How to secure your PDF documents with owner and user passwords

Some people may be stuck in a fairly similar situation. They are looking for a pdf tool to password-protect their PDF document. Could I find a powerful pdf encryption software to do such thing?

Here is a tool recommended by a users, there is a tool called WowTron PDF Encryption, it is for users to add password to pdf and set restrictions. Here are 3 steps to add password to pdf file.

Step1: Download WowTron PDF Encryption: 

Please download and install the app, it will take you 10 seconds.

Step2:ImportPDF Files

Ater installing the app, you can add pdf files.

wowtron-pdf-encryption

Step3: Add password to pdf

After you add pdf file, you can easily add owner or user password by checking the options.

More details about WowTron PDF Encryption:http://wowtron.com/pdf-encryption/index.html