free tool, no sign-up
Sudoku Generator
Generate Sudoku puzzles in 4×4, 6×6, or classic 9×9 sizes. Kid-friendly beginner puzzles to challenging classics with solutions included.
How to Play Sudoku:
Fill in the grid so that every row, column, and box contains the numbers 1 to 4. Each number can only appear once in each row, column, and box.
Select your options and click
"Generate Sudoku" to create a puzzle
About This Tool
The Sudoku Generator creates logic puzzles at multiple difficulty levels and grid sizes. Start with 4×4 puzzles for young learners (using numbers 1-4), progress to 6×6 for intermediate challenge, or tackle the classic 9×9 grid. Sudoku develops logical thinking, pattern recognition, and problem-solving skills without requiring any math calculation—just logic! Each puzzle includes a solution key for checking work.