In past we have covered how to Open & Convert UIF to ISO now here is yet another freeware tool for ISO files. If you are looking for the way to instantly create ISO files then ISO Creator is the right tool for you. IsoCreator is a simple, easy to use C#.NET 2.0 application designed to enable users to create ISO 9660 Joliet CD images from a given folder or volume.
The application also allows you to create ISO with virtual files, given a tree representing a directory structure
Download ISO Creator.
http://kent.dl.sourceforge.net/project/iso-creator-cs/iso-creator-cs/binary-installer/IsoCreator.msi