Image Analysis
exiftool
File extensions can be .png, .jpg
exiftool <file-name>
Remove metadata from images
To remove metadata data like geotag, camera information, etc...
for i in *.jpg; do echo "Removing metadata from $i"; exiftool -all= "$i"; done
steghide
extract embedded file
steghide --extract -sf irked.jpg
note
When extracting information from image file, it might need a password