Which kind of software is suitable to encrypt PDF security?
Q:Which kind of software is suitable to encrypt PDF security?
A: With Simple PDF Password Security, you can easily add a password to your PDF files to protect your PDF copyright and prevent from revealing your trade secrets. With Simple PDF Restriction Remover, you can encrypt your PDF files in a short time. Just convert your PDF file with a password to the one without a password. So you needn’t to enter the password every time when you want to open it.