Image to SGF

Upload a Go board image, detect intersections, convert stones to coordinates, and export SGF.

1. Image Upload & Recognition

Board image Board size

Paste image here (Ctrl+V / Cmd+V)

Use full-board images. Click corners in order TL, TR, BR, BL if auto-detect misses.

Waiting for image upload.

Auto balance

Black threshold White threshold

Set 4 corners, then extract stones.

Game name Komi Next player

Tool: remove

Shift: x=0, y=0

Board preview

SGF text

No SGF generated yet.