"PDF Settings - PDF Decryption, Encryption and Password" is a "Lite Version" of PDFCool Studio, it's an easy to use but powerful PDF tool. You can control who can access to your PDF documents and what actions they can perform once they have the password, such as Printing, Changing Document, Document Assemby, Content Copying ... The "Decrypt Documents" function can help you to easily decrypt batch PDF documents. You can also set Document Information, Viewer Preferences and Initial View Options for your PDF easily. Product Features: Easy-to-use user interface; One-off purchase for lifetime use; No hidden costs in applications; No third-party costs; Continuous updates and support.