MP4toMP3 supports most of popular video and audio formats like MP4, AVI, WMV, M4P, MOV, MPG, MP3, WMA, OGG, FLAC, AAC etc.
You can set the Audio Bitrate, Rate, and Channels by clicking "Advanced Setting".
By clicking "Cut the Audio File", you can set the Start Time and the End Time. Then the converted audio file will be cut automatically.
Your uploaded video/audio will be deleted on the server immediately the conversion completed, and the converted file will be deleted automatically after 1 hour.