Sudoku Solver
Automatically solve Sudoku puzzles, with manual input and sample puzzles supported.
Click a cell to select it, then click a number button or press 1-9 on the keyboard to input; press 0/Backspace to erase; use arrow keys to move
Sudoku Rules
- Each row contains 1-9 with no duplicates
- Each column contains 1-9 with no duplicates
- Each 3×3 box contains 1-9 with no duplicates
- Click a cell to select, then enter 1-9; press 0 or Backspace to erase
- Conflicting numbers are highlighted in red
Usage
Features
Automatically solves 9×9 Sudoku puzzles, with manual input and sample puzzles; prompts no solution when solving fails.
Steps
Click a cell to select → Click a number button or press 1-9 on the keyboard (0/Backspace to erase) → After entering known numbers, click "Solve" → View the solution; conflicting numbers are highlighted in red.
Notes
All solving is performed locally in the browser and is not uploaded; input must follow Sudoku rules or no solution may be reported; solving uses a backtracking algorithm, which may take longer for complex puzzles.