Password Protect PDF Online with AES Encryption

Lock your sensitive PDF files with industry-standard cryptographic encryption and custom passwords.

Why encrypt sensitive PDF files?

Financial statements, payroll slips, and legal contracts require strict protection against unauthorized reading when sent over public email channels.

How It Works

Upload PDF: Select the sensitive document you want to secure.
Set password: Enter a strong passphrase and check the strength indicator.
Encrypt & Download: Download your locked PDF. The password is required to open it.

Frequently Asked Questions

Can Levioo AI recover my password if I forget it?

No. To guarantee zero-knowledge privacy, passwords are never stored on our infrastructure.