Saving metadata changes

When making changes to the metadata only in PSE editor, does saving the changes to the original jpg file result in any image degradation? Is there a better program you can recommend to modify metadata information, especially to multiple files?

ChiefKRB a écrit:
When making changes to the metadata only in PSE editor, does saving the changes to the original jpg file result in any image degradation? Is there a better program you can recommend to modify metadata information, especially to multiple files?
I suppose there is no change in the pixel data if you only change the metadata in the editor. There does not seem to be any change in size and compression. Anyway you would have to save many times to get a visible degradation.
The organizer can write those metadata without any changes in the pixels, and you can easily add your keywords, captions and IPTC data on a batch of selected files.
For external metadata editor, consider exiftool and the interface ExifToolGUI.

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