Add password to PDF software perform both operations like locking and unlocking. Application integrated with options such as add PDF password & page restrictions and remove PDF password & page restrictions. Using this program you can protect your valuable PDF file from illegal user. Application offer you user and owner password for security purpose. Utility permitted you to restricted such page permission as per your need like document printing, content copying, content editing, annotations, form-filling, content copying for accessibility, assembling and page extractions. Tool permitted to use such encryption method like 128 bits and 40 bits. You can write effective file name by applying suffix and prefix method. Features: * Application support both option like locking and unlocking PDF file into several manners. * You can set password on PDF file for protection purpose also can be removes. * You can restricted such page permissions like document printing, content copying, modifying contents, accessibility, annotations, page extraction etc. * You can perform action in batch mode. * You can use encryption method like 128 bits and 40 bits. * You can set sub-string with resultant file name for creating effective file name. * You can use both 32 and 64 bit operating system. * You can work with all Window operating system like Vista, XP, NT, 2000, 7 etc.