Please note, this is a STATIC archive of website developer.mozilla.org from 03 Nov 2016, cach3.com does not collect or store any user information, there is no "phishing" involved.

The Add-on Builder tool was retired on April 1, 2014.

The Add-on Builder was a web-based development environment that allowed developers to create add-ons using the SDK APIs, but without needing to use the jpm command line tool. It was retired on April 1, 2014, and the "builder.addons.mozilla.org" domain now redirects to this page.

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 Last updated by: jwhitlock,