Lock PDF with Password
Protect your PDF files with strong password encryption. Add security to sensitive documents and prevent unauthorized access.
Drop your PDF file here
or click to browse
Features
- Strong Encryption - Industry-standard security
- Privacy First - All processing in browser
- Custom Password - Set your own password
- Instant Protection - Secure PDFs in seconds
How to Lock PDF
- Upload your PDF file
- Enter a strong password (min 6 characters)
- Confirm your password
- Click "Lock PDF" to encrypt
- Download your password-protected PDF