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Sudoku Generator
Generate and print random Sudoku puzzles on A4 paper, with selectable difficulty and a page layout that automatically fills the sheet.
How to Use
- Choose the difficulty level: easy, medium or hard.
- Pick how many puzzles fit per row; the page fills automatically. Click Generate to create a new set of puzzles.
- Preview the page; toggle the solution to check the filled answers.
- Print the A4 page or download it as an image.
Features
- Verified Solutions – Every puzzle is generated from a complete solution and double-checked for a unique answer, so it is always solvable.
- No Duplicates – All puzzles on a page are guaranteed to be different.
- Auto-Fill Layout – Choose 2 or 3 puzzles per row and the sheet fills with as many rows as fit.
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