Privacy Policy

1. Overview

This policy explains how bmi.fengjun.wang collects, uses and protects visitor information. We respect your privacy and aim to process data transparently.

2. Calculation Data

Input values such as height, weight, waist circumference and age are processed locally in your browser for calculation purposes. They are not uploaded or stored on our servers.

3. Automatically Collected Information

To analyze site usage, we may collect anonymized information through analytics services, including visit time, pages visited, browser type, device type and approximate region.

4. Cookies and Similar Technologies

This site and its third-party analytics or advertising services may use cookies or similar technologies to recognize visitors, analyze behavior and display ads.

You can manage or delete cookies through your browser settings. Some features may still work, but analytics will be affected.

5. Third-Party Services

This site uses Google Analytics and Baidu Analytics to collect anonymized traffic data.

We also display third-party ads (such as Adsterra). Ad providers may collect and use data according to their own privacy policies.

Third-party data practices are governed by their respective privacy policies. Please review them for details.

6. How We Use Information

We use collected information to improve content and functionality, analyze traffic trends, maintain service security and support site operations.

7. Information Sharing

We do not sell your personal information. Aside from the third-party analytics and advertising services described above, we only disclose information when required by law or law enforcement.

8. Data Security

This site uses HTTPS to encrypt traffic and takes reasonable measures to protect website security. Because calculation data does not pass through our servers, we cannot and do not store your body data.

9. Your Rights

You can clear your browser cache and cookies at any time to remove local data, and manage personalized advertising preferences through browser and ad platform settings.

10. Children's Privacy

This site does not intentionally collect personal information from children under 13. If you believe a minor has provided personal information, please contact us.

11. Changes to This Policy

We may update this policy as features, third-party services or laws change. Updated versions will be published on this page.

12. Contact

If you have privacy questions, please contact us at [email protected].