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WeDoConvert

MP4 to MP3 Converter

Extract the first audio track from an MP4 video and encode it as MP3 at 128, 192, 256 or 320 kbps. The video is excluded.

Drop your videos here

or drag and drop

Processed in your browser, not uploaded.

Very large files can exceed browser memory.Audio engine licenses and source code

Processed locallyFiles and text are processed in your browser and are not uploaded to our servers.Learn more

How to use this tool

  1. 01

    Choose your file

    Select one file or a batch in the indicated input format.

  2. 02

    Adjust the result

    Only the first audio stream is selected. An MP4 without audio produces a no-audio-track error. Corrupt media and unsupported codecs cannot be converted. The output contains audio only, with no video stream.

  3. 03

    Process and download

    Start processing, then play or download the result. Files are processed one at a time.

Format and quality

Only the first audio stream is selected. An MP4 without audio produces a no-audio-track error. Corrupt media and unsupported codecs cannot be converted. The output contains audio only, with no video stream.

Local processing

Your files are processed locally in your browser and are not uploaded to WeDoConvert servers.

Very large media files can exceed browser memory. The engine loads only when you start processing. You can cancel and start another conversion.

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Frequently asked questions

Does the MP3 contain the video?

No. The output contains only sound from the first audio track.

What if the MP4 has no audio track?

The tool reports that no audio track was found and does not offer an empty MP3 download.