Convert MP4 to MP3 Online

Upload an MP4 video and select MP3 as the output. Converter processes the file online and gives you an audio file that plays on most devices.

Choose a file to convert

How to convert mp4 to mp3

  1. Upload a .mp4 file.
  2. Choose MP3 and start the conversion.
  3. Download the MP3 result.

Example

Upload video.mp4 and download video.mp3.

When to use this conversion

  • Repurpose a recorded video for another delivery format.
  • Extract a MP3 audio track from an MP4 video.
  • Save speech from a recorded talk for listening without video.

Best practices

  • Keep the original video; transcoding cannot improve source quality.
  • The output contains audio only; video frames are removed.
  • Large or long videos can take longer to process and may produce a larger file.