Convert-cube-to-xmp -

The .cube format is the industry standard for video grading in tools like DaVinci Resolve or Premiere Pro. However, Adobe Lightroom doesn't natively apply LUTs via a "browser" button. Instead, it uses (encoded as .xmp files). By converting them, you unlock the ability to:

Once you have the XMP string, embed it into images/PDFs via exiftool : convert-cube-to-xmp