MP4 to MP3 Converter
With this MP4 to MP3 converter you can extract the audio from a video. Only need the audio track from a movie? Get it here.
Ready to work on your audio?
Everything here runs in the browser, with no install and no sign-up.
Why convert MP4 to MP3 here
Video in, MP3 out
Drop in a video and only its soundtrack comes back. There is no video editor to learn, nothing to install, and it runs in your browser on any device.
Real audio settings
Set the bitrate, sample rate, channels, and volume normalisation, or leave everything on automatic.
Your files stay yours
Transfers are encrypted and the conversion is fully automated. Nobody watches your video, and your files are never shared or used to train AI models.
How to convert video to audio
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Upload
Upload your video file, such as MP4, MOV, or another format.
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Adjust
Use the optional settings to customize your audio file. (optional)
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Convert
Click "Start" to extract the music or audio from your file.
What is an MP4 file?
MP4 is a container, not one single kind of data. A single MP4 file is a container in the MPEG-4 Part 14 format. It wraps a video track, one or more audio tracks, and often subtitles or cover art.
The sound inside is almost always AAC. Converting to MP3 lifts that audio track out of the container and encodes it on its own. The picture is discarded, so the MP3 you get back is a small fraction of the size of the video.
Convert MP4 to MP3
Why would you need to convert video to audio? This lets you rip music or extract quotes from any video file, such as movies or clips. By converting from MP4 to MP3, you can extract the audio from your video file.
It is also the fix when a file refuses to play where you need it. Car stereos, older MP3 players, podcast apps, DJ software and voice recorders all expect plain audio rather than a video container.
How good will the MP3 sound?
The audio inside an MP4 is already compressed, so extracting it always costs one more encoding pass. Staying at 192 kbps or above keeps that step inaudible for most material and most listeners.
For speech (lectures, interviews, podcast rips), 96 to 128 kbps in mono is plenty and roughly halves the file size. The optional settings also cover sample rate, variable bitrate (VBR), volume normalisation, and removing cover art. You can tune the result instead of accepting one fixed preset.
The bitrates you can choose, in kbps. A higher bitrate means better quality and a larger file.
MP4 to MP3 FAQ
How do I turn an MP4 video into MP3?
Upload the MP4 above, change the optional settings if you want to, and start the conversion. The audio track is pulled out of the video, encoded as MP3, and ready to download.
How do I make my MP4 into an MP3?
The same way, from any device. Open this page in your browser, pick the MP4 from your computer, phone, or cloud storage, and press start. There is no software to install and no account to create.
Is converting MP4 to MP3 free?
Yes. Everyday conversions are free, with no account and no watermark on the audio. Very large videos and long batches are covered by a subscription, which also removes the waiting queue.
What's the difference between MP4 and MP3?
MP4 is a container that can carry video, audio, and subtitles at the same time. MP3 holds one audio stream and nothing else. That is why an MP3 is far smaller and plays on audio-only devices where an MP4 will not.
Can I convert other video formats to MP3?
Yes. MOV, AVI, MKV, WEBM, WMV, FLV, and 3GP files work exactly the same way. This page handles any video to MP3 job, not just MP4.
Can I convert several videos at once?
Yes. Add as many video files as you need and they are converted in one batch, each returned as its own MP3.
Can I convert MP4 to MP3 on my phone?
Yes. Open this page in your mobile browser and pick the video from your device or cloud storage. There is no app to install on Android or iOS.
What happens to my files after converting?
Every upload and download runs over an encrypted connection and the conversion is fully automated, so no one reviews your video. Your files are never shared with third parties or used to train AI models.
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