PDF Protection Unlocker - Version 5.0 Catch the PDF Protection Unlocker tool to unlock,unprotect or unrestrict protection or restriction ofPDF file. By using our application PDF ProtectionUnlocker, user are enable copy, print, edit, modify,extract content, filling form on PDF files. Thesoftware will operate on all Windows such as 98, ME,NT, 2000, XP, 2003 and Vista systems. It also supportsthe Acrobat version up to 9.0, even with 128-bit or256-bit encryption. Unrestrict PDF in its trialversion, provides you capability to indentify which PDFfile is restricted with PDF protection. But to unlockthe whole protection of PDF, you have to buy fulllicense of software at $25.