Addon Development

by David Fichtmueller

8 Add-ons in this Collection

XPath Checker by Brian Slesinsky

Rated 5 out of 5 stars 19 reviews

29,711 users

An interactive editor for XPath expressions.

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 88 reviews

178,065 users

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

Locale Switcher by bsmedberg

Rated 4 out of 5 stars 26 reviews

31,878 users

Displays a menu item for switching the application locale.

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

2,898 users

A suite of tools for developers.

Chrome List by Gijs Kruitbosch

Rated 4 out of 5 stars 30 reviews

588 users

Lets you take a peek at the files under the hood of your Firefox installation and profile...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

7,435 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

QuickRestart by Juan Carlos Avila B.

Rated 4 out of 5 stars 123 reviews

1,299 users

Ever needed to restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files (such as userChrome.css or user.js)?

This simple extension adds a "Restart Firefox" item to the "File" menu. You can ...

Filter Extensions by Blair McBride

Rated 5 out of 5 stars 47 reviews

16 users

Adds a search box and a filter drop-down to the Addons window, to filter your installed extensions.

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