JPG Lossable

Why you should never use ‘Save’ when working on a jpg image – SympleByte

In typical ‘you never get something for nothing’ fashion, the greatest asset of a jpg image is also its greatest downfall. Most people know that a jpg image is a compressed image, which means that it has been compressed using an algorithm that makes the file size smaller. This can be a huge advantage when trying to transfer the image electronically, which is what you’re doing every time someone looks at your webpage. Some people know that the method used to create jpg images is what is called a ‘lossy’ compression algorithm, which means the image you end up isn’t quite the same as the image you started out with. What a lot of people don’t know is that every time you save a jpg image you decrease the quality of that image, which can be a real problem if you don’t pay attention to what you’re doing.

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