Area of a Circle

Calculate area of a circle given any of the following, radius, diameter or circumference and vice versa

Not yet rated
14 users
Added January 11, 2013



Rated 1 out of 5 stars (3)
183 users
Added January 10, 2013

Angle Conversion

Convert among measure of angle viz., degree, radian, mil, grad, minute, second, point, circle etc.

Rated 5 out of 5 stars (1)
33 users
Added January 8, 2013

Copy in Forums Requires Restart

A tiny add-on that's help you copying from javascript protected content

Not yet rated
30 users
Added January 4, 2013

Kmoney Requires Restart


Not yet rated
1 user
Added January 3, 2013

Etao QR Code

Show QR code of current URL, so you can visit it on mobile devices such as iPhone, iPad, Android phone or pad very fast and easily.

Rated 5 out of 5 stars (1)
233 users
Added January 2, 2013

Addons Quick Search Requires Restart

Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.

Rated 5 out of 5 stars (11)
645 users
Added January 1, 2013


record firefox uptimes

Rated 5 out of 5 stars (2)
17 users
Added December 30, 2012

PplUMayShit: Irritating FB People U May Know Hider

It will relieve you from irritating people you may know mostly which is full of pornographic fake profile and ads of the slide bar of facebook which ruins your concentration while using facebook.

Rated 5 out of 5 stars (1)
9 users
Added December 30, 2012


Get easily data (in csv format) from any page using very simple script to define what data to scrap from a page

Rated 2 out of 5 stars (2)
142 users
Added December 29, 2012

NpO Nation Parser

Have your nation and warchest information saved automatically.

Not yet rated
26 users
Added December 28, 2012

HN Utility Suite Requires Restart

Simple add-on for allowing collapsible comments on Hacker news. Will be adding more functionality as needed.

Rated 5 out of 5 stars (6)
469 users
Added December 27, 2012


Note: This addon is no longer maintained!

Provides a very clean interface to YouTube.
Hides in-video ads, comments, related videos, promotional videos, annotations, channels etc.

Rated 4 out of 5 stars (28)
2,207 users
Added December 26, 2012

Saclier World Add-On Requires Restart

Saclier World Add-On

Not yet rated
1 user
Added December 24, 2012

UnZIP Requires Restart

UnZIP any zip files by Firefox itself.

Rated 3 out of 5 stars (3)
2,835 users
Added December 23, 2012

EZlogin Requires Restart

EZlogin. Easy. Secure. Login.

Not yet rated
1 user
Added December 20, 2012



Rated 4 out of 5 stars (6)
4,708 users
Added December 13, 2012

www.go Requires Restart

Have you ever wondered where clicking on random links would take you? www.go takes you on a random trip through the web, clicking on links every seven seconds and taking you to a new place.

Rated 3 out of 5 stars (4)
23 users
Added December 13, 2012


Log-in directo al SIDING desde Firefox.

Not yet rated
15 users
Added December 13, 2012

MDK Browser Extension

A collection of userscripts to make Moodle developers' life easier.

Rated 5 out of 5 stars (2)
13 users
Added December 11, 2012