We have many mobiles devices and many audio formats available. Not all files are playable on all the devices and in such cases you need a good audio converter to convert audio files from one format to another. Helium Audio Converter is a free, fully functioning, helper application that enables you to convert your audio files into many different formats. It supports multiple popular audio formats for conversion and also comes with a neat interface.
You can add folders or files into the app and then select the format to convert them to. Before you convert, you can also analyze the files for any errors using the analyzer tool. There is also option to select the encoding details.
The audio formats supported are AAC, FLAC, M4A, M4B, MP3, MP4, MPC, Ogg Vorbis, Wave, WAVPack, WMA etc. The application cannot convert DRM protected files.
good tool