tldr/pages/linux/pngcheck.md

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# pngcheck
> Forensics tool for validating the integrity of PNG based (PNG, JNG, MNG) image files.
> Can also extract embedded images and text from a file.
> More information: <http://www.libpng.org/pub/png/apps/pngcheck.html>.
- Verify the integrity of an image file:
`pngcheck {{path/to/file.png}}`
- Check the file with [v]erbose and [c]olorized output:
`pngcheck -vc {{path/to/file.png}}`
- Display contents of [t]ext chunks and [s]earch for PNGs within a specific file:
`pngcheck -ts {{path/to/file.png}}`
- Search for, and e[x]tract embedded PNGs within a specific file:
`pngcheck -x {{path/to/file.png}}`