Privacy Policy

1. Information We Collect

When you sign in with Google, we receive and store:

• Your Google account email address
• Your name and profile picture (as provided by Google)

When you use the Service, we store:

• Product URLs you add and their publicly available metadata
• Your list preferences and ordering
• Profile information you provide (display name, username, avatar)

2. How We Use Your Information

We use your information to:

• Authenticate your identity and maintain your session
• Store and display your product lists across devices
• Provide the core functionality of the Service

We do not sell, rent, or share your personal information with third parties for marketing purposes.

3. Data Storage

Your data is stored securely using Supabase (PostgreSQL). Authentication is handled via Auth.js with Google OAuth.

4. Third-Party Services

We use the following third-party services:

• Google OAuth — for authentication
• Supabase — for database storage
• Vercel — for hosting
• Google Favicon Service — for fetching website icons

5. Cookies

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

6. Your Rights

You have the right to:

• Access the personal data we hold about you
• Request deletion of your account and associated data
• Export your product lists

7. Guest Usage

If you use the Service without signing in, no personal information is collected. Guest data is stored only in your browser memory and is lost when you close or refresh the page.

8. Contact

For privacy-related inquiries, please contact us at haofanwang.ai@gmail.com.