Free Printable Sudoku

How to print your Sudoku

Choose a difficulty and how many puzzles you want (up to 30 at a time), then hit Generate and Print. Only the puzzles print — no menus, ads, or clutter. Every puzzle is freshly generated with exactly one solution, and the answer key prints on the back pages so you can check your work.

Difficulty levels

• Easy — plenty of starting numbers; great for beginners and kids.
• Medium — the classic newspaper level.
• Hard — fewer clues; you'll need real logic.
• Expert — minimal clues for seasoned solvers.

Quick tips for solving

• Each row, column, and 3×3 box must contain 1–9 with no repeats.
• Scan for rows/columns/boxes that are nearly full and fill the obvious gaps first.
• Use "pencil marks" — jot the possible numbers in a cell, then eliminate as you go.