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Encrypt a PDF with permissions

Go beyond a simple password. Choose the encryption strength and decide exactly what recipients may print, copy or edit.

or drop files here

PDF Up to 100 MB Processed in your browser

How to encrypt a PDF

  1. Select the PDF.
  2. Set an optional open password and an owner password for changing permissions.
  3. Choose AES-256 or AES-128 and tick the permissions to allow: printing, copying, editing, annotations, form filling.
  4. Click "Encrypt PDF" and download.

Why use TotoPDF Encrypt PDF?

Granular permissions

Allow or block printing, high-quality printing, copying, editing, commenting and form filling.

Two passwords

An open password for readers and an owner password for changing the rules.

Choice of strength

AES-256 by default, AES-128 for compatibility with older readers.

Client-side encryption

Uses qpdf in WebAssembly, so the document stays on your device.

Frequently asked questions

Yes. Leave the open password empty and set only an owner password with printing disabled.

Standard viewers respect them, but some tools can ignore permissions. For confidential content, also set an open password.

AES-256 is recommended. Choose AES-128 only if recipients use very old PDF software.

Protect PDF is the one-step option for an open password. Encrypt PDF adds owner passwords, permissions and strength options.