Video to MP3

Upload your video, extract the audio track as MP3, download it. Free, no sign-up, works entirely in your browser.

How it works

  1. Upload your video. mp4, mov, webm, mkv, or avi — up to 300MB.
  2. Click Convert to MP3. The audio track is extracted and encoded to MP3 in your browser.
  3. Download the MP3. The video portion is never processed, only the audio.

Why Stelluna

Frequently Asked Questions

Is it free?
Yes, no account needed.

Does my video get uploaded anywhere?
No, audio extraction runs entirely in your browser.

Which video formats are supported?
mp4, mov, webm, mkv, and avi, up to 300MB.

What does the output quality depend on?
The original video's audio quality; the tool encodes the audio to MP3 at high quality without adding extra loss.

Can I extract audio from just part of the video?
Not currently — the whole video's audio track is extracted. You can trim the part you want first with Stelluna's Video Trimmer, then upload the result here.