Websites, Communications & Cookies Privacy Notice

We care about your privacy. When Mozilla (that’s us) collects information about you, our Mozilla Privacy Policy describes how we handle that information.

This privacy notice applies to Mozilla operated websites and mobile apps, which include the domains mozilla.org, and firefox.com, among others. This includes, for example, addons.mozilla.org, bugzilla.mozilla.org, careers.mozilla.org, community.mozilla.org, developer.mozilla.org, mozillafoundation.org, people.mozilla.org, support.mozilla.org, and wiki.mozilla.org.

Things you should know

  • Cookie History: You can accept or decline individual cookies in your preferences in the Tools/Options/Privacy history section. Note that certain features of our products and services may not function properly without the aid of cookies.

  • Do Not Track: Mozilla does not track users across third-party websites to provide targeted advertising. In addition, if you have configured your browser to send a “Do Not Track” signal when accessing our websites, Mozilla will not utilize any of the tools described in the Metrics section.

  • Email: Our marketing communications are optional to receive and you can unsubscribe from the footer of the email or by updating your Mozilla email preferences, or for Thunderbird’s newsletter, on the Thunderbird website.

  • Analytics & Optimization: Follow the instructions below to prevent data collection about your visits to Mozilla websites:

  • Social Media: The social sharing buttons on Mozilla websites are designed not to share data with the applicable social media provider until you specifically click the relevant social media icon.


To make requests regarding your personal data, please contact us through our Data Subject Access Request Portal. If you have any other questions regarding personal data or our privacy practices, please contact us at compliance@mozilla.com. We respond to all requests we receive from individuals wishing to exercise their data protection rights in accordance with applicable data protection laws.