Batch converting photos from 300 to 72dpi

Without Photoshop, does anyone know how to batch convert a bunch of photos from 300 dpi to 72 dpi?

I’ve been googling but haven’t come up with a solution that doesn’t require Photoshop.


On Mac or iOS, I have an Automator script, on my Mac, that reduces my photos. That could work for you.

That allows me to resize photos and change the file type but I don’t see an option to change the dpi.

I found an answer and it’s right in Preview.

So problem solved if anyone has a need to do this yourselves.

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