What encryption is used?

AES encryption is applied so the PDF can only be opened with the password you set.

What if I forget the password?

We can't recover it — encryption happens locally and we never see your password, so there's no way to open the file without it.

Yes, you can separately restrict printing, copying and editing permissions.

Security

Add a password and AES encryption to your PDF so only people with the password can open it.

1
Upload the PDF you want to secure.
2
Set a password and choose which permissions to restrict — printing, copying, or editing.
3
Click "Protect PDF".
4
Download your password-protected PDF.

Remove a known password from a PDF.

Combine multiple PDFs into one.

Split every page or extract page ranges.