There is also a free and open-source app called ImageOptim [1].<p>I believe ImageOptim is older than Optimage but they seem to work the same way.<p>They also offer a paid web API service with a similar price [2].<p>Posting just as an alternative, the more the better.<p>[1] <a href="https://imageoptim.com/mac" rel="nofollow">https://imageoptim.com/mac</a><p>[2] <a href="https://imageoptim.com/api/pricing" rel="nofollow">https://imageoptim.com/api/pricing</a>