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Privacy Policy

Last updated: December 5, 2025

Introduction

At Printable Calendar, we take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your information when you use our calendar creation service.

Information We Collect

1. Account Information

When you sign in using Google OAuth, we collect:

  • Your email address
  • Your name and profile picture (from Google)
  • Unique user identifier

2. Calendar Data

When you save calendars, we store:

  • Calendar names
  • Event data (encrypted)
  • Creation and modification timestamps

3. Technical Information

We automatically collect:

  • IP address and browser type
  • Device information and screen size
  • Usage statistics and error logs

How We Use Your Information

  • Provide Services: To enable calendar creation, storage, and retrieval
  • Account Management: To manage your authentication and user profile
  • Improve Service: To analyze usage patterns and improve functionality
  • Security: To detect and prevent fraud, abuse, and security incidents

Data Security

We implement industry-standard security measures to protect your data:

  • End-to-End Encryption: Your calendar events are encrypted using AES-256-GCM before being stored
  • Client-Side Keys: Encryption keys are generated on your device and never sent to our servers
  • Row-Level Security: Database policies ensure you can only access your own data
  • Secure Authentication: We use Supabase Auth with Google OAuth for secure sign-in
  • HTTPS: All data transmission is encrypted using SSL/TLS

Data Retention

We retain your data for as long as your account is active. When you delete your account or specific calendars, the data is permanently removed from our servers within 30 days.

Third-Party Services

We use the following third-party services:

  • Google OAuth: For authentication (subject to Google's Privacy Policy)
  • Supabase: For database and authentication services (subject to Supabase's Privacy Policy)
  • Vercel: For hosting (subject to Vercel's Privacy Policy)

Your Rights

You have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Delete your account and data
  • Export your calendar data
  • Opt-out of data collection (by not creating an account)

Cookies and Tracking

We use essential cookies for authentication and session management. We do not use third-party tracking cookies or analytics services.

Children's Privacy

Our service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting a notice on our website or sending an email to your registered address.

Contact Us

If you have questions about this Privacy Policy or our data practices, please visit our contact page.