GeoSetter is free, has a thumbnail view and will allow you to copy/paste EXIF/IPTC data from one picture to as many as you like.
Data is not written to the pictures until you choose to do so - uses exiftool to do the work and updates it when a new version is available.
This is my number one tool for general picture EXIF/IPTC manipulation - you don't have to use it for just doing Geo-tagging
Add info through the edit data dialog:
You can edit the Custom View to only display the metadata you want to edit, metadata relating to specific things will be under a tab, eg. Location:
Recommend bulk editor for EXIF/IPTC metadata?Author appears to be equivalent to
Contact Byline in GeoSetter.
Copy data and then paste into selected images:
Recommend bulk editor for EXIF/IPTC metadata?You can also create templates of EXIF/IPTC data from an image, (location, author, copyright, etc), and save them to apply to other images, eg. select your images, choose a template - job done.
But then, you can also use it for what it was originally designed for
Recommend bulk editor for EXIF/IPTC metadata?