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Protect PDF: Add a Password to Your PDF

Encrypt a PDF with an opening password and optional reader permissions.

Output: PDF · Free tool · Upload and processing limits apply

or drop a file here · free, no signup, files deleted automatically

Open the tool before choosing a file

How to password-protect a PDF

  1. Upload your PDF (drag & drop or browse).
  2. Choose Protect PDF, set a user password, and pick what's allowed (printing, copying, editing).
  3. Download the result and compare it with your original before sharing.

A practical starting point

Set an opening password and try opening the result without it before sharing. Send the password through a separate communication channel.

Frequently asked questions

What are the limits of Protect PDF?

Copying and printing restrictions depend on the reader honoring them and cannot prevent screenshots. The tool cannot recover a forgotten password.

How should I check the Protect PDF result?

Test a wrong password and the correct one in another viewer. Keep an accessible original securely and check encryption support if a recipient cannot open it.

Guidance updated . Report an incorrect instruction or conversion problem.

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