Convert MP4 to MP3 online for free. Choose an MP4 video from your device, extract the soundtrack as a high-quality MP3 file, and save the audio for music, clips, podcasts, or offline listening.
Select your MP4 file and turn its audio track into an MP3 directly in your browser.
Made for .mp4 videos under 500 MB. For other formats, use the general video to MP3 converter.
or drag and drop your MP4 file here
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Extract an MP3 audio file from an MP4 file in three simple steps.
Select an MP4 video from your device, or drag the file into the converter to start the MP4 to MP3 process.
Extract the audio track from your MP4 video and create an MP3 file. Preview the converted audio in your browser before saving it.
Download the finished MP3 file to your device and use it for music, clips, podcasts, voice notes, or offline listening.
Common questions about converting MP4 to MP3 online in your browser.
No. This MP4 to MP3 converter runs in your browser with WebAssembly, so the selected MP4 file stays on your device.
This converter accepts MP4 files only. For other video formats, use the Video to MP3 converter.
The browser downloads the ffmpeg.wasm converter core the first time. After that, conversion speed depends on your device, browser and MP4 file size.
No. The source MP4 file must contain an audio track before an MP3 file can be created.
Only convert MP4 files you own or have permission to use. You are responsible for respecting copyright and local laws.