About Sudokly
Sudokly is a free sudoku site. No account, no email wall, no app to install. Every puzzle is generated by our own engine, verified to have a single solution, and rated for difficulty.

Elia Kuratli
Founder of Sudokly. Writing about sudoku, generators and habits that make solving easier. Founder of Sudokly.
What makes Sudokly different
- No signup, ever. Your progress lives in your browser.
- No tracking by default. Privacy-friendly analytics only. No cookies, no fingerprinting, no third-party scripts.
- Free printables. No email gate. Print as many as you want for classrooms, your own use, or anything else legitimate.
- Accessibility built in. Keyboard navigation, screen reader announcements, high-contrast colours and respect for prefers-reduced-motion.
Get in touch
Bug reports, ideas, or just hello — contact us.