Axommsoft pdf encryption software is one of the best utility to password secure acrobat pdf files with open password settings. Program quickly encrypts pdf documents with owner password restrictions to lock editing, printing & copying. It is sufficient enough in securing file with RC4, AES encryption level of up to 128 bit. If you are in need for a solution of securing your acrobat pdf documents, Axommsoft pdf encryption is best selection which is affordable, reliable and flexible too. User can define the restrictions parameters like edit, print, copy, form fill, sign, comment, extract etc to lock with permission password. Permission password is the owner password which restricts pdf accessibility without password. Sometimes this is called as pdf owner password of document. Pdf security tool is Windows based desktop program, lets users to import more than one pdf file to protect. In addition with owner password security, it also facilitates to secure document with open password lock. Means if users open pdf document with pdf reader, it prompts to type password to view pdf content. Securing of document is now easy with the help of pdf encryption software in just three steps. Import pdf file, set optional parameters of security password and start encryption. Trial version is limited in use and need user registration.