magick mogrify

Perform operations on multiple images, such as resizing, cropping, flipping, and adding effects. Changes are applied directly to the original file. See also: magick. More information: https://imagemagick.org/script/mogrify.php.

magick mogrify -resize {{50%}} {{*.jpg}}

magick mogrify -resize {{800x600}} {{DSC*}}

magick mogrify -format {{jpg}} {{*.png}}

magick mogrify -modulate {{100,50}} {{*}}

magick mogrify -modulate {{200}} {{*}}