To convert a YouTube video to MP3: copy the video link, paste it into the box below, and download the audio as an MP3 file. It’s free, works on phone and desktop, and needs no app or login.
Converting a YouTube video to MP3 means throwing away the picture and keeping the sound. That is the whole operation — but what happens to the audio on the way through decides whether the result is worth keeping.
This guide covers what conversion actually does to quality, why bitrate promises are mostly marketing, and when converting is the wrong tool for the job.
A YouTube video is not one file. It is a video stream and an audio stream, stored separately and stitched together by the player as you watch. Conversion is simpler than most people assume: the audio stream is taken on its own, the video stream is ignored entirely, and the audio is encoded to MP3.
Because the audio already exists as its own stream, nothing has to be "extracted" from the picture. The Audio Downloader asks for the best available audio stream directly and encodes that.
This matters for quality. Downloading the full video and converting it in a separate program compresses the audio twice — once when YouTube encoded it, once when your converter re-encoded it. Going straight from the audio stream to MP3 compresses it once.
Converters advertise high bitrates as though the number were a quality setting. It is not. Bitrate is a ceiling on how much data the file may use — it cannot invent detail that was not in the source.
YouTube encodes uploaded audio at its own bitrate, well below the maximums MP3 allows. Converting that stream to a higher bitrate produces a bigger file containing exactly the same sound. You get a 10MB file where a 4MB one would have been indistinguishable.
The only bitrate that matters is the source's, and you do not control it. This is why the tool does not offer a bitrate menu — the honest options are one, and offering more would imply a choice that changes nothing.
For music you actually listen to. YouTube audio is a compressed copy of a compressed copy. If a track matters to you, a streaming service or a purchase gives you a materially better file. Conversion is for things not available any other way.
For anything over 30 minutes. Media longer than that is rejected before conversion starts. Full podcast episodes, long lectures and album-length uploads all hit this.
For content you plan to republish. Extracting someone's audio and reposting it is a copyright problem regardless of the tool used. Personal offline listening is a different situation from distribution.
1. Copy the video URL — from the address bar, or the Share button in the mobile app.
2. Open the Audio Downloader and paste it. Any YouTube URL shape works: watch?v=, youtu.be/, or a Shorts link.
3. Press Download and wait for the link to resolve. If YouTube has not responded in 20 seconds the request is dropped — paste again rather than waiting.
4. Save the file. It arrives as download.mp3, so rename it before converting another or you will end up with a folder of identical names.
On iPhone, Safari saves into the Files app rather than your music library. Open Files, find it under Downloads, and move it wherever your player expects.
The MP3 arrives without ID3 tags, so your player will file it as Unknown Artist. This is deliberate.
The metadata attached to a YouTube video is a page title and a channel name. As track metadata those are usually wrong — a title like "Official Video HD 2024" is not a song name, and a channel is not an artist. Writing them in automatically makes a music library worse, not better.
If you are collecting more than a couple of files, tagging them properly is worth the few minutes. The guide to building a music library covers how to do that without it becoming a chore.
Whatever the source stream carries. The tool selects the best available audio and encodes it once. Forcing a higher number would only produce a larger file with identical sound.
It depends on the content and where you are. Converting something you own or that is licensed for reuse is different from converting a commercial track. You are responsible for what you convert.
No. One link at a time, by design — bulk requests are what get tools like this blocked at the source.
Anything over 30 minutes is rejected before conversion begins. That is a cost limit, and full podcasts and albums are what usually hit it.
Yes. A Shorts URL carries a normal video ID and is handled the same way.
YouTube audio is already a compressed copy. Conversion cannot add back detail that was discarded on upload — no tool can.