Extension Development for Mozilla

This page will show you how to get started developing your own extensions for Mozilla, Mozilla Firefox, Mozilla Thunderbird and other Gecko based clients

Using the extension development kit

To make life a lot easier I've developed a small extension kit which will help you get started developing you own extension

Download the extension development kit

Using ANT

To compile your extension into a XPI file you need the following tools:

First you need to verify that your ant installation works. Run the following command.

ant -version


Now you can already compile your first extension. Run the following command.


This you end up with a test.xpi file in the current directory

Possible ANT actions

Do see what ANT actions you can do run the following command.

ant -projecthelp


Slides from my Danish presentation can be downloaded here in the following formats:

OpenDocument Presentation, PDF, PowerPoint

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