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.
File Size2.1 MB
Operating System Windows Vista Windows 7 Windows Windows XP
System RequirementsFirefox 3.5 - 3.7