Encrypt Your PDF Documents with User or Owner Password with Coolmuster PDF Encrypter.
PDF Encrypter and decrypter software offers complete solution to get full control over your PDF files in terms of security
Add user and owner password to PDF files easily on Mac.
Protect your PDF files by adding user and owner passwords and permissions.
Handy Tool to Add Password Protections to PDF.
PDF Encrypter encrypts PDF files