How can I invert the colors of images in bulk?

[LAPIII]

I converted to PDF into images and then was able to invert the colors in MS Paint:



I want to do this in bulk. Please give me some code to do this. I wall stored the images in:

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C:\Users\lapii\Downloads\Images

BTW, I'm using Windows 10.

[snibgo]

What version of IM do you use?

Your question is vague. Perhaps you want to "-negate" the colour channels.

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magick in.png -channels RGB -negate +channels out.png

Does that do what you want? If it does, then put that in a shell "for" loop. Or use "magick mogrify".