JPG files and Non-Destructive Editing

Editing JPG files results in lost detail. Every time a JPG file is opened and re-saved, some data is lost. That’s why so many photo-editing software systems try to market Non-Destructive Editing – the original file is not being re-saved every time you change something.

Here’s a great example of how loss in JPG files can eventually turn a nice image into mush.

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