• Use a conversion tool to convert MP4 files to the MP3 format.mp3 player image by patrimonio designs from Fotolia.com
  
  Moving Picture Expert Group-4 (MP4) files are digital video files transmitted via the Internet and viewable on your computer or standalone media player. MP4 files are also known as MPEG-4 files. Moving Pictures Experts Group Audio Layer--1 (MP3) files are digital audio files similar to MP4 files, but these files do not contain video. You can convert the audio portion of an MP4 file to a MP3 file for playback on a MP3 media player by using a conversion tool.
  
  

Free M4a to MP3 Converter

• For Windows and Mac systems, Free M4a to MP3 Converter is one such program for converting MP4 files to the MP3 format. The program includes a "drag-and-drop" interface, the ability to set MP3 bit-rate values and a built-in audio player for testing the MP3 file once the conversion process is complete. Free M4a to MP3 Converter requires no registration or signing up for additional programs/services. To download the program, click on the "Free M4a to MP3 Converter" link in the "Resources" section.
  
  

MP4 to MP3 Converter for Mac

• MP4 to MP3 Converter for Mac is a commercial program that not only lets you convert MP4 files to the MP3 format, but also convert Windows Media and WAV files to a format that is compatible with the Mac operating system. The program includes a free trial period and a user-friendly interface. To download the program, click on the "MP4 to MP3 Converter for Mac" link in the Resources.
  
  

4Media MP4 to MP3 Converter

• 4Media MP4 to MP3 Converter lets you convert MP4 files to MP3 as well as convert other digital formats including Windows Media and Apple iPod files. The program includes the ability to change the MP3 file settings and split large MP4 files into multiple files. 4Media MP4 to MP3 Converter is a commercial program available for Windows systems. To download the program, click on the "4Media MP4 to MP3 Converter" link in the "Resources" section.
  
  

Xilisoft Audio Converter

• For Windows systems, Xilisoft Audio Converter is another MP4 to MP3 conversion tool that includes the ability to change the MP3 settings to your liking once your MP4 file is converted. The commercial program also includes tools for organizing your MP3 music file library and editing music information related to your MP3 files, known as ID3 tags. To download the program, click on the "Xilisoft Audio Converter" link in the "Resources" section.
  
  

OJOsoft MP4 to MP3 Converter

• OJOsoft MP4 to MP3 Converter is another free MP4 to MP3 format converter that includes a user-friendly interface, the ability to convert a batch of MP4 files and the ability to change MP3 settings. OJOsoft MP4 to MP3 Converter, available for Windows, is virus and spyware free and available for downloading by clicking on the "OJOsoft MP4 to MP3 Converter" link in the "Resources" section.