I want to see if they’re really lossless. I know for a fact that PNG is. But last I checked HEIF didn’t support lossless RGB images, only lossless YUV… So HEIF

I want to see if they’re really lossless. I know for a fact that PNG is. But last I checked HEIF didn’t support lossless RGB images, only lossless YUV… So HEIF was unusable for bit-perfect reproduction of the original.