PDF Protection Tool from SysInfoTools is very flexible and powerful tool that allows you to impose various security parameters to your pdf file easily. This tool allows user to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) the existing PDF documents, set permissions, add user and owner password. PDF Protection Tool from SysInfoTools is stand-alone application which means that Adobe Acrobat(or any other product)is not required. PDF Protection Tool from SysInfoTools is 100% result oriented and very fast than any other PDF protection imposer tool. It does not modifies the existing content of the file and keep the document original as before. This sophisticated software tool take a simple PDF file as input and create a copy of it for user's security( users original document's accessibility is out top priority), then it perform security insertation operations on the copy of original. with in seconds this tool do all the desired operations. PDF Protection from SysInfotools is equipped with simple and straight forward user interface and is extremely easy to operate. Anyone can use this software without requring any technical knowledge. We recommend our to download free demo version the software before buying the full version of the software for free evaluation.