YouTube to MP3 converter
Paste a public YouTube link and convert it to MP3 (or M4A, WAV, FLAC, and more) with a permanent download link and track metadata — using a free AgentBody account.
- A Real MP3 File, Not a Redirect
- Eight Audio Formats
- Bitrate Control Up To 320k
- Metadata Embedded In The File
- Works With Every YouTube Link Shape
- Simple Online Workflow
Input
Output
Run the tool to see the result here.
Features
This YouTube to MP3 converter turns one public YouTube video into a real audio file you can keep: the response contains a permanent download link plus normalized track metadata, not a temporary redirect.
A Real MP3 File, Not a Redirect
Many converters hand back a short-lived CDN link that expires or fails outside your browser. This YouTube to MP3 converter saves the actual audio file and returns a permanent download URL you can open from any device, any time — plus the title, channel, duration, and file size alongside it.
Eight Audio Formats
MP3 is the default for universal playback, but the converter also outputs M4A, WAV, AAC, FLAC, OPUS, Vorbis, and ALAC. Choose MP3 for an everyday youtube video to mp3 conversion, FLAC or WAV for editing and archival, or M4A for Apple devices — one format per conversion.
Bitrate Control Up To 320k
Pick the audio quality before converting: 320k, 256k, 192k, 128k, or 64k, an automatic default, or source to keep the original stream with no re-encode. Lossless formats ignore bitrate, and a specific bitrate never exceeds the source quality.
Metadata Embedded In The File
The converted file carries the track title, artist, and thumbnail as album art, so your music library shows a proper entry instead of an anonymous file. The response also returns the metadata separately, which makes mp3 music download libraries easy to organize.
Works With Every YouTube Link Shape
Paste a full watch URL, a youtu.be short link, a Shorts link, or an embed URL — the converter resolves them all. Only public videos can be converted; private and age-restricted content is rejected by the platform itself.
Simple Online Workflow
If you are looking for how to download mp3 from youtube without installing anything, the flow is three steps: copy the video link, paste it into the converter, and download your file. It runs in the browser on desktop and mobile alike.
How to use
Convert a public YouTube video to MP3 in a few minutes with this youtube to mp3 converter online.
Copy The YouTube Link
Open the video on YouTube and copy its URL from the address bar, or tap Share → Copy Link in the app. Watch pages, Shorts, youtu.be links, and embed URLs all work; the video must be public.
Sign In With A Free Account
Open the converter and sign in with a free AgentBody account. The account keeps your conversions tied to your own usage and gives you the same key for the API variant if you later automate downloads.
Paste The Link
Paste the YouTube URL into the input field. The converter validates the link before starting, so a malformed or non-YouTube URL is rejected immediately instead of wasting a conversion.
Choose Format And Bitrate
Leave the defaults for an MP3 at automatic quality, or pick another format (M4A, WAV, FLAC, AAC, OPUS, Vorbis, ALAC) and a bitrate up to 320k. Choose source to keep the original audio stream untouched.
Run The Conversion
Start the conversion and wait for it to finish — a typical song takes a couple of minutes because the file is fully downloaded and saved, not just linked. Very long videos beyond roughly 25 minutes are declined by the upstream cost guard.
Download Your MP3
Open the returned download link to save the audio file to your device. The link is permanent, so you can also copy it to another device — which answers how to download music to mp3 player: save the file, then transfer it like any other song.
Frequently asked questions
Is this YouTube to MP3 converter free?
The converter runs on your AgentBody account, which is free to create and includes starter credit. Each conversion draws a small, fixed amount from your balance — the exact price is shown on the API pricing page and never hidden in the flow. There is no separate subscription for the tool itself.
What audio formats and quality can I get?
MP3 is the default, and you can also choose M4A, WAV, AAC, FLAC, OPUS, Vorbis, or ALAC. Bitrate options run from 64k up to 320k, plus an automatic default and a source option that keeps the original stream with no re-encode. Lossless formats such as WAV, FLAC, and ALAC ignore the bitrate setting.
How to download MP3 from YouTube on my phone?
The converter works entirely in the browser, so the same flow applies on a phone: copy the link in the YouTube app with Share → Copy Link, paste it into the converter, convert, and open the download link to save the file. No app installation is needed on either desktop or mobile.
Why does the download link not expire?
The audio file is fully downloaded and stored, and the response points at that saved file rather than a temporary YouTube CDN address. That is what makes the link permanent: it works from any device and any network, and it is safe to keep in scripts, notes, or a media server.
Can I convert a whole playlist or very long videos?
No — each conversion handles exactly one video, and playlist URLs are not accepted. Videos longer than roughly 25 minutes are declined by an upstream cost guard that keeps every conversion at a predictable fixed price, so podcasts and long mixes should be split or converted with the API in separate calls.
Is it legal to convert YouTube videos to MP3?
Convert only publicly available content that you own, have permission to save, or have another lawful basis to download — such as your own uploads or public-domain material. Respect copyright law and YouTube's terms of service; the tool cannot access private, unlisted, or age-restricted videos at all.