Securing Acrobat PDF documents from unauthorized access is now easy with the use of pdf encryption software, helps in inserting pdf open password and master password which restricts pdf editing, printing & copying. Users are free to input their own desired password of any length to encrypt pdf data. Encrypting documents ensures that only intended person is allowed to open pdf using correct password. Four types of encryption processing are provided by the program, RC4-40-bit, RC4-128-bit, AES-128-bit and AES-256-bit. All versions of Acrobat pdf file encryption support are available. Permission password restricts pdf from being copied, printed, edited, form filled, commented, signed. Tool also disables pdf content copying for accessibility and data extraction like text and images. PDF Encryption software is Windows 8 ready tool, quickly encrypts bulk pdf documents. Trial version is provided for evaluation and compatibility with your Windows XP, Vista or 7 operating systems. Make sure to register the trial version to use continue because trial stamps watermark over output pages.