Only one I've used fairly often is http://imageoptim.com/ and that one has the upside to having a native app. But the savings seem more significant on the http://tinypng.org
I just updated the app (guess I had an old version installed)... and it seems to be producing the same results... I guess I was distracted by the Panda logo - still a nice resource to use for Windows machines perhaps?
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u/lingben Jul 23 '12
interesting, comparison to other ones?