How to extract audio to MP3 format from MP4 videos for free

When you have a video encoded in MP4 format and you want to convert the audio or music track to play on a portable MP3 player, you must extract the audio from the video. Extracting the audio track from a video file to MP3 format saves file space and is compatible with a wide range of digital media players. Professional audio and video editing software is expensive. However, there are many free alternatives to convert the video to audio for Mac and Windows computers.

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The MP3 file format is supported by the majority of digital music players.

Kigo Video Converter

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Go to Kigosoft's website and download the free video conversion utility, Kigo Video Converter.

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Launch the application and click the "Add Files" button to load the MP4 video.

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Select "MP3 Audio (.mp3)" from the "Profile" drop-down list.

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Click the "Encode" button to extract the audio to MP3 format.

MPEG Streamclip

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Go to Squared 5's website and download the free video conversion utility, MPEG Streamclip.

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Go to the "File" drop-down menu and select "Open Files" to load the MP4 video.

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Go to the "File" drop-down menu and choose "Export Audio."

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Select "MP3" from the "Format" drop-down list and then click the "OK" button.

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Select a destination to save the MP3 file in and then click the "Save" button to extract the audio from the MP4 video.

Emicsoft FLV Converter

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Go to Emicsoft's website and download the free video conversion utility, Emicsoft FLV Converter.

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Click the "Add Files" button to load the MP4 video.

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Select "MP3--MPEG Layer-3" from the "Profile" drop-down list.

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Click the "Start" button to extract the audio to MP3 format.