From Cool Converter:
Cool Free Audio to OGG Converter is an all-in-one and professional OGG audio conversion software. With Cool Audio to OGG Converter, you can convert almost all media including AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV video and MP3, AAC, AC3, AMR, M4A, OGG, and WAV audio to OGG audio format. It provides optimized default setting, just a click to start conversion. Cool Free Audio to OGG Converter doesn't support batch conversion.