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Actually Free MP4 to MP3 Converter

Convert MP4 video to MP3 audio free — save lectures, songs and voice notes. Processed on your device, no upload.

What it does

To convert MP4 to MP3 for free, drop the video here and download its soundtrack as an MP3 — or M4A or WAV. It works for lectures, music videos you own, and voice notes sent as video. The conversion runs on your own device with ffmpeg, so the video is not uploaded.

How to use it

  1. Drop the MP4.
  2. Keep MP3 selected.
  3. Extract and download.

Questions people ask

What bitrate is the MP3?

192 kbps — good quality at a reasonable size.

Can I convert MOV or MKV too?

Yes.

Can I trim the result?

Yes — open the MP3 in Audio converter and set start and end.

Is Extract audio from video on ActuallyFreeTools really free?

Yes. There is no sign-up, no daily limit, no watermark and no paid tier. Nothing is held back for paying users.

Are my files uploaded anywhere?

No. Extract audio from video runs inside your browser, so your files are processed on your own device and never sent to a server. That is also why there is nothing to meter or charge for.

Related tools

Extract audio from videoSave the soundtrack as MP3.Audio studioSee the sound, trim it, convert to MP3, WAV, M4A, FLAC.MP4 to GIF ConverterPick the moment on the timeline, get a GIF.Trim & convert videoDrag two handles to keep the part you want.

Last updated 30 October 2026. ActuallyFreeTools tools run entirely in your browser.