My toolbox

by Leonard Nickolaev

13 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,888 reviews

20,704,696 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 1,840 reviews

2,114,296 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,012 reviews

1,254,753 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,804 reviews

1,260,021 users

The first and only download manager/accelerator built inside Firefox!

Stylish by

Rated 4 out of 5 stars 834 reviews

461,366 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Web Developer by chrispederick

Rated 5 out of 5 stars 248 reviews

470,067 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 142 reviews

104,451 users

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

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,204 reviews

190,633 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

41,450 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

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 34 reviews

26,063 users

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

Compact Menu 2 by Milly

Add a compact menu button to the navigation toolbar, and hide the menu bar.

Gmail Notifier by Doron Rosenberg

Rated 4 out of 5 stars 621 reviews

11,196 users

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

Tails Export by Robert de Bruin

Rated 5 out of 5 stars 11 reviews

42 users

An extension for Showing and Exporting Microformats. Currently it supports the following formats...

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