Questions about reducing a file's size by automated pattern recognition, and the resulting changes in image quality.

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14
votes
9answers
71k views

Facebook: Ways to preserve image quality of uploaded images?

After uploading an image, Facebook converts it to a new image. Their conversion process introduces artifacts and mottling to the magenta-ish parts of the image. Original image: Facebook's ...
7
votes
4answers
5k views

The most advanced JPEG image compression on mac?

Sometimes i work with JPEG files for my web designs. There are occasions where the PNG format is not suitable.. There are several optimization techniques for the PNG format, but I noticed that for ...
6
votes
9answers
2k views

Tools for *lossy* PNG compression?

I'm trying more and more to get by sans PhotoShop for my personal/freelance work. I do primarily web work these days and don't do enough side gigs to justify keeping up with the Creative Suite beast. ...