Last updated: April 19, 2026 · Effective immediately
At ModCalculator.org, your privacy is important to us. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your personal data. By using this website, you agree to the practices described below.
Calculator Inputs: All modulo calculations are performed entirely in your web browser using JavaScript. The numbers you enter are never transmitted to our servers. We have no access to your inputs or results.
Contact Form: If you submit a message through our contact page, we collect your name, email address, and message content solely to respond to your enquiry.
Analytics: We may collect anonymous, aggregated data such as page views and traffic sources to improve the site. This data cannot be used to identify any individual.
ModCalculator.org does not use advertising cookies, tracking cookies, or third-party analytics cookies that identify individuals. Calculation history is stored only in your browser's session memory and is cleared when you close the tab.
We use Google Fonts to load typefaces. Google may log your IP address when the fonts are requested. Beyond this, we do not load third-party advertising or tracking scripts.
Our site is served over HTTPS. Contact form submissions are handled securely. We retain contact form data only as long as necessary to respond and then delete it.
You have the right to request access to, correction of, or deletion of any personal data we hold about you (limited to contact form submissions). To exercise these rights, contact us at blooginga@gmail.com.
ModCalculator.org is a general-purpose educational tool and does not knowingly collect personal information from children under the age of 13.
We may update this Privacy Policy from time to time. The date at the top of the page indicates when it was last revised. Continued use of the site constitutes acceptance of the updated policy.
If you have any questions about this Privacy Policy, please reach out: