: Use a 64x64x64 or higher HALD image if your software supports it. Larger sizes result in smoother color gradients and fewer artifacts in your final video.

: This is a classic desktop utility (Mac/Windows) that uses a "HALD" image method. You apply your XMP preset to a neutral PNG image provided by the software, and it then converts that edited image back into a high-quality .CUBE LUT.

: Get a high-resolution HALD PNG (a grid of colors) from a site like Lutify.me or the IWLTBAP generator.