How to password-protect a PDF
- Open your PDF.
- Type the password twice and choose what is allowed (printing, copying, editing).
- Press “Protect PDF” and download the locked file.
Frequently asked questions
Can you recover a lost password?
No. The password is never sent to us, so keep it safe.
Which apps open the protected PDF?
Any PDF reader – Adobe, Chrome, Edge, Preview on Mac, phone readers – after typing the password.
Is this a Premium tool?
Yes. Protect PDF is included in PDF Desk Premium.