Privacy Policy

1. Information We Collect

When you use Chart Library, we may collect:

• Account information: Email address when you create an account
• Usage data: Search queries, features used, and interaction patterns
• Uploaded images: Chart screenshots you upload for analysis (processed and not stored permanently)
• Device information: Browser type, operating system, and IP address

2. How We Use Your Information

• To provide and improve the Service
• To process your searches and deliver results
• To communicate with you about your account or the Service
• To analyze usage patterns and improve the user experience

3. Data Sharing

We do not sell your personal data to third parties. We may share data with service providers who help operate the Service (e.g., hosting, analytics, payment processing), but only as necessary to provide the Service.

4. Third-Party Services

The Service uses third-party APIs (Anthropic for AI summaries, Polygon.io for market data) to provide functionality. Your queries may be processed by these services in accordance with their respective privacy policies.

5. Cookies

We use essential cookies to maintain your session and preferences. We may also use analytics cookies to understand how the Service is used. You can disable cookies in your browser settings, though this may affect functionality.

6. Data Retention

We retain your account information for as long as your account is active. Usage data is retained for analytics purposes and may be anonymized or deleted periodically. You can request deletion of your account and associated data at any time.

7. Security

We take reasonable measures to protect your information, including encryption in transit and at rest. However, no method of transmission over the Internet is 100% secure.

8. Contact

For privacy-related inquiries, contact us at support@chartlibrary.io.