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Privacy Policy

Last Updated: February 25, 2026

1. Introduction

Welcome to MinkerPage and the Study Calendar application (collectively, "the Application"). We are committed to protecting your privacy and ensuring you have a positive experience on our platform. This Privacy Policy explains how we collect, use, disclose, and safeguard your information.

2. Information We Collect

Google Account Information

• When you sign in with Google, we collect:
  • Your email address
  • Your name
  • Your profile picture

Calendar Data

• Event titles, descriptions, dates, and times
• Event locations
• Calendar metadata associated with your Google Calendar

Device Information

• Browser type and version
• Operating system
• Device type (mobile, desktop, etc.)

Local Storage

• Your authentication tokens are stored locally on your device using browser storage
• No sensitive data is transmitted to our servers

3. How We Use Your Information

We use the collected information for the following purposes:

• To authenticate you through Google OAuth 2.0
• To display and manage your calendar events
• To provide calendar functionality (create, edit, delete events)
• To synchronize events with your Google Calendar
• To improve the user experience and application performance

4. How We Store Your Information

• Authentication Tokens: Your access tokens are stored locally in your browser's localStorage and are not transmitted to our servers
• Calendar Data: Your calendar events are stored in your Google Calendar account and accessed through the Google Calendar API
• No Server Storage: We do not store your personal data on our servers

5. Third-Party Services

Our application uses the following third-party services:

• Google OAuth 2.0: For secure authentication. See Google's privacy policy at https://policies.google.com/privacy
• Google Calendar API: For calendar functionality and event synchronization
• Google Sign-In: For user identity verification

6. Data Security

• All communication with Google services uses HTTPS encryption
• Authentication is handled securely through OAuth 2.0
• Your tokens are stored locally and not accessible to unauthorized parties
• We do not store passwords or sensitive information on our servers

7. Your Rights and Choices

• Access: You can access your calendar data through the application
• Deletion: You can delete events from your calendar at any time
• Logout: You can log out, which clears your local authentication tokens
• Revoke Access: You can revoke the application's access to your Google Calendar through your Google Account settings

8. Progressive Web App (PWA)

When using the Study Calendar as a PWA:

• Data is stored locally on your device
• The service worker enables offline functionality
• No data is transmitted to our servers unless you explicitly interact with Google Calendar API

9. Children's Privacy

Our application is not intended for users under 13 years of age. We do not knowingly collect information from children under 13. If we become aware that a child under 13 has provided us with personal information, we will immediately delete such information.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of significant changes by updating the "Last Updated" date at the top of this policy.

11. Contact Me

If you have questions or concerns about this Privacy Policy, please contact me through the application or email me at lruetter2@gmail.com.

12. Compliance

• This application complies with Google's API policies
• We respect user privacy and do not sell or share personal data
• We maintain transparent practices regarding data collection and usage