123 Audio File Converter is a flexible and easy-to-use tool that converts audio formats MP2, MP3, AC3, WMA, WAV, MPP, ACM, MP4 (AAC), AMR, OGG, GSM, VOX, IMA ADPCM, MS ADPCM, G-721, G.726, G.723, G.729, RAW, DSP, U-LAW, A-LAW from one to another. It has an user friendly interface that supports drag & drop. You can convert many files in batches regardless of their source formats.

123 Audio File Converter makes batch file conversion simple. Create a batch list of many different formats and convert them all to a single selected format. The converted files will be saved to a pre-selected directory folder and the original files will remain untouched.

123 Audio File Converter features include:

Convert audio formats MP2, MP3, AC3, WMA, WAV, MPP, ACM, MP4 (AAC), AMR, OGG, GSM, VOX, IMA ADPCM, MS ADPCM, G-721, G.726, G.723, G.729, RAW, DSP, U-LAW, A-LAW from one to another.
Custom output audio sample rate and bit rate.
Support batch file converting.
Kinds of Audio Codec available.
Automatically Shutdown Computer After Long Time Batch Conversion.
High converting speed, wonderful output quality.
View, edit or add ID3 Tags to MP3 files.
Easy to use with intuitive user interface and drag-drop feature.
Built-in pretty mini player
And much more...