SysInfoTools PDF Protect and Unprotect

SysInfoTools PDF Protect and Unprotect software is the best way to protect PDF files as well as unprotect PDF files without causing any changes or damage to the original files. If you want to protect PDF files, you can apply various security parameters on them as well as user and owner password to protect them. Also, you can unprotect PDf files by removing all the security parameters and password, be it user or owner. Its an easy-to-easy application that requires no prior technical expertise. Any technical or non-technical user can use it with ease. Software is available with demo version for free evaluation.Key features of PDF Protect and Unprotect software are: Protect PDF files with user password as well as owner password; Support single as well as multiple PDF files for batch operation; Auto-search PDF files in the system in just a couple of seconds; Apply various security parameters on PDF files to protect them; Unlock PDF files which are protected with user as well as owner passwords; Safely remove all the existed security restrictions from the PDF files; Smartly identify all common encryption types of PDF document; Allow modification (optional) in output PDF files description; Compatible with Windows 10, 8, 7, Vista, 2003, XP and 2000.