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How to Extract Audio from Video (Free and Online)

How to extract audio from video: drag an MP4, MOV, MKV, AVI or WebM file into the converter, convert and download the MP3. Free, no sign-up.

Extract Audio from Video

MP4, MKV, MOV, AVI → MP3

Video MP3

Tap to choose your file

or

Supports M4A, WAV, FLAC, OGG, AAC, WMA, AIFF, OPUS • Max 100 MB

Encrypted upload via HTTPS. Files auto-deleted within 2 hours.

Step-by-Step: Extract Audio Online

The fastest way to extract audio from a video is an online converter. No software to install, works on any device with a browser.

  1. Open the converter. Go to cleverutils.com/mp4-to-mp3 (or use the converter above).
  2. Upload your video. Drag and drop your video file onto the converter. It accepts MP4, MKV, MOV, AVI and WebM up to 100 MB.
  3. Click Convert to MP3. The server checks that the video has an audio track, then encodes it as MP3 (VBR V2, about 190 kbps). Time depends mostly on the length of the audio.
  4. Download the MP3. Click the download button. The audio file saves to your device’s default download location.

That is the entire process. No registration, no email, no watermark. The video file is encrypted during upload and automatically deleted from servers within 2 hours.

Supported Video Formats

Audio can be extracted from all of these containers. The converter on this page accepts MP4, MKV, MOV, AVI and WebM; for the others, use VLC or FFmpeg:

Format Extension Common Source Audio Inside
MP4.mp4, .m4viPhone, YouTube, most camerasAAC (128–256 kbps)
MKV.mkvBlu-ray rips, OBS recordingsAAC, AC-3, DTS, FLAC
MOV.movApple devices, Final Cut ProAAC, PCM
AVI.aviOlder cameras, Windows appsMP3, PCM, AC-3
WebM.webmWeb, screen recordingsOpus, Vorbis
WMV.wmvWindows MediaWMA
FLV.flvLegacy Flash videoMP3, AAC
3GP.3gp, .3g2Older phones, MMSAMR, AAC
MPEG.mpg, .mpeg, .vobDVDs, broadcastMP2, AC-3
TS / MTS.ts, .mts, .m2tsAVCHD camcorders, HDTVAAC, AC-3

10 Reasons to Extract Audio from Video

1. Save music from video recordings

Filmed a live concert or street performance on your phone? Extract the audio to listen to the music without draining battery on video playback. The MP3 is usually a small fraction of the video size and plays in any music app.

2. Create podcast episodes from video

Recorded a video interview or panel discussion? Most podcast hosts and directories expect an audio file. Extract the audio track and upload directly — no video editing needed.

3. Listen to lectures on the go

Lecture and course videos are often hundreds of megabytes. A 1-hour lecture as a ~190 kbps MP3 is about 85 MB (190,000 × 3,600 ÷ 8), or 57.6 MB at 128 kbps, which fits easily on your phone. You do not need to watch the slides to absorb the content.

4. Meeting and conference recordings

Zoom, Teams, and Google Meet export video files. Extract the audio to review discussions while driving, walking, or exercising. Much more practical than rewatching a screen share.

5. Background music for projects

Need the background track from a video for a presentation, slideshow, or creative project? Extract the full audio and trim it with an audio cutter to get exactly the section you need.

6. Voice memos from video

Sometimes a video recording is the quickest way to capture information, but you only need the audio. Extract it and save storage space — a minute of 1080p phone video can take tens of megabytes, while the same minute as a ~190 kbps MP3 is about 1.4 MB.

7. Transcription preparation

Transcription services and speech-to-text tools often work better with clean audio files than video. Extract the audio first, then feed it to your transcription tool for faster, more accurate results.

8. Ringtone creation

Heard something in a video that would make a great ringtone? Extract the audio, then use an audio cutter to trim it to 30 seconds. Save as MP3 for Android or M4R for iPhone.

9. Language learning

Extract audio from foreign-language videos, TV shows, or movies. Listen repeatedly on your commute to train your ear. Audio-only forces you to focus on pronunciation and vocabulary without visual cues.

10. Reduce storage space

If you only need the audio from a video archive, converting to MP3 frees most of the storage space, because audio needs far fewer bits per second than video.

How to Extract Audio on Every Device

Windows

Windows has no built-in audio extraction tool. Options:

  • Online (easiest): Use our converter in Chrome, Edge, or Firefox. Drag in the video, download the MP3.
  • VLC: Open VLC → Media → Convert/Save → Add file → Convert → Profile: Audio MP3. Works but the interface is confusing.
  • FFmpeg (command line): ffmpeg -i video.mp4 -q:a 2 audio.mp3. Fastest for batch processing but requires technical knowledge.

Mac

QuickTime can export audio from MOV files (File → Export As → Audio Only), but only M4A — not MP3. For MP3 output or non-MOV formats, use our online converter or FFmpeg via Homebrew.

iPhone / iPad

iOS has no native audio extraction. The Shortcuts app can do it but requires complex setup. The simplest method: open cleverutils.com/mp4-to-mp3 in Safari, upload from Photos or Files, and download the MP3 directly.

Android

Some Android file managers include a basic converter, but quality is unreliable. Use our converter in Chrome — upload your video and the MP3 downloads directly to your Downloads folder. No app permissions needed.

