Free · No sign-up · Files stay on your device

How to protect a PDF

  1. Select your PDF.
  2. Type and repeat a password, then choose what readers may do.
  3. Click Protect PDF and download the encrypted file.

Private by design

Protect PDF runs entirely in your browser. Your file is processed on your own device and is never uploaded, so it stays private. It’s free, with no sign-up and no watermark.

Frequently asked questions

Can you recover my password if I forget it?

No. Passwords are never stored anywhere, so keep it safe.

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