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PW Protect PDF

Add a password so only people who know it can open the PDF.

How to use Protect PDF

  1. Click the box above or drag your file onto it.
  2. Adjust the available options as needed.
  3. Press the process button, then download the result.

Safe and private

Protect PDF runs entirely in your browser. Files are never sent to our server, so private documents and photos stay on your device. It works on phones too.

FAQ

Is Protect PDF free?

Yes, free with no usage limit, no account and no watermark.

What is the maximum file size?

We set no limit. The limit is your device's memory; very large files can be slow on older phones.

Why doesn't it work?

Make sure your browser is up to date (Chrome, Edge, Firefox or Safari) and you are online when the page first opens, since the processing libraries load then.

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