Privacy Policy

We believe your health-related information should remain completely private. Therefore:

• ✓We do not collect any personal information
• ✓We do not store your calculation inputs or results
• ✓We do not require account creation or sign-up
• ✓We do not use tracking cookies for advertising

All EtG calculations are performed entirely within your web browser using JavaScript:

• 1.You enter your information into the calculator form
• 2.The calculation runs locally in your browser
• 3.Results are displayed immediately on your screen
• 4.When you close the page, all data is gone

Technical note: No data is ever sent to our servers. You can verify this by checking your browser's network activity while using the calculator.

We use browser local storage only to save your theme preference (light/dark mode):

• •etg-theme: Stores your preferred color theme

This data is stored only on your device and never transmitted to us. You can clear it at any time through your browser settings.

Our website may use the following third-party services:

If you have any questions about this Privacy Policy, please contact us at privacy@etgcalc.org

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this page periodically.