Hi JJMack, Many thanks for your suggestion, I have downloaded your crafting actions package and installed the AspectRatioSelection.jsx script and have run the script. But unless I'm doing something wrong it creates a crop area of the required aspect ratio, which is not what I'm after. What I want to do is equivalent to changing the aspect ratio by using the PS Image Size function with 'Preserve Aspect Ratio' disabled. I can do this, but would have to work out the required size for every operation. What I would like to do is be able to specify the final aspect ratio directly, rather than have to do a seperate calculation for each change of aspect ratio. But I don't see why this involves any loss of data from the original image. So long as the change is not to a smaller image, would it not be entirely reversible?
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