Audio Conversion Wizard 

This tool with easy step-by-step interface helps you to convert audio files of MP3, WMA 9, OGG and WAV PCM formats from one to another with ID3v2 copying and creation. Single mode for one-file conversion and Batch mode for converting several files.
wma converter mp3 converter ogg converter wma decoder mp3 decoder ogg decoder wma to mp3 convert wma to mp3 wma to wav mp3 to wma wav to wma wma encoder mp3 encoder

Audio Converter 

Audio Converter is a powerful audio conversion tool. It can batch convert audio files from one format to another. Supported conversions include MP3 to WAV, WAV to MP3, OGG to WAV, WAV to OGG, MP3 to OGG, OGG to MP3, MP3 to WMA, WMA to MP3 and more.
audio converter mp3 wav convert wma to mp3 converter ogg converter