Chromebook

Chrome OS has no built-in audio extraction tool. Online conversion is the simplest option without enabling Linux. Our converter runs in the browser and does the work on our server.

Understanding Audio Quality

When you extract audio from video, two things determine the output quality:

Source audio quality

The audio inside your video has a fixed quality set during recording. Most MP4 files contain AAC at 128–256 kbps. Professional cameras may record PCM (uncompressed) audio. You cannot improve quality beyond what the source contains.

Output encoding

Converting to MP3 involves re-encoding the audio. Since AAC and MP3 are both lossy codecs, this is a lossy-to-lossy transcode with a small theoretical quality loss. In practice, at our default of VBR V2 (about 190 kbps), the difference is inaudible to most listeners.

MP3 Bitrate Quality Level File Size (per minute) Best For
128 kbpsGood~1 MBVoice, podcasts, lectures
192 kbpsVery good~1.5 MBMusic, most content
256 kbpsExcellent~2 MBHigh-quality music
320 kbpsMaximum~2.5 MBArchival, audiophile

Our converter uses LAME VBR quality 2 (~190 kbps average), which provides transparent quality for virtually all content types.

Extracting Audio from Multiple Videos

If you have many videos to process:

  • One at a time online: Upload, convert, download, repeat. Each conversion takes under a minute.
  • FFmpeg batch (advanced): On Windows/Mac/Linux, create a simple batch script:
    for f in *.mp4; do ffmpeg -i "$f" -q:a 2 "${f%.mp4}.mp3"; done
    This processes all MP4 files in a folder automatically.
  • VLC playlist conversion: Add all videos to a VLC playlist, then use Media → Convert/Save to process them sequentially.

Troubleshooting

No audio in the output file

Some videos do not contain an audio track (screen recordings with mic muted, security camera footage, timelapse videos). If the source has no audio, there is nothing to extract. Check the original video — if it plays silently, there is no audio track to extract.

Audio is out of sync

This is extremely rare with direct extraction because the audio timestamps are preserved. If you hear an offset, check whether the original video is already out of sync when played in VLC.

File too large to upload

Our online converter has a 100 MB limit. For larger files, you have two options: trim the video first using our video trimmer, or use FFmpeg locally (no size limit).

Extracted audio sounds muffled

If the source video has very low bitrate audio (64 kbps AAC, common in old phone videos), the extracted MP3 will sound muffled regardless of settings. The quality cannot exceed what the source provides.

How to Extract Audio in CapCut, Audacity and Adobe Express

CapCut

CapCut can pull the sound out of a video: in the Audio section choose Extracted (mobile) or Extracted audio (desktop), pick the video and import its sound. Use it when you want to reuse the audio inside a CapCut project.

Audacity

With the free FFmpeg library installed, Audacity opens the audio track of MP4, MOV and MKV files through File → Import → Audio. Edit it, then save with File → Export Audio and choose MP3.

Adobe Express

Adobe Express has an online extract-audio action that saves the soundtrack of an uploaded video. It needs an Adobe account.

Method Output Account Install
CleverUtils (this page) MP3, VBR V2 (~190 kbps) No No
CapCut Audio inside the project; export options vary by version Yes Yes (or web)
Audacity + FFmpeg MP3, WAV, FLAC and more No Yes
VLC MP3 via Convert/Save No Yes
FFmpeg Any format No Yes

Ready to Extract Audio?

Drop an MP4, MOV, MKV, AVI or WebM and get the MP3

Video MP3

Tap to choose your file

or

Supports M4A, WAV, FLAC, OGG, AAC, WMA, AIFF, OPUS • Max 100 MB

Frequently Asked Questions

Only by copying the track as it is, for example with FFmpeg -vn -c:a copy; the file then keeps its original codec, usually AAC. Converting to MP3, as this converter does, re-encodes the audio and adds a small generation loss. At about 190 kbps (VBR V2), most listeners cannot hear it.

The converter on this page accepts MP4, MKV, MOV, AVI and WebM files up to 100 MB. For WMV, FLV, 3GP, MPEG, VOB or M2TS, use VLC or FFmpeg, which read nearly every container.

Open the MP4 to MP3 converter on cleverutils.com in Safari, tap Choose File, select your video from Photos or Files, tap Convert to MP3, then download the extracted audio. No app installation needed.

Extracting audio from your own videos (recordings, presentations, lectures) is legal. Extracting audio from copyrighted content may violate copyright law depending on your jurisdiction and intended use. Fair use exceptions may apply for personal, educational, or commentary purposes.

Audio extraction is much faster than video conversion because only the audio track is decoded and encoded; the video stream is skipped. Processing time depends mainly on how long the audio is. Upload time depends on file size and your connection.

Yes. In the Audio section, open Extracted (Extracted audio on desktop), choose the video and import only its sound. That gives you the audio inside CapCut; to get a standalone MP3 file, the converter above is quicker.

Yes. The converter on this page is free and needs no account: drag in an MP4, MOV, MKV, AVI or WebM file up to 100 MB and download the MP3. VLC, Audacity and FFmpeg are free desktop options.

More MP4 to MP3 Guides

Extract Audio from Video: MP4 to MP3 Complete Guide
Extract audio from MP4, MKV, AVI, MOV videos. Demux vs transcode, bitrate selection, and batch processing.
Back to MP4 to MP3 Converter

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