In technical terminology, JPG allows for both lossless and lossy compressions, letting you choose whether or not to lose data. PNG supports only lossless compression, where all the data is always preserved. Photographers and designers prefer to work with PNG than JPG because it's always a closer match with the original files than JPG, which could lose much data.Īnother key area of difference is transparency. With PNG, you can switch out an image's background or carve a cut out of an image to superimpose on another background.ĭesigners can even adjust the level of transparency of cutouts, blending them in seamlessly with the background. JPGs sometimes don't blend well where they're used-for instance, on web pages, software interfaces, etc. PNG solves this problem with support for transparency and seamless layering.
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