OpenFront Map Generator

Convert any image into a playable map for openfront.io

Image
📂

Click to upload or drag & drop

PNG · JPG · WebP

Thresholds
Water
0.40
Plain
0.72
Highland
0.85
Invert brightness
Algorithm

Removes tiny noise islands for more realistic coastlines

Min island size (px)
50
Smooth passes
2
Legend
Water
Plain
Highland
Mountain
Preview

Upload an image to preview

Map preview