Quality of exported JPG of an original JPG (no RAW)

Someone gave me a CD of JPG images, and I want to run these in LR. I'm a shooter FIRST, but shoot JPG on a point and shoot, so don't know (and teach) formats RAW and JPG workflow. But here's a question: if I sort a shooting JPG and export all, images of 5 stars, for example, the exported file would be degraded quality? I'd be better off, assuming that there is no editing, noting the names of those who must be exported and simply copy the files in my source folder to a destination? Thank you!

The quality of course depend on the quality of the files from the CD. Lightroom adjustments will not work in exported files, but can the quality you select when exporting. So if you export to a high quality setting of more than 75% shouldn't you see any degradation at all unless the 'original' is very poor to begin with.

Hope that helps, but you can be better to test a file to see.

Tags: Photoshop Lightroom

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