Protect PDF

Add password protection to your PDF

Protect PDF — add password and 256-bit AES encryption

Add password protection to your PDF files. Secure sensitive documents with 256-bit AES encryption. Free online PDF password protection.

256-bit AES encryption
Set password for opening the document
Works with all PDF viewers

How secure is the encryption?

We use 256-bit AES encryption, the same standard used by banks and governments.

Can I remove the password later?

Yes, use our Unlock PDF tool with the original password.