Kiwix Privacy Policy - Your Privacy and Offline Knowledge Access- Kiwix

Kiwix software does not record any personal information about its users.

This privacy policy applies to the website only. It does not cover our subsites like or

Last Update: 3 July 2023


This website uses Matomo On-Premise to generate statistics about the usage of the site. Matomo is fully open-source so that you can check its code and make sure there are no surprises. We do not share this data with third parties.

Tracking of backend usage

The backend of our website is exclusively accessed by members of our team and therefore password protected. For security reasons we track all activity in the backend (including all attempts to log into the backend).

Embedded videos

This website may contain videos embedded from platforms like YouTube or Vimeo. Please note that these platforms may be able to track your visit on our website and your usage of these videos. For more details, please refer to the YouTube privacy policy or the Vimeo privacy policy.


If you fill in and submit a form on this website, all data you provide is stored on our servers in Basel (Switzerland), operated by Cyon GmbH (see below). In addition, this data is transferred by email to our staff. Since email is not a secure channel we strongly recommend that you do not transfer any sensitive information through our forms.

Our forms implement the Google reCAPTCHA service as a protection against spam. In addition to certain standard Google cookies, reCAPTCHA sets a necessary cookie (_GRECAPTCHA) when executed for the purpose of providing its risk analysis.


Our online donation form is operated by Donorbox (Rebel Idealist LLC, 1885 Mission Street, San Francisco, CA 94103), while payments are processed by Stripe (Stripe, Inc., 185 Berry Street, Suite 550, San Francisco, CA 94107). For more information, please refer to the Donorbox privacy policy or the Stripe privacy policy respectively.

Your rights as a data subject

To execute your rights regarding your personal data as guaranteed by chapter 3 of the GDPR, you can contact us any time through

Kiwix Apps and Server logs

For any file request our webserver logs certain data about the device the request is coming from like IP address, operating system and web browser. However, this data is not used to track individual users, and it is stored only for a limited time period.

As far as the Kiwix app goes, it does not collect any data on your usage of the app. Basically we only know that people download Kiwix, nothing more.

Website hosting

Our website is hosted by Cyon GmbH in Basel (Switzerland). For more information about how they process personal data on their servers, please read their privacy policy (available in German only).