Add-ons

German Dictionary by KaiRo

German Dictionary (new Orthography) for spellchecking in Mozilla products

Spanish (Spain) Dictionary by tnarik, RickieES

Spanish/Spain Dictionary

European Portuguese Spellchecker by Alberto Simões, António Manuel Dias, others

European Portuguese (pt-PT) Dictionary

British English Dictionary by Mark Tyndall

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

RequestPolicy by Justin Samuel

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Linkification by y5

Converts text links into genuine, clickable links...

United States English Spellchecker by jooliaan

This dictionary is no longer maintained. Use this dictionary instead.

UnPlug by h2g2bob

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

Collector's Note Herunterladen von in Webseiten eingebetteten Objekten wie z.B. Flashvideos. Download integrated objects like flashclips.

Forecastfox Weather by Ensolis

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Collector's Note Wettervorhersage (Profile für mehrere Orte möglich) Weatherforcast (Profil for different locations possible)

URL Fixer by eyeo GmbH

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Collector's Note Autokorrektur bei der Adresseneingabe. Autocorrection for URLs.

Dictionary Switcher by Dao Gottwald, MrWarper

Toggles dictionaries automatically or manually and displays the currently selected one

ImageTweak: zoom/rotate images and videos! by Carlo Alberto Ferraris

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Collector's Note Kommende Erweiterungsfunktion für Firefox. Coming addonfunktion for your firefox.

MR Tech Toolkit by mrtech

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...