YOUR EVERYDAY WORKSPACE

Sudoku Generator & Solver

Generate a Sudoku with one solution or solve and check a puzzle you already have.

Browser processingEditable exampleCopy · download · print

1. Set up your workspace

Generated puzzles are checked for one solution; clue count is not a difficulty rating. Solving reports no solution, one solution or multiple solutions. Search is bounded; unusually complex puzzles may require another solver.

2. Review & use your result

Review the example inputs, then use create / solve sudoku.

Report / export preview

Generated file contents

Using Sudoku Generator & Solver

Generate a Sudoku with one solution or solve and check a puzzle you already have.

Enter mode and minimum given digits. Try the example to see the format.
Create / solve Sudoku and review the result, including the assumptions shown below the inputs.
Copy, download or print your result. Editing an input clears the previous result.

Example

The included example: Given digits — 38; Solution count — Exactly one.
Change the inputs and generate a new result to compare it.

Questions & answers

How do I use this tool?

Generate a Sudoku with one solution or solve and check a puzzle you already have. Load the editable example, replace its values and use the main action button.

What should I check before using the result?

Are my entries saved?

Processing runs in your browser without a tool account or saved history. Download your result to keep a copy. Website advertising follows our privacy information.

Can I export or print it?

Copy and file download are available after generating a result. Print produces a clean copy of the visible result; use your browser’s Save as PDF option if needed.

Can I play the puzzle on the page?

Yes. Enter digits into the blank cells and use Check my Sudoku. Arrow keys move between editable cells. Download saves the current entries in a printable HTML board. Show answer key reveals the solution separately.