My Favorite Add-ons

by tyll

23 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,761 reviews

2,281,256 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...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 238 reviews

373,091 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 333 reviews

318,632 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Web Developer by chrispederick

Rated 5 out of 5 stars 206 reviews

573,519 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 154 reviews

172,269 users

View HTTP headers of a page and while browsing.

FireGestures by Gomita

Rated 4 out of 5 stars 858 reviews

373,809 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 127 reviews

115,372 users

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

Personas Plus by Mozilla

Rated 3 out of 5 stars 951 reviews

435,074 users

Personas 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 Personas.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 159 reviews

93,976 users

An HTTP analyzer addon for Firefox

Autofill Forms by Sebastian Tschan, Egor Zindy, others

Rated 3 out of 5 stars 388 reviews

68,170 users

Autofill Forms enables you to fill out web forms with one click.

HackBar by Johan Adriaans, Pedro Laguna

Rated 5 out of 5 stars 39 reviews

31,844 users

Simple security audit / Penetration test tool.

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 81 reviews

197,254 users

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

NoRedirect by Kai Liu

Rated 4 out of 5 stars 48 reviews

12,110 users

NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.

SOA Client by Michael S.

Rated 4 out of 5 stars 13 reviews

11,448 users

A portable client to access web services and UDDI registries.

Littlefox for Firefox by alfredkayser

Rated 4 out of 5 stars 130 reviews

14,671 users

LittleFox, designed for optimal screen usage, leaving lots of room for browsing. Includes support for many extensions.

Install the About Home Themer extension to also theme the about:home page.
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