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Take Control of Preview by Adam Engst, Josh Centers

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Convert and Export

Preview can not only display a variety of image formats, but also convert from one to another. As we’ll explain in Choosing a File Format, each format has its own advantages and disadvantages—for instance, JPEG is the right choice for photos because it produces nice photos at reasonable file sizes, while PNG is superior for simpler, on-screen graphics because it handles solid colors well.

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