JPG is a "lossy" format. Every time a JPG is edited and re-saved, it loses a small amount of quality. For long-term storage, "lossless" formats like PNG or TIFF are preferred.
Moving away from the muted tones of the late 2000s. maliaf2011 bikini 3 jpg portable
A file named "maliaf2011 bikini 3 jpg portable" could tell an investigator: JPG is a "lossy" format