Privacy Policy
Last updated: January 31, 2026
Introduction
Welcome to Sudoku Solver ("we," "our," or "us"). We are committed to protecting your privacy and ensuring you have a positive experience on our website. This Privacy Policy explains how we collect, use, and safeguard your information when you use our Sudoku solving service.
Information We Collect
Information You Provide
- Sudoku Puzzles: When you submit a puzzle for solving, we store the puzzle grid data to provide you with solutions and to improve our service.
- Contact Information: If you contact us directly, we may receive additional information about you such as your name, email address, and the contents of your message.
Automatically Collected Information
- Usage Data: We collect information about how you interact with our website, including pages visited, time spent on pages, and navigation patterns.
- Device Information: We may collect information about the device you use to access our service, including browser type, operating system, and screen resolution.
- Cookies: We use essential cookies to ensure the website functions properly. These cookies do not track you across other websites.
How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve our Sudoku solving service
- Generate step-by-step solutions for submitted puzzles
- Analyze usage patterns to enhance user experience
- Respond to your comments, questions, and requests
- Monitor and prevent fraudulent or abusive activity
Data Storage and Security
We implement appropriate technical and organizational measures to protect your data against unauthorized access, alteration, disclosure, or destruction. Puzzle data is stored securely and is only used to provide solving services and improve our algorithms.
Data Sharing
We do not sell, trade, or rent your personal information to third parties. We may share anonymized, aggregated data for research or statistical purposes.
Your Rights
You have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Opt-out of non-essential cookies
Children's Privacy
Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently 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 any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
Contact Us
If you have any questions about this Privacy Policy, please contact us.