identify

Command-line utility of Image Magick project to describe the format and characteristics of one or more image files. More information: https://imagemagick.org/script/identify.php.

• Describe the format and basic characteristics of an image:
  identify {{path/to/image}}
• Describe the format and verbose characteristics of an image:
  identify -verbose {{path/to/image}}
• Collect dimensions of all JPEG files under current directory:
  identify -format "%f,%w,%h\n" *.{{jpg}} > {{path/to/filelist.csv}}