

(Or look into the ImageMagick ‘convert’ command, which leaves the original image unmodified.) Warning/Notice: Make a backup of your image files before running this command. If you download ImageMagick, you can use its mogrify command to “batch resize” all “*.png” image files in the current directory to a resolution of 534 pixels by 402 pixels: Mac batch image resizing with the ImageMagick mogrify command This article shows a “Mac batch image resize” approach you can use from the Mac Terminal command line, and in the link I share below I also show to how to batch resize images using a Mac GUI tool. Mac batch image resizing FAQ: Is there a built-in Mac OS X command I can use to batch resize images and photos on my Mac OS X computer?
