tldr/pages/common/pngcheck.md

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2021-02-28 17:11:59 +00:00
# pngcheck
> Print detailed information about and verify PNG, JNG, and MNG files.
> More information: <http://www.libpng.org/pub/png/apps/pngcheck.html>.
- Print a summary for an image (width, height, and color depth):
`pngcheck {{image.png}}`
- Print information for an image with [c]olorized output:
`pngcheck -c {{image.png}}`
- Print [v]erbose information for an image:
`pngcheck -cvt {{image.png}}`
- Receive an image from stdin and display detailed information:
`cat {{path/to/image.png}} | pngcheck -cvt`
- [s]earch for PNGs within a specific file and display information about them:
`pngcheck -s {{image.png}}`
- Search for PNGs within another file and e[x]tract them:
`pngcheck -x {{image.png}}`