Lock PDF with Password

Add AES-128 encryption to protect your documents

Drop your PDF here or click to browse

Maximum file size: 100 MB

Password Requirements

  • At least 8 characters
  • Contains letters (a-z)
  • Contains numbers (0-9)
  • Contains special characters (!@#$%)
Encrypting your PDF...

PDF Locked Successfully!

Your PDF is now password-protected with AES-128 encryption


Secure Encryption

Your PDF is encrypted with AES-128 bit encryption, the same standard used by banks and government agencies.

Privacy First

We respect your privacy:

  • Files are auto-deleted after 1 hour
  • No data stored on servers
  • Secure HTTPS connection
  • No registration required

Tips

  • Use a strong, unique password
  • Combine letters, numbers & symbols
  • Avoid common words or phrases
  • Keep your password safe