 non-existing tags to add to your images</H2>
Below only gives you a very brief overview what can be done. <br><br>
Exiftool allows you to define metadata tags that "do not exist yet". For this you need to create a custom config file where you define those "brand new" metadata tags.<br>
This is described at <a href="https://exiftool.org/config.html" target=_blank>the Exiftool site</a><br>
Another example is delivered with jExifToolGUI itself. It is called isadg-struct.cfg and is based on the isad(g) archivi