Editing, Adding, and Removing Metadata
TODO: preservation with exif, not tiff dictionaries.
Changing Metadata Without Recompressing Images
Retrobatch has the ability to change EXIF, IPTC, and XMP metadata about your image without rewriting or recompressing the actual pixels that make up your image.
Format specific properties such as TIFF, PNG, and JFIF require a rewrite and recompression of your images.