My Favorite Add-ons

by madvic

24 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,052 reviews

19,109,140 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 4 out of 5 stars 2,118 reviews

2,017,861 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 263 reviews

459,013 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 375 reviews

249,400 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 360 reviews

136,018 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 221 reviews

70,321 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 226 reviews

66,412 users

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

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

19,399 users

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

FirePHP by cadorn

Rated 4 out of 5 stars 50 reviews

38,501 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/

RAMBack by Stuart Parmenter

Rated 3 out of 5 stars 149 reviews

24,518 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 26 reviews

11,464 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...

Screengrab by Andy M

Rated 4 out of 5 stars 587 reviews

19,021 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

CSS Usage by Teun van Eijsden

Rated 4 out of 5 stars 40 reviews

17,816 users

Firebug extension to view which CSS rules are actually used.

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 35 reviews

23,988 users

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

NoDoFollow by Zachary Fox

Rated 4 out of 5 stars 202 reviews

10,479 users

Just a simple extension to highlight links in a page according to nofollow / dofollow status.
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