EthicalApp

MP4 to MP3

Pull the sound out of a video, or turn WAV/FLAC/M4A into MP3.

🔒 Free · no upload · no sign-up · no watermark

Convert audio or video

For example .wav → .mp3, .mov → .mp4, a video's sound → .mp3, or a short clip → .gif.

Drop audio or video hereor click to choose files

    The converter (about 32 MB) loads the first time you use it. Video takes longer in a browser than in the desktop Converter, which is also better for files over 1 GB.

    How to mP4 to MP3

    1. Drop your video or audio files in the box.
    2. Keep MP3 (or choose M4A, WAV, OGG, FLAC).
    3. Click Convert and save.

    Private by design

    Your files never leave your device: everything happens inside your browser, nothing is uploaded or stored, and there's no sign-up, watermark or limit. Close the page and it's all gone.

    Questions

    Which files work?

    MP4, MOV, MKV, WebM, AVI, WAV, FLAC, M4A, OGG and most other audio and video files.

    Is it slow?

    Audio is quick. The converter (about 32 MB) loads the first time you use it.

    Are my files uploaded?

    No – the conversion runs in your browser on your own device.

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    Want this on your PC, offline?
    EthicalApp is free desktop apps for Windows – a full PDF editor, documents, spreadsheets, a converter and more. No subscription, no catch.
    Get the free apps