plist conversion on Mac OS X

If you want to edit a plist file in text format, first convert it from binary format to xml format using plutil [1]: plutil -convert xml1 yourpropertyfile.plist After editing in text format, convert back the property file to binary format using plutil [1]: plutil -convert binary1 yourpropertyfile.plist [1] https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/plutil.1.html