ToolsRio

Protect PDF

Add a password to encrypt and protect a PDF file.

How to use

  1. 1

    Upload your PDF file.

  2. 2

    Type the password you want to protect the file with.

  3. 3

    Click "Convert" and download the protected file.

Frequently asked questions

What kind of encryption is used?+

AES-256 encryption is used — the same standard found in professional PDF protection tools.

What if I forget the password after protecting the file?+

You won't be able to open the file again without it; keep the password somewhere safe before downloading.

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