A-PDF Password Security the name you can rely upon to change the password security of existing Acrobat PDF files.
    As the name itself indicates, this amazing tool can be used easily to change the password security of existing Acrobat PDF files. With this tool you can now protect PDF files with 128 bit encryption or alternatively remove password protection. With the capability to handle the security settings of a single or batch documents this program offer functions like: encryption or decryption of PDF files, change the restrictions of PDF documents, creates special password pool to unsecure a batch of PDF files with one password, allows setting up a monitored directory for writing all files to that directory, allows to modify metadata, and many more convenient features that makes this tool comfortable at the user end.
    A-PDF Password Security, this reliable solution also supports the enabling and disabling of the expiry of any Acrobat PDF file.