1. Go to Media-Convert in your favorite browser. Click "Choose File" and locate the MP3 file on your hard drive. Select it in the pop-up by clicking on "OK."

2. Pick "MP3" as your input format in the drop-down menu. Next, select your output format in the second drop-down menu; Media-Convert supports more than 20 audio formats.

3. Click "OK" to start the MP3 conversion. After the conversion completes, click the file link to download your new file.

1. Go to Media Converter.

2. Choose "Upload a file" and locate the MP3. Afterward, choose your desired output format.

3. Click "Start" to convert to your new format. Once the conversion finishes, click on the Media Converter link to receive your new file.

1. Load Zamzar.

2. Click "Choose File" and locate the MP3 you want to convert. Afterward, select your target conversion format.

3. Give Zamzar your email address and click "Convert." Soon, you'll receive an email from the site with your converted file.

First,you need to find a good video converter.

Then click on their official website and know more about how to convert MP3 to any audio file type.

Know more go to ifunia.com

I recommend ifunia media converter to you.

It can convert video/audio files, rip DVD to any other popular video/audio formats directly.

Google it.