Converting a .cube (3D LUT) file to an .xmp profile is a common workflow for using cinematic color grades in Adobe Lightroom or Camera Raw. How to Convert .cube to .xmp

3D LUT Creator: An industry-standard desktop application. It is praised for its ability to not only convert but also "clean" LUTs, ensuring that the resulting XMP doesn't introduce banding or artifacts.

For a no-code option: use Tableau (exports XMP when printing to PDF) or Power BI (metadata in report properties).

Here's an example code snippet in Python using the pyxmp library:

1. Color Space and Gamma

A CUBE file is designed for a specific input color space (e.g., Log-C, Rec.709, or Arri Log). An XMP profile in Lightroom expects a linear or Melissa RGB input.

Mapping to XMP Schema: Map the extracted Cube metadata to an appropriate XMP schema. This step involves identifying corresponding XMP properties and structures that can accurately represent the Cube metadata.

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