MetaPDF is an application that enables its users to edit PDF metadata in such a way so that PDF files are displayed with the correct title, subject and date.
You can also assign keywords to your documents to group them in a context and find relevant texts much easier.
NOTE: To buy MetaPDF via the App Store an Apple account is required.
Here are some key features of "MetaPDF":
· Edit metadata
· Change file information
· Unlock password protected files
· Remove password protection
· Batch edit files
· Add keyword
· 64-bit processor