[upd] | Convert-cube-to-xmp

: Use any RAW or high-quality image as a reference. Open Camera Raw Filter : Go to Filter > Camera Raw Filter .

Adobe stores 3D LUTs inside XMP metadata with specific tags: convert-cube-to-xmp

If you haven't already, install the convert-cube-to-xmp tool on your system. The installation process may vary depending on your operating system. For example: : Use any RAW or high-quality image as a reference

: A lightweight utility that uses a "HALD" image (a color grid) to capture the look of a LUT and export it into various formats, including XMP. Performance and Reliability convert-cube-to-xmp

: A popular web-based utility that offers a straightforward drag-and-drop interface. It is highly reviewed for its ease of use, though it may lack the granular control of desktop software.