How to password protect a PDF

Oct 25, 2026Scaneli

Add a password you choose so the file asks for it before it opens. Pro.

Open Protect PDF, add the file, and type the password twice.

Use at least 4 characters. The next time someone opens the file, the reader asks for that password. Scaneli does not keep a copy of the password.

Protect PDF is part of Pro. The lock is applied in your browser. The PDF is not uploaded.