AWinware Pdf encryption software is advanced and easy to use Windows utility to password protect batch pdf file with password protection. Tool helps in restricting pdf file editing, printing & content copying by unauthorised user. Only the intended recipient can open and view the content of document after supplying correct password. AWinware pdf security tool is compatible with Windows XP, Vista, 7 and Windows 8 operating system. Tool lets user to password encrypt pdf using RC4 or AES encryption method. It supports all length of encryption key including 40-bit, 128-bit and 256-bit long. Pdf encryption software applies both user password and owner password over pdf document as per user settings. Pdf user password restricts pdf opening however pdf owner password prevents pdf file from unauthorised accessing for printing, editing & content copying, OCR, form filling, signing, commenting & page extraction. Evaluation version draws watermark over output pdf pages.