Add-on Builder

Add-on Builder provides powerful APIs and tools that allow developers to create add-ons for Firefox using HTML, CSS and JavaScript. When your add-on is complete, we make it easy to share it with over 400 million Firefox users world wide.

The Add-on Builder is a web-based development environment that provides additional functionality for working with the Add-on SDK.

Edit code in a feature-rich environment, test your add-ons instantly, and use built-in version control & sharing.

What is new in this release:

Version 0.8.2 fixed a bug to allow Jetpack to work on the latest nightlies of Firefox and added a banner at the top of about:jetpack informing users that the prototype is no longer under active development.

Requirements:

Firefox 3.5 - 3.7