How to cut/crop an image file in the half in console

Question

I have an image file image.png, and I want to make a vertical cut in the half and generate two images of equal size.

Answer 1

With imagemagick:

magick image.png -crop 50%x100% output_%d.png

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Answer 2

With ffmpeg:

ffmpeg -i image.png -vf "crop=iw/2:ih:0:0" output_1.png
ffmpeg -i image.png -vf "crop=iw/2:ih:iw/2:0" output_2.png

Documentation