On Wed, 2008-10-01 at 14:12 -0400, Robert Cummings wrote: > I believe jpg is lossless if you choose 100% quality. > > Cheers, > Rob. > -- > http://www.interjinn.com > Application and Templating Framework for PHP Unless it's a JPEG 2000 (which isn't web-safe) then it's lossy, even at 100% quality. The nature of the algorithm is such that there is always loss involved, which is why it's best to work on photos that are not in JPEG format, as each save and re-open creates more and more distortion (although not much that will be noticed in a photo!)
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