Free KDP tool · no account
Free Printable Sudoku Maker
Generate printable sudoku puzzles at four difficulty levels. Every puzzle is checked to have exactly one solution, and every sheet comes with an answer key. Free and no account.
Want the whole book, not just the numbers?
Describe a book in one sentence and kdpbook.us writes, illustrates and lays it out, then exports the KDP-ready interior and cover. Start with 2,000 free credits, no card.
Frequently asked questions
Do the puzzles have a unique solution?
Yes. Each puzzle is verified by a solver to have exactly one solution before it is shown.
How is difficulty set?
By how many numbers are removed from the finished grid. Easy leaves more clues, expert removes as many as possible while keeping one solution.
Can I print many at once?
Yes. Choose how many puzzles to generate and print them all in one go, with the answers on separate pages.