Check back in two hours darling Unfortunately it's a long process of resizing them and watermarking them individually, it's a shame I can't spend that time with you instead. Originally Posted by MarandaMariePhotoshop can both resize and watermark them using an automated process. I've done hundreds of photos in about 20 minutes, both resizing and watermarking them, in Photoshop CS6. You just have to have a computer with the horsepower to churn them out. Oh, and of course, Photoshop.