pdf tool

Protect PDF with a password

Lock your PDF with AES-256 encryption.

or drop PDFs here

How it works

How to protect pdf with a password

  1. Click Select PDF files or drag and drop them into the box above.
  2. Adjust the options in the sidebar.
  3. Press Protect PDF and wait a moment.
  4. Download your files. Multiple results are bundled in a ZIP.
Privacy

Private by design

Password-protect a PDF with strong AES-256 encryption and optionally restrict printing and copying.

Image edits run inside your browser whenever possible. Anything sent to the server is deleted automatically within minutes of you downloading it.