Protect PDF

Lock a PDF behind a password so only people who know it can open the file.

or drag a file onto this area

Processed in your browser. Never uploaded.

This tool processes your files in your browser. We never upload them.

How to protect pdf

  1. 1

    Choose a file

    Pick from your device or drag it onto the page. It is opened in your browser and is not uploaded.

  2. 2

    Tune the settings

    Set the options you need. Everything runs inside your browser.

  3. 3

    Save the result

    Download the finished file directly to your device.

Other PDF Security tools

Unlock PDF

Take the password off a PDF when you already know it.

Redact PDF

Black out sensitive text and areas for good. Affected pages are flattened so nothing underneath can be recovered.