Secure Your PDFs with Coolmuster PDF Locker | Password Protect a PDF

Coolmuster PDF Locker(https://www.coolmuster.com/pdf-locker...) can help you safeguard your sensitive PDF files. With its help, you can easily password-protect a PDF and control access to your confidential information.

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Key Features：
Set User Password (Open Password) to prevent unauthorized access to the PDF.
Encrypt PDF with Owner Password to protect against unauthorized reuse or modification.
Three encryption levels available: 40-bit RC4, 128-bit RC4, and 128-bit AES.
Full control over printing, copying, editing, and other permissions for the PDF content.
Standalone and user-friendly interface suitable for users of all skill levels.

How to use guide: https://www.coolmuster.com/online-hel...
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