Pdf Password Encryption Software - Version 1.0.1 Sharing documents online need extra security if your document contains private data. Increase pdf security up to 256-AES using pdf encryption software, password lock & restrict pdf features to disallow pdf editing, printing & copying. Tool also helps in locking content with 40-bit or 128-bit RC4 encryption level, disables pdf form filling, signing, commenting & page extraction. Pdf encryption software provides capable hands to set pdf user password and restriction password ensuring you that only authorized user can access pdf with correct login password. Pdf owner password, also known as permission password restricts pdf features like edit, print & copy. Means no one can modify, change, print, copyright your digital content except you with correct owner password. Download free version to lock pdf files instantly with minimum user input. Simply import pdf files, set password & restrictions setting and finally save secured pdf at desired output location.