PDF Tools
PDF Password Protect
Add password protection to any PDF. Encryption runs in your browser — your file and password never leave your device.
Protect PDF with Password
Drop a PDF here
or click to select a file
Important: If you forget the password, the PDF cannot be unlocked. There is no recovery. “Unlock” without the password is intentionally impossible. This tool encrypts (protects) PDFs; it does not crack them.