Protect PDF
Set a password that is required to open the PDF. Encryption is AES-256 by default and runs on your device, using qpdf compiled to WebAssembly.
Drop a PDF file here
Files are opened locally in your browser and are not uploaded.
How to password-protect a PDF
- Open the PDF you want to protect.
- Enter a password and type it again to confirm it.
- Optionally restrict printing, copying or editing.
- Click Protect PDF and download the encrypted file.