Need to protect your private pdf documents with password protection or want to secure pdf from printing, editing and copying? Pdf security software helps in locking document with open password security and owner restrictions. Once you protected pdf files with open password, anyone who will try to open the document, reader will prompt to input correct user password to view pdf. The same is for owner password, if applied; you can restrict pdf editing, printing, copying, form filling, signing, commenting and page extraction in your private document. Pdf security tool supports latest strong RC4 and AES 128 bit encryption level security protection. In addition to this, user can add multiple pdf files into list for encryption with user and master password. Program is very easy to use, compatible with windows operating system including Win 7.