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MP4 to MP3 — Extract audio from video

Save the first audio track of an MP4 video as MP3. Choose 128, 192 or 320kbps; video processing stays on your device.

How it works and what is supported

Save the first audio track of an MP4 video as MP3. Choose 128, 192 or 320kbps; video processing stays on your device.

Input
MP4, WEBM, MOV, MKV, AVI, M4V, MPEG
Output
MP3, WAV, M4A, OGG, FLAC
Processing
Browser on your device

Step-by-step instructions

  1. Choose video files.
  2. Set audio output format and bitrate.
  3. Extract and download the audio.

Limits and considerations

Videos without an audio track cannot be processed. The first run downloads about 32MB of software; processing stops after 3 minutes per file.

50MB per file · up to 20 files · 150MB total input. Available capacity depends on device memory and browser support.

Can I extract audio from a YouTube URL?

No. This tool processes video files selected from your device and does not download URLs.

Feature information reviewed:

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