Graphics Hints and Tips
Removing EXIF tags from a PNG/JPG/JPEG file
Use the exiftool Perl application.
Install on MacOS using Macports. Search using port search exiftool.
The package should be named similar to p5.26-image-exiftool depending on the
version of Perl you have installed.
To delete all meta information:
$ exiftool -all= ${FILENAME}
For more information, see the ExifTool documentation.
View all tags in a PNG/JPG/JPEG file
$ exiftool ${FILENAME}
-- Frank Dean - 29 May 2018
Related Topics: InstallingMacPorts