The Browser AI

video audio extractor

extract audio

Extract the audio track from a local video as M4A or WAV. ffmpeg.wasm wird in einem eigenen Web Worker ausgeführt. Das Video wird ausschließlich lokal verarbeitet; Komprimierungsergebnisse lassen sich mit HLS.js in der Vorschau ansehen.

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Wofür ist video audio extractor geeignet?

Audio extraction saves the soundtrack from courses, meetings, or media clips as a separate file. The tool runs ffmpeg.wasm locally in the browser, and videos are not uploaded.

M4A is smaller and easier to share; WAV is better for later editing but much larger.

Unterstützte Formate: MP4, MOV, WebM, AVI; Einzeldateilimit: 500MB.

So verwenden Sie video audio extractor

  1. Schritt 1

    Select video

    Upload a video that contains an audio track.

  2. Schritt 2

    Choose audio format

    Choose M4A or WAV and start extraction.

  3. Schritt 3

    Listen and download

    Check the result in the audio player, then download it.

FAQ

Can it extract from a video without audio?

No. If the source has no audio track, processing may fail or produce an unusable result.

What is the difference between M4A and WAV?

M4A is smaller; WAV is better for editing but larger.

Will audio be uploaded?

No. Extraction is completed locally in the browser.

Technologie und Datenquellen

  • ffmpeg.wasm — Official FFmpeg project documentation for running FFmpeg in the browser.
  • Comlink — Open-source RPC library for communication between the page and a Web Worker.