Lightmap Extractor

01SOURCE

Drop a texture, or

No file loaded

02DETECTION

Quick start

Brightness catches hotspots like windows and engine glow. Saturation catches colored neon and trim regardless of how bright it is. Balance blends the two.

Brightness threshold 50%

Saturation threshold 35%

Balance — brightness ↔ color 55%

Edge softness 20%

03REFINEMENT

Push the selection harder, or soften it into a glow falloff.

Intensity 1.0×

Glow feather 0px

Invert selection

04OUTPUT

Colored keeps original hues — ready to use as an emissive map. Grayscale outputs a plain mask.

Mode

Transparent background

SOURCE TEXTURE

Load a texture to begin

EXTRACTED LIGHTMAP

Result appears here