My

by MobileArsenal

33 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,384 reviews

4,702,443 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,828 reviews

2,370,282 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...

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,565 reviews

2,328,622 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,588 reviews

890,704 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Flagfox by Dave G

Rated 5 out of 5 stars 648 reviews

559,598 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 158 reviews

506,736 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Personas Plus by Mozilla

Rated 3 out of 5 stars 966 reviews

336,732 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.

FireGestures by Gomita

Rated 4 out of 5 stars 907 reviews

375,589 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 135 reviews

117,617 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

298,566 users

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

Showcase by Josep del Rio

Rated 4 out of 5 stars 150 reviews

44,820 users

Easily find and manage your browser tabs.

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 1,003 reviews

269,037 users

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 166 reviews

96,735 users

An HTTP analyzer addon for Firefox

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 349 reviews

157,862 users

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

Fast Dial by telega

Download Now

Experimental

Rated 3 out of 5 stars 2,506 reviews

129,743 users

Visual bookmarks for Firefox.
  1. 1
  2. 2
  3. 3
Results 115 of 33

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