A-PDF Password Security is a desktop utility program that lets you change password security of existing Acrobat PDF files. That means you can protect PDF files with 128 bit encryption or remove the password protection. It can handle either single or batch documents with a wizard. It can handle either single or batch documents. Another convenient features include password pool and hot directory. You can modify metadata at the same time also.
A-PDF Password Security 4.7.6 download