pXL Compare
FreeA free Mac app that encodes one image four ways and shows the results in a single split view, with file size, speed and quality scores for each.
Mac apps for sharper, smaller images
We build the tools we wish we had for our own design work. Compare image formats pixel for pixel, then convert whole folders with the settings that win.
pXL Crunch
Coming soonA Mac photo converter for batches of images, with Finder quick actions, resizing, and quality targets. Built on the same encoding engine as pXL Compare.