Picture Instruments Image 2 Lut Pro

Most LUT generators require a specific color checker chart (like a Datacolor SpyderCHECKR). Image 2 LUT Pro is more flexible. While it loves a color chart (it offers a dedicated "Chart" mode for precise calibration), the "Reference" mode is the magic trick. You can use a frame from The Matrix or a photo from a magazine.

for a deep dive into technical setup and Photoshop integration. Read the comprehensive Fstoppers Review Picture Instruments Image 2 Lut Pro