Hiiii Oliver, you saved my day. i am able now to convert news List images to Grayscale with: image.file.params = -type Grayscale +repage but why -colorspace GRAY not working? hmm may be it is because a new version of IM? i am using the same T3 and IM version on both local and server.(T3 4.1.7) Thank you very much and best regards Aji