Joomla Developer Toolbox

by Joomla-QuickStart

25 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,241 reviews

660,472 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...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 278 reviews

207,060 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 284 reviews

290,851 users

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

QuickJava by Doug G

Rated 5 out of 5 stars 190 reviews

185,409 users

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,226 reviews

109,217 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 387 reviews

169,077 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 180 reviews

83,650 users

View HTTP headers of a page and while browsing.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 343 reviews

91,214 users

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

HttpFox by Martin Theimer

Rated 4 out of 5 stars 173 reviews

50,881 users

An HTTP analyzer addon for Firefox

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

13,574 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

Html Validator by Marc Gueury

Rated 4 out of 5 stars 207 reviews

30,309 users

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

Until Firefox 56, use 0.974 (other versions)
For Firefox 57, see Web Extensions below

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 75 reviews

71,406 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

YSlow by YSlow

Rated 3 out of 5 stars 210 reviews

35,118 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.

FirePHP by cadorn

Rated 4 out of 5 stars 51 reviews

19,434 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

IE View by EmmaSawyers, searchresults

Rated 3 out of 5 stars 152 reviews

45,349 users

Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.
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