Converting NTFS to FAT

[Cosmo]

How can I convert a NTFS partition to FAT32 without having to format it and lose all data? Or is there any other program than Partition Magic that can be used to increase the size of a ntfs partition? (damn that huge win XP install

 

[Doh!]

System Commander

 

[Cosmo]

Thanks, do you have a link to any trail version or whatever? Searched the homepage but I don't want to pay up before I try it.