3 Best Ways to Extract Audio from MP4 for Free in 2023 (Online, Mac, VLC)

Last Updated: 2023. 05. 04

Extracting audio from MP4 videos can be extremely helpful in many ways.

You can extract audio from an MP4 video and use either entire or portions of its music, dialogue, or cool sound effects for other video projects or put the extracted audio in your iPhone, so you can listen to it while jogging or doing chores. Alternatively, you can extract the audio from a recorded podcast interview and repurpose it for an audio podcast, etc.

So, in this tutorial, we will walk you through the 3 best ways to extract audio from MP4 videos for free. Then, you can easily use the extracted audio files for different needs.

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Here’s What You Will Learn:

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How to Extract Audio from MP4 by FlexClip Online

If you are a content creator, a podcaster, a business professional, etc., and need to extract audio from MP4 videos like movies, music videos, Zoom recordings , or podcast videos and edit the extracted audio for making YouTube videos, audio podcasts, or other videos and audio content, then look no further than the user-friendly and feature-rich FlexClip online video maker.

Extract audio from MP4 videos by FlexClip online.

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With FlexClip, you can

  • Import your MP4 videos and other video formats to FlexClip’s in-browser video editor and extract audio from MP4 videos in one click.
  • Trim or split the extracted audio for portions of music or sound effects needed. You can adjust extracted audio’s volume and apply fade in/out effects for a smooth audio transition.
  • Directly save the extracted audio (WAV file) to your PC for free or use FlexClip’s free audio converter to convert it to an MP3 file.
  • Use 74,000+ royalty-free music tracks and sound effects for your video project’s sound design, along with the extracted audio.
  • Select from thousands of designer-made and fully-customizable video templates, covering podcasts, promo & sales, YouTube, TikTok, Instagram Reels, slideshows, sports, travel, lyric videos, movie trailer, etc. Just by easy drag-and-drop of your image and videos, you can create a compelling video in minutes without design experience.
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  • Apart from extracting audio from MP4, powerful AI video editing tools, such as free text-to-speech generator, auto subtitle generator, and image background remover, video-to-audio converter, etc. will boost your editing productivity and unlock infinite possibilities for you to take your video projects to the next level.
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    Step 1
    Access FlexClip and upload your MP4 videos from your PC, phone, Google Drive, One Drive, Dropbox, etc.
    Upload your MP4 videos to FlexClip

    Upload your MP4 videos to FlexClip.

    Step 2
    Click the plus sign to add your MP4 video to the intuitive timeline. You can trim or split the footage when needed.
    Add your video to the intuitive timeline

    Add your video to the intuitive timeline.

    Step 3
    Extract the audio from MP4.

    Hover over the MP4 video > right-click on it > select Detach Audio > the audio shall be extracted from the video and added to the audio track. Meanwhile, FlexClip will automatically save the extracted audio in WAV format to your PC for backup or future use.

    Right-click the video and select detach audio to extract the audio from MP4 video

    Right-click the video and select detach audio to extract the audio from MP4 video.

    The extracted audio will be saved to your PC or added to the audio track or media library

    The extracted audio will be saved to your PC or added to the audio track or media library.

    If you only need portions of extracted audio, you can trim or split the audio file with ease and adjust its volume or apply fade in/out effects.

    Trim or split extracted audio for portions of music or sound effects needed, etc

    Trim or split extracted audio for portions of music or sound effects needed, etc.

    Step 4
    Add more video assets and use your extracted audio for different video scenes.
    Use extracted audio for different video scenes

    Use extracted audio for different video scenes.

    If you need to add BGM or sound effects, just click the Audio tab > you can select from 74,000+ royalty-free music tracks and sound effects and layer multiple audio tracks to create depth and vibes for your video projects.

    Add more royalty-free music and sound effects and mix them with extracted audio for sound design

    Add more royalty-free music and sound effects and mix them with extracted audio for sound design.

    Create Now

    If your audio tracks have lyrics or dialogue, you can use FlexClip’s auto subtitle generator to automatically add burned-in subtitles to your video in click aways and with up to 95% accuracy.

    Automatically add subtitles for lyrics and dialogue in your video

    Automatically add subtitles for lyrics and dialogue in your video.

    Later, you can customize the styles of auto-generated subtitles or press “enter” to split long subtitles or merge two short subtitles with ease.

    Customize the styles of auto-generated subtitles

    Customize the styles of auto-generated subtitles.

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    Easily split or merge subtitles

    Easily split or merge subtitles.

    Step 5
    Preview and share.

    Done with the editing. You can directly save the 1080P MP4 video to your PC, or directly share it to YouTube, Google Drive, One Drive, Dropbox, or even TikTok; a clickable link is also available for your blogs, newsletters or other repurposings.

    Easily share or repurpose your videos

    Easily share or repurpose your videos.

    If you need to convert extracted WAV files to MP3 or to extract the audio from your newly-edited MP4 video, you may use FlexClip’s free audio converter and video-to-audio converter to do it in a breeze.

    Convert extracted WAV file to MP3 file for free

    Convert extracted WAV file to MP3 file for free.

    Convert Now

    How to Extract Audio from MP4 MAC Using iMovie

    If you have a Macbook, another easy workaround to extract audio from MP4 is using iMovie, a free and built-in video editor on Mac. You can either directly save the MP4 video as an MP3 audio file or detach audio from the MP4 video and make some edits and save it as an MP3. So, here is how to extract audio from MP4 on Mac.

    Step 1
    Import your MP4 video to iMovie and drag and drop it to the timeline.
    Step 2
    With the video selected, right-click on it > select Detach Audio > Now the audio of the MP4 video shall be ripped off and added to the audio tracks. Then you can trim or split the extracted audio or adjust its volume.
    Extracted audio from MP4 video in iMovie

    Extracted audio from MP4 video in iMovie.

    Alternatively, you can trim the MP4 video for the portion of audio needed > click the Share button on the top right corner > Export File > click the Format drop-down menu > select Audio Only > select the audio format (AAC, MP3, AIFF, WAV) needed > hit Next and Save.

    Directly save the MP4 as audio-only like an MP3 file by iMovie

    Directly save the MP4 as audio-only like an MP3 file by iMovie.

    How to Extract Audio from MP4 VLC

    If you happen to have VLC media player for playing videos on your PC, you may also use it to extract audio from MP4 for free.

    How to extract audio from MP4 on VLC.

    Step 1
    Import your MP4 video to VLC.

    Launch the VLC media player on your PC > click Media on the top right corner > hit Convert/Save > click the +Add button to import your MP4 video.

    Step 2
    Extract audio from MP4 in VLC.

    After you add the MP4 video to VLC, click Convert/Save > click Profile drop-down menu > select Audio-MP3 > hit Browse and select where you want the extracted audio file to be saved > click Save > press Start.

    The only drawback with VLC is that its UI is a bit vintage and the entire process for extracting audio from MP4 seems too complicated. Besides, you can’t trim or split the MP4 and extract portions of the audio file with ease.

    Now, It's Your Move

    So, that’s how you can easily extract audio from MP4 videos in multiple ways. Given the rich video assets and versatile video tools, FlexClip has the edge over iMovie and VLC. Please feel free to experiment with them all and share this post on your Facebook or Twitter and tell us your take. Cheers!

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