Convert RGB/Grayscale images to CMYK

Script for InDesign and Photoshop CS3 – 2023.

Opens all RGB/Grayscale images from the active InDesign document in Photoshop and converts them to CMYK .

Warning: this script permanently and irreversibly overwrites the original RGB or Grayscale image with a CMYK version, losing possibly irreplaceable information. So be careful!

Click here to download.

See also Convert RGB/CMYK images to Grayscale