Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits.
Some file formats can contain comments, and some cannot, and each file format has its own set of comment types. For applicable comment types, refer to the following:
TIFF File Comments
GIF File Comments
Exif File Comments
DICOM File Comments
JPEG and LEAD File Comments
JPEG 2000 File Comments
FlashPix File Comments