Privacy Policy

This Privacy Policy explains how isbnconverter.com ("we", "our", or "us") collects, uses, and protects your information when you use our service.

ISBN Converter Privacy Policy

Effective Date: 2026-05-13

1. Information We Collect

  • Account Information: When you create an account, we collect your email address and the name you register with. Payment card details are not collected directly; billing and payment processing is handled by Polar, our third-party payment provider.
  • Usage Data: We log ISBN codes and other text submitted for conversion, and store basic analytics data about how the Service is used, such as page views and feature usage patterns. This data is used to operate and improve the Service.
  • Cookies and Tracking: We use browser cookies, Google Analytics, and PostHog to understand how users navigate the Service, monitor performance, and identify areas for improvement. You can manage cookie preferences using the consent banner shown on your first visit.

2. How We Use Your Information

  • To operate, maintain, and provide the Service and all of its features to you.
  • To manage billing and process credit purchases through our payment processor, Polar.
  • To analyse usage patterns and improve the functionality and performance of the Service over time.
  • To respond to support requests, questions, and other enquiries you submit to us.

3. How We Share Your Information

  • We do not sell, rent, or trade your personal data to third parties.
  • We share data with trusted third-party service providers (including Polar for payment processing, Google Analytics for usage analytics, and PostHog for product analytics) solely to the extent necessary to deliver the Service.
  • We may disclose your information if required by law, court order, or government authority, or where necessary to protect the legal rights, property, or safety of ISBNConverter.com or others.

4. Data Retention

  • Files and ISBN data submitted for conversion are deleted immediately after processing is complete. In the event of a system error, files may be retained temporarily for debugging purposes and are deleted once the issue is resolved.
  • We retain account information (including your email address, credit balance, and transaction history) for as long as your account is active or as required to fulfil our legal obligations.

5. Your Rights

  • If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR), including the right to access, correct, delete, or restrict the processing of your personal data, and the right to object to certain processing activities.
  • To exercise or discuss your rights, please contact us using the form on our contact page. We will respond to verifiable requests within the timeframes required by applicable law.

6. Data Security

  • We implement reasonable technical and organisational measures to protect your personal data against unauthorised access, accidental loss, alteration, or disclosure.
  • No method of transmission over the internet or method of electronic storage is completely secure. While we take reasonable precautions, we cannot guarantee absolute security against all threats.
  • You are responsible for keeping your account password and access credentials confidential. If you believe your account has been accessed without authorisation, please contact us promptly.

7. Changes to This Policy

  • We may update this Privacy Policy from time to time to reflect changes in our practices, the technologies we use, legal requirements, or other factors relating to how we operate the Service.
  • When we make changes, we will update the effective date shown at the top of this page. We encourage you to review this policy periodically so you are aware of how your information is handled.
  • Your continued use of the Service after any changes are posted constitutes your acceptance of the updated Privacy Policy.

8. Contact

Have questions about this Privacy Policy, how we handle your personal data, or how to exercise your rights? Please reach out using our contact form and we will respond as soon as possible.