Protect PDF
Protect your PDF with a password for security.
Protect PDF with password
Add password protection to your PDF documents to control who can access the content. Ideal for confidential documents.
The password and file are processed entirely in your browser. They are never sent to any external server.
Frequently asked questions
What type of protection does it offer?
The tool adds basic protection to your PDF. For advanced encryption, specialized software is recommended.
Can I protect any PDF?
Yes, you can add protection to any PDF file you upload.
Is the processing secure?
Yes, everything is processed in your browser. Your password and files never leave your device.
What if I forget the password?
Keep your password in a safe place. If you forget it, you can use our unlock tool if you know the key.
Are there password requirements?
The password must be at least 4 characters. Using a combination of letters, numbers and symbols is recommended.