Sudoku Tools

Our free tools are designed to help you learn and improve — not just hand you answers. Each tool explains the logic behind every step, so you come away understanding the puzzle better.

Sudoku Solver

Enter any Sudoku puzzle and get a complete step-by-step solution. The solver shows which technique is used at each step — from naked singles to X-Wings and beyond — so you can learn how to find those moves yourself.

Best for:

Learning how a specific technique applies to your puzzle
Getting unstuck without abandoning your solve
Verifying your solution is correct
Understanding what technique you’re missing

Guide: How to Use the Sudoku Solver

More Tools Coming Soon

We’re working on additional tools to help you improve. Have a suggestion? Contact us.