Privacy Policy

1. Introduction

blackholecalc.com ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our educational physics calculator website.

2. Information We Collect

2.1 Personal Data

We do not collect any personal data. We do not require registration, accounts, or any form of personal identification to use our calculators.

2.2 Technical Data

• Cookies: We use only essential cookies (localStorage) to remember your cookie consent preference. No tracking or analytics cookies are used.
• Service Worker: We use browser caching (Service Worker API) to improve site performance. This is stored locally on your device and contains no personal information.
• Server Logs: Our hosting provider may collect standard server logs (IP addresses, browser type, access times) for security and performance monitoring. We do not access or analyze this data.

3. How We Use Information

The minimal technical data collected is used solely for:

• Remembering your cookie consent preference
• Caching site resources for faster loading
• Ensuring website security and functionality

We do not: Track your behavior, create user profiles, share data with third parties, or use data for marketing purposes.

4. Your Rights Under GDPR

As this website is operated from Europe and accessible to EU residents, you have rights under the General Data Protection Regulation (GDPR):

• Right to Access: Request information about data we hold (none in our case)
• Right to Erasure: Clear your browser's localStorage to remove cookie consent
• Right to Object: You can disable cookies in your browser settings
• Right to Portability: Not applicable as we collect no personal data

5. Data Security

All communication with our website uses HTTPS encryption. As we collect no personal data, there is minimal security risk. The only data stored is your cookie consent preference in your browser's localStorage, which you can delete at any time.

6. Third-Party Services

We do not use any third-party analytics, advertising, or tracking services. The website is self-contained with no external dependencies that collect user data.

7. Children's Privacy

Our website is educational and suitable for all ages. As we collect no personal information, there are no specific age restrictions. However, we recommend parental guidance for young children using the calculators.

8. Changes to This Policy

We may update this Privacy Policy from time to time. The "Last Updated" date at the top indicates when changes were made. Continued use of the website after changes constitutes acceptance of the updated policy.

9. Contact Information

If you have questions about this Privacy Policy or wish to exercise your GDPR rights, please contact us through our website.

Website: blackholecalc.com
Location: European Union

10. Legal Basis for Processing

Under GDPR, our legal basis for processing the minimal data we collect is:

• Legitimate Interest: Caching for website performance
• Consent: Cookie consent banner for localStorage usage