pngcheck

Print detailed information about and verify PNG, JNG, and MNG files.

TLDR

Print a summary for an image (width, height, and color depth)

$ pngcheck [image.png]
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Print information for an image with [c]olorized output

$ pngcheck -c [image.png]
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Print [v]erbose information for an image

$ pngcheck -cvt [image.png]
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Receive an image from stdin and display detailed information

$ cat [path/to/image.png] | pngcheck -cvt
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[s]earch for PNGs within a specific file and display information about them

$ pngcheck -s [image.png]
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Search for PNGs within another file and e[x]tract them

$ pngcheck -x [image.png]
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