I have seen online website that will reduce the filesize of a PNG with minimal loss of quality. Does anyone have a Xojo (or Swift) method to do this? If not I’ll just spend a few hours shuffling them to the web and back

Compress a PNG

supcumps 28 August 2021 02:37 15

Gimp is free. It has command line processing that could be called from your app.
This may help