Mozilla FireFox - Add-on Policies

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Add-on Policies

This is a preview of policies that will become effective on Aug 4, 2025.

Add-ons extend the core capabilities of Firefox, enabling users to modify and personalize their web experience. A healthy ecosystem, built on trust, is vital for developers to be successful and users to feel safe making Firefox their own. For these reasons, Mozilla requires all add-ons to comply with the following policies.

These policies are not intended to serve as legal advice: depending on where you are located, additional requirements may apply.

All add-ons are subject to these policies, regardless of how they are distributed.

When an add-on is given human review or otherwise assessed by Mozilla, these policies act as guiding principles for those reviews. Add-ons that do not comply with these policies may be rejected or disabled by Mozilla.

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