Games tool
Free Tic-Tac-Toe Online — Play vs Computer
Choose your opponent and take turns placing X and O on the 3×3 board. The computer thinks locally and never uploads your moves.
Runs in your browser. No upload.
Play against the computer or another person. This game stays in your browser.
X wins: 0O wins: 0Draws: 0
You are X. The computer is O.
About this tool
Free Tic-Tac-Toe Online — Play vs Computer made simple.
The computer uses a complete search of possible moves and cannot lose. Scores stay in this tab and reset when you leave; there is no account or online multiplayer.
Common questions
About Free Tic-Tac-Toe Online — Play vs Computer.
How do I use Tic-tac-toe online?
Choose your opponent and take turns placing X and O on the 3×3 board. The computer thinks locally and never uploads your moves.
Is my data uploaded to a server?
No. This tool runs locally in your browser. Your input is not uploaded.