ExifTool by Phil Harvey : A powerful, free, and open-source command-line application for reading/writing metadata.
If the price of an EXIF editor is a hurdle, there are legitimate ways to find value without resorting to risky "exclusive" keys found on the internet:
: Drag and drop multiple photos or entire folders to apply metadata changes simultaneously.
Protect your home location before uploading to social media.
ONVIF is an open industry forum that provides and promotes standardized interfaces
for effective interoperability of IP-based physical security products and services.