Secure PDF Lock & Unlock Tool
Protect your sensitive documents with military-grade encryption. Lock your PDFs with strong passwords and unlock them when needed.
Lock Your PDF File
Add password protection to your PDF document with strong encryption.
Security Features
- 256-bit AES encryption
- Password strength verification
- Secure file processing
- No files stored on servers
Unlock Your PDF File
Enter the correct password to unlock your protected PDF document.
Unlock Information
- Secure decryption process
- No password storage
- Immediate file access
- Client-side processing
Military-Grade Encryption
We use industry-standard 256-bit AES encryption to ensure your PDF files are protected with the highest level of security.
Privacy Focused
All processing happens directly in your browser. Your files never leave your device, ensuring complete privacy.
Easy to Use
Simple interface allows you to lock and unlock PDF files in just a few clicks, no technical knowledge required.