How to take the audio out of a video as an MP3
Use the MP4 to MP3 tool. Your video is processed in your browser and is never uploaded. The picture is not kept — only the audio becomes a file.
Contents
- Steps
- When this helps
- Frequently asked questions
- Limits
Takeaways
- The result is a real MP3 at 128 kb/s, not a renamed video file.
- A video with no audio track cannot produce an MP3 — the tool says so instead of faking one.
- After conversion, check the reported channels, sample rate and duration before sharing the file.
Steps
- Choose a video file that contains audio.
- Convert it. The tool first tries its video engine; if that engine cannot load, it falls back to decoding the audio in your browser.
- Check the reported result (channels, sample rate, duration) and download the MP3.
- Play the MP3 once before sharing it, to confirm it is the audio you wanted.
When this helps
Taking the sound from a recorded lesson, interview or clip to listen to on its own, or to feed into an audio editor — for example, a voice track from a screen recording.
Frequently asked questions
How do I extract audio from a video as an MP3?
Open the MP4 to MP3 tool, choose the video, and convert it. The tool produces a real MP3 file at 128 kb/s and the picture is not kept.
What if my video has no audio track?
No MP3 can be made from a video with no audio in it. The tool says so plainly instead of producing a silent file — use a video that actually contains sound.
Is the MP3 a real MP3 file?
Yes. The tool encodes a real MP3 at 128 kb/s and reports its channels, sample rate and duration after conversion.
Is my video uploaded when I convert it?
No. The video is processed in your browser and never uploaded to Tools99.
Limits
Only the audio is kept; the picture, subtitles and chapters are discarded. Some video codecs are not supported by a given browser — in that case the tool reports the failure instead of producing a broken file. Very long videos may be slow on low-memory devices.
Browse the Video and audio tools hub for the other media tools.
Try it — MP4 to MP3
Open the tool and take the audio out of a video in your browser, with no sign-up.