Tic-Tac-Toe Solver

Optimal next move given board state. Use X/O/. (9 chars row-major).

About this tool

Tic-Tac-Toe Solver is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Word & Puzzle Games. Browse more Word & Puzzle Games tools.