PDF Encrypt & Decrypt 5.0
rotect your PDF files with passwords and prevent PDF files from being printed, changed, copied, extracted, signed, filled, assembled and/or merged. To decrypt PDF won't be difficult with this utility.
Supported PDF Versions:
PDF version 1.0 (Adobe Acrobat 1.x)
PDF version 1.1 (Adobe Acrobat 2.x)
PDF version 1.2 (Adobe Acrobat 3.x)
PDF version 1.3 (Adobe Acrobat 4.x)
PDF version 1.4 (Adobe Acrobat 5.x)
PDF version 1.5 (Adobe Acrobat 6.x)
PDF version 1.6 (Adobe Acrobat 7.x)
PDF version 1.7 (Adobe Acrobat 8.x, 9.x, 10.x, ISO 32000)
PDF version 2.0 (ISO 32000-2)
Supported Platforms:
Windows 8 Home Basic
Windows 8 Home Premium
Windows 8 Business
Windows 8 Enterprise
Windows 8 Ultimate
Windows 7 Home Basic
Windows 7 Home Premium
Windows 7 Business
Windows 7 Enterprise
Windows 7 Ultimate
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional Edition
Microsoft Windows XP Media Center Edition
Microsoft Windows 2000 Professional Edition
Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2008
Microsoft Windows Server 2012
Microsoft Windows Home Server Edition
Microsoft Windows Media Center Edition
Microsoft Windows NT 4.0 Service Pack 6
Microsoft Windows ME
Microsoft Windows 98 Second Edition