How to use the MP4 to MP3 tool
- Drop an MP4 video.
- Pick the MP3 quality.
- Click Extract MP3 and download the audio.
Keep just the sound
Save the audio from a lecture, interview, music video or voice recording as a lightweight MP3 you can listen to anywhere. The video is discarded and only the sound track is encoded.
MP4 to MP3: free, fast and private
Extract the sound from an MP4 video and save it as an MP3 file — for free, on any device. Whether you are working with music, voice notes, podcasts and lectures, the MP4 to MP3 tool gets it done in seconds without installing anything.
Because MP4 to MP3 runs locally in your browser, it is fast and private at the same time — there is no upload to wait for and no copy of your data left behind.
Helpful tips
- 192 kbps MP3 sounds great for music; 128 kbps is plenty for speech.
- Converting a small MP3 into WAV or FLAC does not add quality.
- Name your files clearly so they sort well in your music app.
Related free tools: MP3 Converter, Video to MP3, Audio Converter.
More questions about MP4 to MP3
Is MP4 to MP3 free to use?
Yes. MP4 to MP3 is completely free with no sign-up, no watermark and no daily limit.
Does MP4 to MP3 work on my phone?
Yes. It works in any modern browser on iPhone, Android, Windows, Mac and Linux — nothing to install.
Are my files uploaded anywhere?
No. Everything is processed on your device inside the browser, so it stays private.
Frequently asked questions
Is the audio quality kept?
The audio is re-encoded at the MP3 quality you choose; 192 kbps or higher sounds the same as the original for most people.
Is my video uploaded?
No, everything happens in your browser.
Is the MP4 to MP3 tool really free?
Yes — completely free, forever. There is no sign-up, no payment, no watermark and no daily limit.