Lock your bulk pdf documents with open password and various user restrictions using Axommsoft pdf encryption software. Tool provides two types of locking: user password lock & owner password lock. Tool locks pdf documents with user defined open password. When any user tries to open locked pdf file, its prompts to type correct password. Owner password encrypt pdf document for various restrictions like it disable pdf printing, block pdf editing, disallows pdf content copying, deny form filling, signing, commenting and page extraction etc. Encrypting pdf documents with open password and owner password ensures that only intended clients can open & view pdf documents and can access only limited functions of pdf which are allowed by the owner of document. This advance utility supports encryption of 40 bit RC4, 128 bit RC4 and 128 bit AES level security to protect batch pdf files. User simply needs to add pdf files, select encryption level type and type the lock password to encrypt the content stream of document. Free trial version evaluation copy works perfectly but with watermark on pages. Characteristics of the application: (1) Support of RC4 and AES 128 bit encryption level. (2) Lock pdf with open password and owner password. (3) Tool is compatible with all Windows OS. (4) Utility supports all versions of pdf documents. (5) Program is non-destructive and maintains data integrity.