If you haven’t already check out the 'bookmark data' methods of NSURL: https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/

If you haven’t already check out the 'bookmark data' methods of NSURL: https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSURL_Class/#//apple_ref/doc/uid/20000301-SW34 https://developer.apple.com/library/mac/documentation/Cocoa/... However, I’m not sure if you can use these without the user choosing the file with an open panel, or with drag and drop. That’s what I had to rely on with my app Blik: http://www.burntcaramel.com/blik/ http://www.burntcaramel.com/blik/ Ghostnote looks great, by the way!