DSTunes is a simple utility that simplifies the process of converting mp3 files into a format playable on the Nintendo DSi.To use the program you simply drag a folder or mp3s onto the program icon and the conversion will begin. The DSi music converter.

How to use:
1. Drag a folder or mp3s to DSTunes
2. Wait for progress to complete
3. The new files will be in a folder with -aac at the end of it

The license of this software is Free, you can free download and free use this audio converter software.