How to encrypt PDF with PDF Password Security?

 

Problem

How to add password protection for PDF files with 40 or 128 bit encryption?

Solution

PDF Password Security is specially designed for you to add password for pdf documents with 40 or 128 bit encryption to protect pdf files. so you may get a password prompt to open the file. If you have no idea what password is, the program cannot find passwords automatically for you, you may need a PDF password cracker tool.

Protect PDF files from unauthorized access with standard password security

Support 40/128 bit RC4 and 128 AES encryption

You can remove the standard password security from protected PDF files.

&27.00	Free Trial

Simple Guide---How to encrypt PDF

Step 1, download this PDF Password Security, run it, see the screen like this.

With this best pdf password security, you can finish single pdf document security, batch pdf document security, and set hot directory.

Step 2, we choose "Single PDF Document Security", and click Next button on the bottom of screenshot. Click Browse button on the right side of "Single PDF File" to add pdf file you want to add password to.

Open the "Security Leve" dropdown list, you can choose one of them freely, and then enter a password you like.

Step 3, you can set other Security parameter at your will, and you can freely set up Properties and Add Expiry Date, you can try it by yourselt.

Step 4, After all of this parameters have been set up, you can click Save or Save as... button to save the fixed file.

PDF Password Security enables you to add password protection for PDF files with 40 or 128 bit encryption with just a few buttons, you can download it here and have a try!