MP4 to MP3
Extract audio track from video directly in your browser. No server upload.
Done! Listen and download:
- One file at a time
- Size — up to 100 MB
- Works with MP4/MOV with AAC audio. Other codecs may not be supported
About MP4 to MP3 converter
MP4 is a container that holds video and audio. Sometimes you need to extract only the sound: for a podcast, music from a clip, a lecture. Our tool does it directly in the browser.
Audio decoding via Web Audio API, encoding via lamejs. The file is not uploaded to the server. Works with MP4 and MOV containing AAC audio (standard for most videos).
What the tool can do
- MP4, M4V, MOV → MP3.
- Bitrate selection: 128–320 kbps.
- Large files: up to 100 MB.
- Privacy: files are not uploaded to the server.
How to use
- Drop the MP4 file.
- Choose bitrate.
- Wait for audio extraction.
- Listen and download MP3.
Frequently asked questions
What videos are supported? MP4, M4V, MOV with AAC audio. This is the standard for most videos from phones, cameras and YouTube downloads.
What to do with unsupported codecs? If audio extraction fails, try another bitrate or use third-party tools.
Can I extract audio from YouTube video? Yes, if you have a downloaded MP4 file. Direct download from YouTube is a separate task.
What bitrate to choose? 192 kbps — universal. 320 kbps — maximum quality. 128 kbps — for podcasts and lectures.