Privacy Policy

Last updated: October 10, 2025

1. Information We Collect

Personal Information

  • Email address and/or phone number (Opt in)
  • Browser fingerprints (for cross-device synchronization)
  • Usage analytics and service interaction data

2. How We Use Your Information

We use the collected information for:

  • Providing and maintaining the service
  • User authentication and account management
  • Cross-device synchronization (Pro accounts)
  • Service improvement and analytics
  • Customer support and communication
  • Detecting and preventing fraud or abuse

3. Data Security and Privacy Protection

Security Measures

  • HTTPS encryption for all communications
  • A secure authentication system
  • Regular security audits and updates
  • Minimal data collection principle
  • No storage of documents

4. Information Sharing and Disclosure

We do not sell, trade, or otherwise transfer your personal information to third parties. Limited sharing may occur in these situations:

  • Service Providers: third-party providers for authentication and database services
  • Analytics: third-party analytics providers for anonymized usage statistics such as Google Analytics
  • Legal Requirements: When required by law or to protect our rights

5. Data Retention

  • Account Data: Retained while your account is active
  • Analytics Data: May be retained longer for service improvement

6. Your Rights and Choices

You have the right to:

  • Access: View all information we have about your account
  • Correction: Update or correct your personal information
  • Deletion: Request complete account and data deletion
  • Portability: Export your data in a standard format

7. Cookies and Tracking

We use cookies and similar technologies for:

  • Authentication and session management
  • User preferences and settings
  • Analytics and performance monitoring
  • Security and fraud prevention

9. Changes to This Privacy Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new privacy policy on this page and updating the "Last updated" date. Changes become effective immediately upon posting.

10. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us through our support page or email us directly.