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Sudoku Generator
Generate printable Sudoku puzzles at any difficulty and grid size. Multi-puzzle books include a tappable index page and full answer keys.
Try another puzzle
Keep the logic practice going with another generator.
Make the worksheet useful
Choose, check, then download
Experienced solvers comfortable tracking candidates in a sparse, 22-clue grid.
Suggested workflow
- 1Keep the preselected hard level.
- 2Check that the page size leaves enough room for pencil marks.
- 3Export a single trial before creating a larger set.
Why this format
The hard preset changes the actual clue count, while page size controls the physical room available for notation.
Sample PDF
Keep one puzzle selected to create a hard sample and answer key.