From Software

JPEGmini claims no loss of perceptual quality, up to 80% smaller files

Most of us think of image compression as a necessary evil. It makes our files more manageable, but reduces the quality of our images and can undo the incremental benefits of buying more pixels and better lenses. But can better compression make file sizes even smaller without any extra image quality cost? Beamr, the company behind the JPEGmini application, thinks it's possible. Read more

Source: Byte sized: JPEGmini claims no loss of perceptual quality, up to 80% smaller files: Digital Photography Review