plutil - is a very useful tool to decode and encode the plist files on OSX system. The tool can be used decode the plist file to human readable format in Terminal which would help user to edit the plist files in terminal using vim or nano etc. plutil -convert xml1 [path_to_the_plist_file] The above command will decode the plist file to a readable xml format in command line. plutil -convert binary1 [path_to_the_plist_file] The above command can be used encode back the file to original binary format from command line.