Thread:Rmkane/@comment-29883180-20171019114052/@comment-29203151-20171019141112

So, are you cropping larger images to 50x50 or are you down-scaling them?

Check out Imagemagick. It will let you mass/batch resize/scale/format a whole directory of images. It requires a bit of scripting, but it is doable. Let me know if you need any help.