If you have a Creative Cloud subscription, you can generate LUTs natively using Photoshop: Open a raw image or a neutral color grid in Photoshop.
XMP is an XML-based metadata container. In photo/video color contexts, XMP stores: xmp to cube converter
: Import this image into Lightroom and apply the XMP preset you want to convert. If you have a Creative Cloud subscription, you
If you do not want to use a direct plugin, the manual "round-trip" method is the standard alternative: xmp to cube converter
Export the edited HALD image as an uncompressed or maximum-quality PNG . Do not change the pixel dimensions. Step 3: Convert to CUBE