Secure online PDF tool

Protect PDF with a Password Online

Add an opening password to a PDF so recipients must enter the password before viewing the downloaded document.

Built for this PDF task

What Protect PDF does

Protect a PDF with a password online using AES-256 encryption before sharing the file.

  • Add an opening password
  • Use AES-256 encryption
  • Create a protected copy of the PDF

Questions about Protect PDF

Can PDFEditHub recover a forgotten password?

No. Store the password safely because PDFEditHub cannot recover it for you.

Does this overwrite my original PDF?

No. The tool creates a separate password-protected PDF.

Drop your PDF here

PDF documents

Use 8–40 characters and keep the password somewhere safe. PDFEditHub cannot recover it after the protected file is downloaded.

Guest files stay local until you continue. Sign in and choose access before processing.

How it works

Use Protect PDF in three steps

  1. 1

    Choose your file

    Select the PDF or image you want to process.

  2. 2

    Choose settings

    Review the available options and enter page ranges or settings when required.

  3. 3

    Process securely

    Run the tool and download the completed document when it is ready.

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