How To Password Protect A PDF (2024)

Reduce people's access by password protecting your PDF documents.

On this very page, you're learning how to protect PDF files using passwords that you can keep for yourself and/or share with a limit circle of people.

Never let anybody access your PDF again unless they don't have a password.

Let's get at it!

How to password protect a PDF file (for free)

Secure your documents and password protect then in the following way:

1. Upload the PDF in the box below;
2. Enter & Confirm your password;
3. Download the secured PDF.

This is the fastest way to password protect a PDF without Adobe Acrobat or any other paid tool. At SignHouse, we do these things for free.

Worried that you'll forget the password or you want to change it? Besides this tool, we have a PDF unlock tool to help you remove the password that you've just set.

Why can't I password protect a PDF?

You might not be able to secure a PDF because the original file isn't yours. If so, the easiest way to password protect a PDF is to use a free online tool like ours:

1. Upload your PDF;
2. Type & Confirm the password;
3. Download the secured PDF.

That's how you properly secure a PDF without installing any app!