Protect PDF
Add password protection to PDF files with AES-256 encryption
The PDF will require this password to open
Drop files here
or click to browse
Max 30MB · Files not stored
Add AES-256 password encryption to your PDF files to keep sensitive documents secure. Only people with the password can open and view the protected PDF. Perfect for confidential reports, legal documents, and personal information.
How to Use
Upload PDF
Select the PDF file you want to protect.
Set Password
Enter and confirm a strong password (min 4 characters).
Download Protected
Your PDF is now encrypted and password-protected.
Frequently Asked Questions
Yes, we use AES-256 encryption - the same standard used by governments and banks.
Yes, use our Unlock PDF tool with the correct password to remove protection.
The protected PDF allows viewing, printing, and copying. Unlock it for full editing.