Protect PDF

Add a password to secure your PDF documents from unauthorized access.

How to password-protect a PDF

  1. 1Upload the PDF you want to secure.
  2. 2Set a strong password.
  3. 3Download your encrypted PDF — it will require the password to open.

Why protect a PDF

  • ✓Keep sensitive documents confidential.
  • ✓Strong encryption applied on our servers.
  • ✓Share safely over email and the web.
  • ✓Free and private.

Frequently asked questions

What happens if I forget the password?

We cannot recover it — the password is not stored. Keep it somewhere safe.

How strong is the encryption?

We apply modern AES encryption so the file cannot be opened without the password.