Skip to content

Protect PDF

Require a password to open your PDF with AES-256 encryption.

A fresh start for your PDFs.

Drag a PDF file here and let’s make something happen.

or drop here. Pasting works, too.

Only on your device. Always in your control.

How to protect PDF

  1. 1

    Choose an unencrypted PDF.

  2. 2

    Enter and confirm an opening password.

  3. 3

    Encrypt and download the protected PDF.

About this tool

Encrypt your PDF locally with a password you choose. Keep your password somewhere safe: pdfy does not store it and cannot recover it.

  • On your device

    Your document is processed in this browser. Files and passwords are never uploaded.

  • Free to use

    No account, added watermark or daily task quota.

  • Know what to expect

    Encrypt your PDF locally with a password you choose. Keep your password somewhere safe: pdfy does not store it and cannot recover it.

Protect PDF FAQ

How does Protect PDF work?

Encrypt your PDF locally with a password you choose. Keep your password somewhere safe: pdfy does not store it and cannot recover it.

Are my files uploaded?

No. Document processing runs locally. Your browser downloads the required engines and fonts, but does not send your document to a processing server.

Related tools