Pdf locker software restricts pdf accessibility of opening document, printing on papers, copying text on clipboard and changing document content. Tool provides higher level of encryption security to the pdf document including 128 bit and 256 bit long encryption key of RC4 and AES methods. AdroitPDF locker tool helps user in protecting their private and confidential data by encrypting high level of security. Tool uses just few mouse clicks to configure the required settings like restriction on printing, restriction on copying and restriction on opening document. During pdf encryption process, all available restrictions are optional, user can just choose open password only to lock file opening. Tool is completely user friendly and easy to use even for novice users. Trial version downloading is available to tryout, locks pdf file with watermarking on pages. Pdf encryption password security software is non destructive and self descriptive Windows application, compatible to run on Windows XP, Vista, 7 and Windows 8 operating systems.