for Firefox

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 205 reviews

70,807 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.

JS Switch by Hemiola SUN

Rated 4 out of 5 stars 20 reviews

13,358 users

Add a toolbar button or an option in Tool menu to toggle JavaScript

Selenium Expert (Selenium IDE) by Samit Badle

Rated 5 out of 5 stars 1 review

25,984 users

This plugin is my attempt to bring the wonderful world of inspections, tips, hints, fixes and refactoring to Selenese! The Selenium Expert goes through your selenium test cases suggesting improvements, giving tips and even lets you apply them.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
Results 115 of 110

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