Mozilla is committed to ensuring a great add-ons experience for our users and developers. Please review the policies below before submitting your add-on.

Add-on Submission

Find out what is expected of add-ons we host and our policies on specific add-on practices.

Review Process

What happens after your add-on is submitted? Learn about how our Editors review submissions.

Maintaining Your Add-on

Add-on updates, transferring ownership, user reviews, and what to expect once your add-on is approved.

Featured Add-ons

How up-and-coming add-ons become featured and what's involved in the process.

Developer Agreement

Terms of Service for submitting your work to our site. Developers are required to accept this agreement before submission.

Contacting Us

How to get in touch with us regarding these policies or your add-on.