Protect PDF

Add a password to a PDF with AES-256 encryption and choose what others may do with it. Encrypted in your browser.

Processed on your deviceHow to check
Drop a file here

PDF files

You can also paste files with Ctrl+V.

Protect PDF: how it works

  1. Open a PDF.
  2. Type a password twice and choose what people may do.
  3. Press Protect PDF and download the encrypted file.

Questions

How strong is the encryption?

AES-256, the strongest encryption PDF supports. It opens in every modern PDF reader with the password.