Coolmuster PDF Encrypter is an easy-to-use Windows tool for encrypting PDF files. In order to restrict unauthorized access to your PDF, you can simply specify an open password that the user would need in order to access the file.

Coolmuster PDF Encrypter Features: Set the PDF User Password (Open Password) to stop the PDF from opening right away. Add an Owner Password to a PDF document to protect it from reuse. Add an Owner Password to a PDF document to protect PDF from reuse. Drag and drop operation is supported. There is support for a batch process. Supported OS: Windows 11/10/8/7/Vista/XP

Get Coolmuster PDF Encrypter for Free: Visit this giveaway page.

Enter your name, email address, and captcha code, and then click “Submit.”

On the giveaway page, you will be able to see the license code. Copy the code.

Get the software at http://www.coolmuster.com/downloads.

Install the software, launch the application, and click “Register” on the app’s main screen.

Enter your email address, license code and hit the “Register” button.