Text::Iconv can do that, but since it relies on an external library, it might be tricky to install in Windows.

There's a ppm for Text-Iconv-1.2 available for 5.6 at the uwinnipeg rep:

ppm install http://theoryx5.uwinnipeg.ca/ppmpackages/Text-Iconv.ppd
[download]

Cheers,
Rob