MP4 to MP3 Converter

Extract the audio stream from an MP4 video and encode it as a separate 192 kbps MP3 file.

Upload Your MP4 Video
Select an MP4 video to extract audio as MP3
About This Tool

This tool extracts the audio track from an MP4 video and writes a separate MP3 file. It is useful for turning a recorded clip, talk, lecture, or screen recording into an audio-only file.

What The Export Does

  • The video stream is removed with the FFmpeg no-video option.
  • The audio is encoded as MP3 at 192 kbps.
  • Visual content, subtitles, chapters, and MP4 container metadata are not carried into the MP3.
  • If the MP4 has no readable audio track, there is no audio stream to extract.

Processing Notes

The conversion runs in the browser with FFmpeg.wasm after its runtime loads. Large files can take time and memory because the browser has to read and encode the media locally.