The BIMP plugin will work https://alessandrofrancesconi.it/projects/bimp/
Just checked with a couple of (made up) 600 ppi png's with transparency.
Add your images, folder or individual, add the 2 procedures, resize and 'change format', set the output destination.
screenshot: https://i.imgur.com/lr2he8E.jpg
Just checked with a couple of (made up) 600 ppi png's with transparency.
Add your images, folder or individual, add the 2 procedures, resize and 'change format', set the output destination.
screenshot: https://i.imgur.com/lr2he8E.jpg