When I was at University about five years ago, I was designing a CD cover with some Jpeg photographs and was constantly changing the images and re-saving them for use. However, after a while I noticed that the images began to degrade with each save. Back then, I didn't know much about Jpeg (Jpg on Macs) files—and the fact that they were a compressed-format. Before I explain further about this, I thought I'd show the gradual degradation of a Jpeg image after each re-save as another Jpeg...








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