GNU/Linux Command – IDENTIFY

identify — Describe an image.


Identify describes the format and characteristics of one or more image files. It will also report if an image is incomplete or corrupt. The information displayed includes the scene number, the file name, the width and height of the image, whether the image is color mapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. It is a part of the ImageMagick utilities (

$ identify img.png -- Show short info about the image. $ identify a.miff b.png c.jpg d.gif -- Show short info aboutall image files. $ identify -verbose img.jpg -- Show detailed info about the image.
Read: man identify

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