Encrypt & Restrict Pdf files - Version 1.3 Locking pdf files is now easier with Adobe Pdf Encryption software, protects bulk pdf files with open password and owner restriction password. Using owner password, you can easily restrict specific accessibility features like print, edit, copy. Once pdf file is protected with open password security, only authorized person can open and view your private and confidential data. Tool provides option to use encryption level RC4 128-bit and AES 128-bit. This essential and easy to use encryption program is Windows compatible utility, supports Windows XP, Vista and Win 7 operating system. Pdf encryption tool is very easy to use, affordable and self-descriptive application. This must have solution helps you in protecting your private pdf data from un-authorized access. Using pdf encrypt tool, you can restrict pdf printing, deny pdf content copying and disable pdf editing. Moreover, pdf form filling, pdf singing, pdf commenting, pdf data extraction, pdf conversion can also be restricted using pdf locker program. Pdf security software supports both install and uninstall option, and available with inbuilt user help manual.