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Good for exactly this
The podcast you want to edit, the interview you need transcribed, the track you want on your phone and the voice note you want to keep.
← All the free tools
↗MP4 → MP3
Convert video to MP3 online
Pull the sound out of any common video file and walk away with an MP3 you can listen to, edit or send. Free, no software to install, no account to make.
✓ Free, actually free✓ No account needed✓ Nothing kept afterwards
Use it now ↓↗
MP4 → MP3
Free · no signup · no watermark
video→mp3
or just drag it in here
Your file is deleted after the job · download expires in 24 hours · no watermark
01Choose your fileDrag your video in, or pick it from your files.
02Press the buttonLeave this page open while it works — it is usually quick.
03It is yoursDownload the MP3 any time in the next 24 hours.
Why bother with this page
Because it does the one thing you came for.
The sound you need is already inside that video — a lecture, an interview, a track, a voice note. This page gets it out and leaves you with a plain MP3.
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No nasty surprises
You get the whole soundtrack, start to finish, at full length — nothing trimmed and nothing re-mixed.
✓
Nobody else sees it
Your upload is deleted the moment the job finishes. The result is private to you, disappears by itself after 24 hours, and you can wipe it sooner with one click.
Before you ask
MP4 → MP3, answered
01Do I need to install anything to convert MP4 to MP3?＋
No. It all happens on this page: choose your file, give it a moment, and the finished MP3 lands in your downloads.
02Will the MP3 look or sound better than the original?＋
Converting changes what your file is compatible with, not how much detail it holds. Nothing can put back what an earlier compression already threw away, so always start from the best copy you have.
03Is there a watermark, a signup or a file cap?＋
None of the three. Your upload is deleted the moment the job finishes, your download stays available for 24 hours, and you can wipe it sooner with one click.
While you are here
People usually need one of these next
JPG → PNG→
Convert JPG to PNG online
JPEG → PNG→
Convert JPEG to PNG online
PNG → JPG→
Convert PNG to JPG online
WebP → PNG→
Convert WebP to PNG online
Or make something bigger
This file could be a whole video.
Cut it, layer it, caption it, put a voice on it and export an MP4 — free, in the same browser tab. Start the editor with your original footage.