Free Pdf Password Security Locker - Version 3 Axommsoft Pdf Encryption software is a free advanced windows application protects pdf documents with open password and owner password restrictions. Tool uses high level strong algo to lock documents and to protect its content stream. This Windows based program uses two types of encryption level RC4 and AES. Key strength uses by this application is 128 bit. Tool provides bulk document protection; add open password, prompt to type when user try to open it. Free download pdf locker tool to disable pdf editing, block pdf printing, disallow pdf form filling, deny pdf content copying, commenting and signing etc. Program is self-descriptive and GUI based for securing documents with 40 and 128 bits security strength. In fact tool does not require Adobe Acrobat application to be installed on system for proper working. Some features of Axommsoft pdf encryption are:(1) Support of RC4 & AES encryption security.(2) Available with inbuilt help file.(3) Standalone application. (4) Strong 128 bits encryption key.