Free audio conversion software includes: Fengyun Audio Processing Master, Xrecode, MP3 Converter & Downloader.

1. Fengyun Audio Processing Master, Fengyun Audio Processing Master can also convert audio formats for free, and conversion to MP3 format is naturally a no-brainer.

2. Xrecode, this free format converter software can convert audio files to MP3.

3. MP3 Converter & Downloader, this is a multimedia format converter.

A brief introduction to the mp3 format:

MP3 is an audio compression technology. Its full name is Motion Picture Expert Compression Standard Audio Layer 3, or MP3 for short. It is designed to Reduce the amount of audio data significantly.

Using MPEGAudioLayer3 technology, music is compressed into smaller files with a compression rate of 1:10 or even 1:12. For most users, the playback sound quality is the same as the original uncompressed file. There is no noticeable drop in audio.