Privacy Policy

2. Information We Collect

2.1 Information You Provide to Calculators

When using our calculators, you may enter:

• Age (in years)
• Resting heart rate (optional, in BPM)

This information is processed entirely within your browser using JavaScript. It is never transmitted to our servers, stored in a database, or shared with third parties. The data is removed when you close the tab or refresh the page.

2.2 Automatically Collected Information

We may automatically collect technical data, including:

• IP address
• Browser type and version
• Pages visited and time spent
• Device type and operating system
• Screen resolution
• Referral source

This information is used only for analytics, security, and service improvement.

2.3 Cookies and Tracking Technologies

We use cookies and similar technologies for:

• Analytics
• Site performance
• Security

For more details, please see our Cookie Policy.

3. How We Use Your Information

We use automatically collected data for:

• Service operation and maintenance
• Analytics and improvement
• Technical optimization
• Security and abuse prevention
• Legal compliance

We do not use your data for:

• Targeted advertising
• Selling personal information
• Creating individual health profiles
• Automated decision-making

4. Third-Party Services

4.1 Google Analytics

We may use Google Analytics to analyze website usage. Google may collect technical data such as IP addresses. Google may transfer data to third parties where required by law or where those parties process information on Google's behalf.

You can opt out using the Google Analytics Opt-out Browser Add-on.

4.2 Social Media Sharing

Our Service may include social media sharing features. These features may collect your IP address and page information according to the social platform's privacy policy.

4.3 Content Delivery Networks (CDN)

We may use CDN services to improve performance. CDNs may log technical data such as IP addresses.

5. Data Security

We use reasonable security measures including:

• HTTPS encryption
• Client-side processing of health data
• No storage of sensitive health information
• Regular security reviews

However, no method of transmission or storage is completely secure.

6. Data Retention

We do not store health-related inputs.

Automatically collected technical data may be retained as follows:

• Analytics data: typically 26 months
• Server logs: typically deleted within 90 days

7. Your Rights and Choices

Depending on your location, you may have rights including:

• Access
• Correction
• Deletion
• Objection
• Portability
• Withdraw consent

EEA (GDPR)

EEA residents have additional rights, including lodging a complaint with a supervisory authority.

California (CCPA)

California residents may request:

• Disclosure of data collected
• Deletion of data
• Opt-out of sale (we do not sell data)

8. International Data Transfers

Your data may be processed outside your jurisdiction. We take reasonable steps to ensure data is protected, including GDPR-compliant safeguards where applicable.

9. Children's Privacy

Our Service is not intended for users under 13. We do not knowingly collect data from children under 13.

10. Links to Other Websites

We are not responsible for third-party sites. Review their privacy policies before use.

11. Changes to This Privacy Policy

We may update this policy. Changes are effective when posted.

12. Contact Us

If you have any questions about this Privacy Policy, please contact us:

Email: snaphrzones@gmail.com