Protect PDF
Add a password to your PDF to prevent unauthorized access. Secure confidential documents instantly.
How to use Protect PDF
- Upload your PDF file
- Enter a password
- Click protect
- Download password-protected PDF
Key features
- Adds open password protection
- Strong 128-bit AES encryption
- Prevents unauthorized access
- Fast and secure processing
Frequently asked questions
What kind of protection is applied?
An open password is required to view the file. Uses 128-bit AES encryption.
Can I remove the password later?
Yes — use our Unlock PDF tool to remove the password.