PDF beveiligen

Verwerk de PDF en download een nieuw bestand zonder het origineel te wijzigen.

Sleep bestanden hierheen

of kies bestanden · PDF

Bestanden worden tijdelijk verwerkt en na de verwerking automatisch verwijderd.

What this tool does

Adds AES-256 password encryption to a PDF so only people with the password can open it.

How to use it

  1. Choose a supported file.
  2. Set any available options.
  3. Start processing and wait for completion.
  4. Download and review the result.

Common uses

  • Protect confidential documents before sharing
  • Secure a file sent over email or chat
  • Add an opening password to contracts and invoices

Tips

  • Use a strong, unique password
  • Save the password somewhere safe — there is no recovery
  • AES-256 is the strongest PDF encryption standard

Frequently asked questions

How strong is the encryption?

The file is encrypted with AES-256, the strongest option in the PDF standard.

Can the password be recovered if I lose it?

No. UTIQO does not store your password and cannot recover encrypted files.

Does protection change the pages?

No. Content and layout stay exactly the same.