Coolmuster PDF Locker 3.0.2 is the best PDF protection software to lock PDF files to prevent other people from making changes, printing, copy etc. with high encryption level. Coolmuster PDF Locker 3.0.2 based on advanced encryption technology, which can greatly increase the encryption speed and enhance PDF protection functions. Besides, Coolmuster PDF Locker 3.0.2 supports Windows 10, Windows 11 (64-bit) and more. With this powerful PDF security software, you can add password protection to PDF files and all protected PDF files will be well protected so as to prevent others from accessing your sensitive PDF documents. Lock PDF files with high encryption level to prevent other people from making changes, printing, copy etc. with Coolmuster PDF Locker.
Coolmuster PDF Locker is a software application designed for Windows to encrypt PDF files and lock PDF files to prevent sharing of PDF content.
- Encrypt PDF files with strong password protection
- Prevent unauthorized access to documents
- Apply restrictions for printing, copying, and editing
- Batch protect multiple PDF files
- Maintain original document quality
- Fast and secure encryption process
- Simple and user-friendly interface
- Designed for document security and privacy
What’s New in Version 3.0.2
- Improved encryption performance
- Enhanced document protection features
- Optimized compatibility with latest Windows updates
- Refined PDF security workflow
- General stability and usability improvements
Installation Guide + FAQs
System Requirements (Windows)
- OS: Windows 10 / Windows 11 (64-bit)
- Processor: Intel/AMD processor
- RAM: 2 GB minimum (4 GB recommended)
- Storage: 200 MB free disk space
Build Highlights
Software: Coolmuster PDF Locker 3.0.2
Type: Official Windows Installer (Silent RePack)
Status: Clean & Tested
Size: ~62.80 MB Installer
