Convert MP4 to MP3
Rip the audio track out of an MP4 video into a clean MP3 — music videos, lectures, podcasts. Extraction runs locally in your browser, nothing uploaded.
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What does this tool do?
It reads the audio track from an MP4 (or MOV) video, discards the picture, and encodes the sound to a standalone MP3 file.
Why extract audio from MP4?
When you want just the sound — a song from a music video, a lecture, or a podcast recording — an MP3 is far smaller and plays on any audio device.
Quality notes
The audio is decoded and re-encoded to MP3 at high VBR quality. Only the audio stream is processed, so extraction is fast even for long videos.
How to mp4 to mp3
- Drop your .mp4 files above, or browse to select them.
- Press Convert all — the audio track is extracted locally with ffmpeg.
- Download each MP3, or all of them as a ZIP.