Yes. It is free, there is no signup, and there is no watermark.

Yes. This works inside your browser, so your file never leaves your device. We do not upload or store it.

Add a password to a PDF

People sending a private document? Here is the quick, free way to do it — right in your browser, with nothing uploaded.

How to do it

1Open the Protect tool below — it runs in your browser, so your file stays on your device.
2Add your PDF and type a password.
3Download the protected file.

This runs right in your browser. Your file stays on your device — nothing is uploaded to us — and it is free with no signup.

Is it free?: Yes. It is free, there is no signup, and there is no watermark.
Are my files safe?: Yes. This works inside your browser, so your file never leaves your device. We do not upload or store it.