pngcheck

Print detailed information about and verify PNG, JNG, and MNG files. More information: <http://www.libpng.org/pub/png/apps/pngcheck.html>.

Install

All systems
curl cmd.cat/pngcheck.sh
Debian Debian
apt-get install pngcheck
Ubuntu
apt-get install pngcheck
image/svg+xml Kali Linux
apt-get install pngcheck
Windows (WSL2)
sudo apt-get update sudo apt-get install pngcheck
OS X
brew install pngcheck
Raspbian
apt-get install 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

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