Convert RGB/CMYK images to Grayscale

Script for InDesign and Photoshop CS3 – 2023.

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

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

Click here to download.

See also Convert RGB/Grayscale images to CMYK