The best thing about using ImageOptim[1] is that it keeps up with all these latest encoders and uses the best one. And it Just Works™ on a folder of images. An

The best thing about using ImageOptim[1] is that it keeps up with all these latest encoders and uses the best one. And it Just Works™ on a folder of images. And it looks like their latest beta includes Guetzli support. 1: https://imageoptim.com/mac https://imageoptim.com/mac