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 etract embedded PNGs within a specific file:

pngcheck -x {{path/to/file.png}}