Batch-resize your images on a Mac and reclaim disk space without opening each photo one by one.
If you have more than a couple images that you need to resize, you know how time consuming it can be to open each image and change the size settings one by one, over and over.
Fortunately your Mac has a built in app called Preview, that can resize multiple images in bulk - all in a single step.
You can resize multiple images using Preview just by selecting all of the images in Finder, and then right-clicking those selected images and choosing "Open with Preview".
Once you open the images in Preview, just press "Command + a" to select them all in the left sidebar, and then go to the "Tools" --> "Adjust Size" menu.
Enter the new size, in either pixels or percent, and Preview will resize all of the selected images in one shot.
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