Often files are hidden in .jpg files simply by opening them up with 7zip, then closing them again. Mac OS X archive utility does not have this ability. Is there any software available for osx that does?
Extract jpeg File
archivearchive-utilitycompression
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Best Answer
Actually all you need to do is change the file extension from .JPG or .JPEG to .zip. If it is indeed a zip file the O/S' unzip program should unzip it.
Failing that I use The Unarchiver
http://unarchiver.c3.cx
As a replacement for O/S X's built-in zip compression utility as it handles more formats.