Handy PDF utility recovers lost passwords, unlocks PDFs, locks PDFs, protects PDF documents from unauthorized access, printing.
PDFKey Pro lets you protect your PDFs in a blink. You can set a password to view the file and a password to restrict printing and copy&pasting of your PDFs. The files created by PDFKey Pro will be identical to the originals and you will be able to open them in any PDF viewer.
9WR – PDFKey Pro: Recovers lost passwords, locks, unlocks PDFs, and restricts access.