Privacy Policy

Last updated: February 2026

Information We Collect

When you use Book Identifier, we may collect information you provide directly, such as your Google account information when you sign in, images you upload for identification, and any notes you add to identifications.

How We Use Your Information

We use the information we collect to provide and improve the Book Identifier service, process your book identification requests, and maintain your account. Images are processed by AI models to identify books and are stored to display your identification results.

Data Storage

Your data is stored securely using Google Firebase services. Images are stored in Firebase Cloud Storage and identification data is stored in Cloud Firestore.

Third-Party Services

We use Google Firebase for authentication and data storage, and AI services for book identification. We also use Vercel Analytics to understand how our website is used.

Contact Us

If you have any questions about this Privacy Policy, please contact us.