Password protect a PDF with AES-256

Protect a PDF with an AES-256 open password entirely in your browser. Neither the file nor password is uploaded.

Drop your files hereor click to browse

PDF passwordConfirm password

01

How to use it

Choose an unencrypted PDF.
Enter and confirm a strong password.
Process and download the protected PDF.

02

Helpful tips

Use at least eight characters with numbers and symbols.
Share the password through a separate secure channel.
Keep a safe copy because this site cannot recover forgotten passwords.

03

Frequently asked questions

Which encryption method is used?＋

The tool creates AES-256 PDF encryption through qpdf.

Is my password uploaded?＋

No. The password and PDF remain inside the current browser tab.