Debenu PDF Tools is available in a free version and also a Pro edition. The latter normally costs $59 but is currently free of charge. Your download of the free edition will include a serial number for the Pro one, which you simply enter on the Application Info option of the menu.
Download Debenu PDF Tools Pro for free (Windows XP, Vista and Windows 7 32-bit and 64-bit).
Via: Gizmo's Freeware