My Favorite Add-ons

by sspice313

16 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,063 reviews

1,934,776 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 258 reviews

445,768 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 371 reviews

241,474 users

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

Personas Plus by Mozilla

Rated 3 out of 5 stars 853 reviews

249,530 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

132,238 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

67,463 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.

Firesizer by orev

Rated 4 out of 5 stars 133 reviews

24,755 users

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Screengrab by Andy M

Rated 4 out of 5 stars 587 reviews

18,689 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.

Personas Rotator by Baris Derin

Rated 5 out of 5 stars 58 reviews

6,371 users

Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?

Firepicker by thedarkone2

Rated 5 out of 5 stars 58 reviews

13,101 users

Simple color picker plugin for Firebug.

Dummy Lipsum by Sogame

Rated 4 out of 5 stars 50 reviews

7,844 users

Generate "Lorem Ipsum" dummy text (from http://www.lipsum.com).

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

6,504 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

shoestoogo by alkicat

Not yet rated

0 users

  1. 1
  2. 2
Results 115 of 16

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections