My Favorite Add-ons

by madvic

24 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,044 reviews

21,757,460 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,809 reviews

2,202,032 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 222 reviews

545,988 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

295,479 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 341 reviews

156,002 users

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

YSlow by YSlow

Rated 3 out of 5 stars 201 reviews

93,338 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.

CacheViewer by benki

Rated 4 out of 5 stars 223 reviews

56,719 users

This extenion is GUI Front-end of "about:cache"...

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

47,847 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/

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

22,310 users

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

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 34 reviews

32,016 users

CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.

RAMBack by Stuart Parmenter

Rated 3 out of 5 stars 135 reviews

21,987 users

RAMBack will cause Firefox to issue an internal notification to free up memory that is otherwise held for performance purposes. Additional items will be hooked into this notification in the future.

SQL Inject Me by Security Compass

Download Now

Experimental

Rated 4 out of 5 stars 13 reviews

13,064 users

SQL Injection vulnerabilites can cause a lot of damage to a web application. A malicious user can possibly view records, delete records, drop tables or gain access to your server. SQL Inject-Me is Firefox Extension used to test for SQL Injection vuln...

Clear Cache Button by Chris Holtz

Rated 4 out of 5 stars 131 reviews

80,011 users

Adds a clear cache toolbar button. After installing the extension, find the clear cache button in the toolbar customization...

CSS Usage by Teun van Eijsden

Rated 4 out of 5 stars 38 reviews

20,743 users

Firebug extension to view which CSS rules are actually used.

Pixel Perfect by Mike Buckley, Lorne Markham, others

Rated 4 out of 5 stars 102 reviews

14,426 users

Pixel Perfect is a Firefox extension that allows web developers and designers to easily overlay a web composition with semi-transparent layers (images). These layers can be consequently used for per pixel comparison between the page and a layer.
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