From the developer: "Easy to use -- Just one right click of the mouse!! Converts MP3 files into CD compatible WAV, Microsoft Media Audio (.WMA), NTT Cyber Space Lab's Audio (.VQF) and Ogg Voribs files(.Ogg)! It can be used to create custom CDs or free your hardisk's space with wma, vqf, ogg which is two times smaller then 128kpbs mp3, but has great quality! Convert all your mp3s to ogg now!"