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What Does Lossy Mean?

Lossy is the opposite of lossless and it means that when a digital image is compressed, some of the image’s data and detail is lost.  JPEGs are a type of lossy compression, and whilst we can control how much a JPEG is compressed by when we save it, there is always a loss.  Sometimes the loss is imperceptible if we use high quality settings, but it’s there!


Additional Reading

  • What Is A JPEG?
  • What Does Lossless Mean?


what does lossy mean?


Example JPEG save screen that allows the choice of how lossy we want the image saving process to be.