Privacy Policy

This Privacy Policy explains how A1C Calculator ("we," "us," or "our") collects, uses, and protects information when you visit a1c-calculator.net (the "Site"). We are committed to protecting your privacy.

1. Information We Do NOT Collect

Our calculators run entirely in your browser. We do not collect, store, or transmit:

• Your A1C values or blood sugar readings
• Any personal health information
• Your name, email address, or account details
• Medical history or health records

All calculations happen locally in your browser. No health data is ever sent to our servers.

2. Information We Collect Automatically

When you visit the Site, we automatically collect limited, non-personal information through analytics:

• Usage data: Pages visited, time on site, referring URL, browser type, device type
• Interaction events: Whether a calculator was used (not the values entered)
• IP address: Anonymized and not stored at the individual level

3. Google Analytics (GA4)

We use Google Analytics 4 to understand how visitors use the Site. GA4 collects anonymized usage data using cookies. This data helps us improve our tools and content. Google may use this data in accordance with their own Privacy Policy.

You can opt out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.

4. Cookies

The Site uses cookies placed by Google Analytics to distinguish users and sessions. These are analytics cookies only. We do not use advertising cookies or sell data to third parties. You can disable cookies in your browser settings at any time.

5. Third-Party Links

Our Site may contain links to external websites such as the American Diabetes Association (diabetes.org) or the National Institute of Diabetes and Digestive and Kidney Diseases (niddk.nih.gov). We are not responsible for the privacy practices of these external sites.

6. Children's Privacy

This Site is not directed at children under 13 years of age. We do not knowingly collect any information from children.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be reflected by an updated "Last updated" date at the top of this page. We encourage you to review this page periodically.

8. Contact Us

If you have questions about this Privacy Policy, please contact us at [email protected].