for users who prefer "zero-footprint" utilities. How to Set Up ExifTool Portable (Windows)
Developed by Phil Harvey, ExifTool is a free, open-source Perl application that reads, writes, and manipulates metadata across hundreds of file formats—including JPEG, TIFF, PNG, PDF, MP4, and even proprietary RAW files from Canon, Nikon, and Sony. exiftool portable
The standard ExifTool requires command-line knowledge but not necessarily installation. However, the true version (often distributed via PortableApps.com or self-contained ZIPs) takes flexibility to another level. for users who prefer "zero-footprint" utilities