Sudoku Visualizer — play free online

App to visualize Sudoku solving using backtracking. Runs in your browser, free, with no download and no sign-up.

Originally by vansh-codes · MIT licence · source

How to play Sudoku Visualizer

Is Sudoku Visualizer free to play?

Yes. Sudoku Visualizer is free to play in your browser, with no account, no download and no payment.

Does Sudoku Visualizer work on a phone?

Yes. It runs in a phone browser, and the on-screen pad and swipe controls send the same keys as a keyboard.