How does it compare to ImageOptim?
In general, Optimage can do automatic lossy (visually lossless) optimizations on JPEGs and PNGs, tries all possible image data representations (e.g. fast brute forcing of PNG delta filters), has some new tweaks to compression algorithms, converts to sRGB (tiny sRGB ICC color profile for JPEGs), handles more edge cases, and a lot of other small things. There are some other upcoming features, e.g. optimization of ICO and ICNS file types, lossless rotation of JPEGs according to Orientation meta in Exif.
There's a good PNG test corpus at http://css-ig.net/images/png-test-corpus/png-test-corpus-2017.zip. Optimage – 276 201 bytes, ImageOptim – 297 561 bytes.
Thank you sir. You will have my upvote and money.
Ticked the «Exit on completion» checkbox, but never exit after I dragged an image on it. I'm using OSX 10.8.5.
It does not exit if there's no Notification Center, just to show final results. But OSX 10.8.5 should have it.
Thanks for the first bug report. I will investigate.