Pdf encryption software is quick and easier way to protect batch pdf files. Pdf security tool facilitates to protect pdf with open password (user password) and owner password. Owner password applies various restrictions over bulk pdf files. Pdf encrypt software restrict pdf for printing, editing, changing, modifying, form filling, singing, commenting etc. Pdf protection utility supports 40 bits RC4, 128 bits RC4 and 128 bits AES security encryption level. User can set his/her own open password for protection. Pdf encryption ensures that only intended recipients (clients) can open the protected documents with open password. A Pdf encryption is best suitable program to batch secure pdf e-books. Features: # Pdf encryption tool is compatible with all Windows OS including Win7. # Pdf security tool supports RC4 and AES encryption level. # Pdf protection software protects pdf files with open password and owner password. # Pdf encryption supports batch pdf files processing. # Pdf encryption software provides inbuilt help manual for instant user support.