Height to Normal Map

Free Height to Normal Map Converter

Convert any grayscale height map / displacement map to an OpenGL normal map online, completely free. Uses a Sobel gradient filter on the full Float32 representation of your input, so true 16-bit PNG height maps stay banding-free all the way through to the output. Export as 8-bit or true 16-bit PNG for Blender, Unreal Engine, Unity, 3ds Max, Maya, and any PBR workflow.

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