Boxoft PDF Security - Version 3.7 Boxoft PDF Security is a flexible and powerful desktop utility program that lets You setting various security parameters to your PDF file easily, with Boxoft PDF Security, you can protect PDF files with 128 bit encryption, or remove existing password protection and can copy and print the PDF files after decryption, It also can handle either single or batch PDF documents. Another convenient features include password pool and watched folder ModeFeature: Batch Change Properties of PDF Files (PDF Title, Subject, Author and Keywords.)Password protect opening of the document Add Expiry Time and Data to PDF FilesIt's simple to use it like a batch application to set permissions to every PDF in your archive Work with Hot DirectoriesPrevent printing of the document Prevent copying of text/graphics Prevent changes to the document