Protect PDF
Add password protection to your PDF. Encrypt documents to prevent unauthorized access.
securityProcessed in browser
* Encryption is performed entirely in your browser using AES-128-CBC via the Web Crypto API. This provides basic protection suitable for casual use. For highly sensitive documents, consider using dedicated encryption software with AES-256 or stronger standards.
Frequently asked questions.
How does PDF password protection work?
We encrypt your PDF with a password of your choice. Anyone opening the file will need to enter the password.
Is my password stored?
No. Your password is used only in your browser to encrypt the file and is never transmitted or stored.
What encryption level is used?
We use AES-128 encryption, which is the standard for PDF password protection.