pngcheck

all

Forensics tool for validating the integrity of PNG based (PNG, JNG, MNG) image files. Can also extract embedded images and text from a file.

Examples (6)

Verify the integrity of an image file (width, height, and color depth)

pngcheck path/to/image.png

Print information for an image with [c]olorized output

pngcheck -c path/to/image.png

Print [v]erbose information for an image

pngcheck -cvt path/to/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 path/to/image.png

Search for PNGs within another file and e[x]tract them

pngcheck -x path/to/image.png