Privacy Policy

Your calculator inputs stay with you

The numbers you type into a calculator are processed in your browser. They are not sent to our servers or stored by us.

What is stored on your device

If you switch between light and dark mode, your choice is saved in your browser's local storage so the site remembers it. You can clear it from your browser settings.

Links to other services

Some pages may include links to partner services. If you sign up through them, we may earn a commission. These partners, and Buy Me a Coffee if you choose to tip, are separate websites that may set their own cookies under their own privacy policies.

Messages you send us

If you use the contact form, your name, email address and message are sent to us through Formspree, a form service, so that we can read and reply to them. We use them only to respond.

Advertising and cookies

This site may show ads served by Google AdSense or other ad partners. These partners may use cookies or similar technologies to show ads based on your visits to this and other sites. You can manage ad personalisation at Google Ads Settings and learn more about how Google uses data at policies.google.com/technologies/partner-sites.

Changes and questions

We may update this policy from time to time. If you have a question, please contact us.