Frequently asked questions
- Is Sudoku Prints free to use?
- Yes. Generating puzzles, viewing the answer key, and printing or saving as PDF are completely free, with no sign-up required.
- Can I print Sudoku puzzles?
- Yes. The whole site is designed around printing, and every puzzle is generated in an A4-ready layout.
- Can I save puzzles as PDF?
- Yes. After clicking Print, choose "Save as PDF" in your browser's print dialog.
- Which difficulty levels are available?
- Six levels: Easy, Medium, Hard, Expert, Master and Extreme. Each puzzle is verified to have a unique solution.
- Does it work on mobile?
- Yes. Sudoku Prints runs in any modern browser on phones, tablets and desktops. The print layout is sized for A4 regardless of the device.
- Are the puzzles A4-ready?
- Yes. The print layout uses fixed physical units (mm/pt), so the output looks the same whether you print or save as PDF, on any device.
- Can I print multiple puzzles on one page?
- Yes. Pick 1, 2, 4, 6 or 8 puzzles per A4 page from the Per page selector.
- Are answer keys included?
- Yes, by default. Each puzzle's verified solution is printed on a separate page, in the same order. You can turn the answer key off in the settings if you only want the puzzles.