Privacy Policy

What Data We Collect

Personal data: None. We do not ask for your name, email, phone number, or any identifying information. We do not have user accounts or registration.

Calculator Inputs

When you use our calculators, all calculations happen entirely in your browser. Numbers you enter are not sent to our servers. When you use the URL sharing feature, your inputs are encoded in the URL as query parameters — this URL exists only on your device until you choose to share it.

Analytics

We may use privacy-respecting analytics (such as page view counts without personal identification) to understand which calculators are most useful. No personally identifiable information is collected.

Cookies

We do not use tracking cookies. We do not use advertising cookies. We do not use third-party analytics that track you across websites.

Third Parties

We do not sell, share, or transmit your data to third parties. If you use the WhatsApp sharing button, you are opening WhatsApp on your device — we do not transmit data to WhatsApp; the sharing happens natively through your device.

Children

Our service is not directed at children under 13 and we do not knowingly collect any information from children.

Changes

If we change this policy, we will update the date at the top of this page. Material changes will be noted on the homepage.

Contact

Questions about privacy? Contact us through the About page.