Certificate Encryption

Encrypt PDF for specific recipients

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Accepted: .pdf · Files stay in your browser

Free · No signup · No watermarks · Files never leave your browser

How to use Certificate Encryption

  1. Upload your file using the drop zone above.
  2. Adjust any options for the certificate encryption task.
  3. Click Process and download your result instantly.

Why use PDFzelo Certificate Encryption?

Encrypt PDF for specific recipients. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.

Frequently asked questions

How does it work?

Only holders of the specified certificates can open the file.

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