A QUIET CHALLENGE, MADE FRESH

One grid.
Many good questions.

Q: Does each Sudoku have one solution?

Yes. Every generated puzzle is checked with a solver that stops after finding two solutions. Clues are removed only when the solution remains unique.

Q: Can I print answer keys?

Yes. Select Include answer pages, then print or save the batch as a PDF from your browser.

Q: Can I make Sudoku for children?

Yes. Choose the 4×4 grid for smaller puzzles with 2×2 boxes.

Q: Do I need an account?

No. Puzzles are generated in your browser without registration or uploads.

Make a little thinking space for a class, a coffee break, or a rainy day. Every worksheet is generated here, checked for a single solution, and ready for paper.

02 / SHEET PREVIEW1 puzzle + 1 answer

PUZZLE 01NAME ___________________ DATE __________

Sudoku Practice

Fill each row, column and box with every number exactly once.

SUDOKU-001TOOLWOVEN / SUDOKU STUDIO

The preview shows puzzle 1. Print includes every generated puzzle and optional solutions.

MADE FOR PAPER

Print the puzzle.
Keep the answer.

01 / PICK

Small or classic

Choose a beginner-friendly 4×4 grid or the familiar 9×9 game.

02 / GENERATE

Unique by design

We check every puzzle before it reaches your page. Save the seed to reproduce a batch.

03 / PRINT

Classroom ready

Use A4 or US Letter. Answer pages come after all the puzzles.

Sudoku maker FAQ

Does each Sudoku have one solution?

Yes. Clues are removed only when a solver confirms exactly one solution remains.

Can I print answer keys?

Yes. Turn on answer pages and choose Print / Save PDF.

Can I make Sudoku for children?

Choose the 4×4 grid. It uses the same row, column and box rule with numbers 1–4.

Do I need an account or upload anything?

No. Puzzle generation runs locally in your browser.