YouTube to MP3 Converter

Convert YouTube links to MP3 in a few simple steps and download your audio without signing up.

No signup | Ad-free | Fast conversion

Benefits of Using OnlyMP3

Fast, free MP3 conversion with helpful tools.

No registration

100% free and easy to use.

Videos up to 4 hours

Convert videos up to 4 hours long.

Works on every device

Use on mobile, tablet or desktop.

Save to Dropbox

Send converted files to Dropbox.

How OnlyMP3 Works

Paste a YouTube link, convert it to MP3, and download the audio in three simple steps.

1

Copy the link

Copy the URL of the YouTube video you want to convert.

2

Start conversion

Paste the link into the box and select Convert MP3.

3

Download MP3

Download the converted audio file to your device.

About OnlyMP3

OnlyMP3 is a free online YouTube to MP3 converter that makes audio downloads simple. Paste a video link, start the conversion, and save the MP3 file without creating an account or installing software.

It works on mobile and desktop browsers, supports long videos, and can save files to your device or Dropbox when available. Temporary files are removed automatically.

Learn more

Why choose OnlyMP3?

  • Unlimited conversions and always free
  • No account or personal information required
  • Works on all devices and browsers
  • High quality MP3 audio files
  • Fast, reliable and ad-free experience
  • Your files are safe and never stored

Powerful features

Helpful tools for faster and easier MP3 downloads.

No Signup Required

Use OnlyMP3 instantly without creating an account.

Fast Conversion

Convert videos quickly with a simple browser-based tool.

All Devices

Compatible with Windows, macOS, Android, iOS and more.

Dropbox Support

Save MP3 files directly to Dropbox with one click.

Automatic Fetching

OnlyMP3 automatically prepares audio from the link.

Safe and Secure

Files are temporary and your experience stays private.

Frequently asked questions

Answers about YouTube to MP3 conversion, downloads, mobile use, and Dropbox.

Yes. OnlyMP3 is free to use and does not require registration.

Yes. OnlyMP3 works in mobile browsers on phones and tablets, so you can convert and download MP3 files without installing an app.

No. The YouTube to MP3 converter works online in your browser and does not require a desktop program or browser extension.

Paste the YouTube video link into the converter, select Convert MP3, wait for processing to finish, and then download the MP3 file.

Yes. After your MP3 is ready, you can use the Save to Dropbox option to upload the file to your Dropbox account. You may need to authorize Dropbox before the upload starts.

The mz shortcut helps you open OnlyMP3 faster. Add mz after youtube in a video URL to quickly access MP3 conversion.