Privacy Policy

Last updated: June 2025

No personal data is collected. All calculator tools run client-side in your browser. Nothing you type into any calculator is sent to our servers.

Cookies

We currently use no cookies except a single localStorage entry to remember your dark/light theme preference. Google Analytics and Google AdSense may be added in the future, at which point this policy will be updated with prior notice.

Accounts

No account or registration is required to use any tool on this site.

Contact

For any data questions: contact@usefullpage.com