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What is Coolmuster PDF Locker?
Encrypting your PDF files with a strong password is a great way to prevent your files from opening or editing without your permission. Coolmuster PDF Locker is the simplest application for this; this PDF encryption software supports three different encryption systems, including 40-bit RC4, 128-bit RC4, and 128-bit AES. Coolmuster PDF Locker runs from Windows XP to Windows 11 (the latest version).
Key Features
- Add a user password to protect your own PDF files.
- Apply the owner’s password to control the access permission of PDF files, such as copying, modifying, and quality printing.
- 3 encryption security levels for your reference.
- Various options for PDF security, such as resolution settings, document printing, and copying.
- Support drag and drop operation.
- The batch process is supported.
Supported OS: Windows 11/10/8/8.1/7
Price: $15.95/ year
How to get the Coolmuster PDF Locker license key for free?
Step 1. Go to the Coolmuster PDF Locker giveaway page
🏆🏆🏆 Special Offer for You: Save 50% Off with Coolmuster Coupon Codes here for Coolmuster Mobile Transfer, Coolmuster Lab.Fone, Coolmuster iOS Assistant, and other Coolmuster products.
Enter your name, email address, and captcha, then press the “Submit” button.
Your license code will appear in a new window; please remember to save it!
Step 2. Download the installer Coolmuster PDF Locker —> cool-pdf-locker.exe
Open the program after installation and register it to the full version:
Step 3. Got it for 1 year free with full function!
Terms & Conditions
- This is an annual license for the current version only
- Non-commercial usage
- No free updates and tech support
- You must register it before the giveaway has ended