Privacy Policy

Last updated: February 1, 2026

Your privacy matters

At Overhydration Check, we believe your personal data should stay personal. This site is designed with privacy as a core principle.

No data collection

This site does not store or track personal data. All calculations are performed locally in your browser. Your weight, activity details, and water intake information never leave your device.

Analytics

We use privacy-friendly analytics (Vercel Analytics) to understand general usage patterns. This data is aggregated and anonymized — we cannot identify individual users. If Google Analytics is enabled, it operates under Google's privacy policy.

No cookies

We do not use cookies for tracking. Any analytics cookies are strictly necessary for understanding aggregate usage.

Local processing

The hydration calculations happen entirely within your browser using JavaScript. No data is sent to any server. When you close the page, all entered information is gone.

Questions?

If you have any questions about this privacy policy, please feel free to reach out through our website.