YouTube to MP3 Downloader
Free Download YouTube Video & Audio to MP4 & MP3 Online

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U2B YouTube Downloader
or YouTube Downloader App

0 songs in the playlist.

Want To batch download the whole playlist? Free try Pro YouTube downloader >

What are the different file types?


  • MP4(recommended)

    Supported by virtually all players and devices. Perfect for people who want to enjoy high quality videos.

  • 3GP

    Compatible with almost all mobile devices in relative low definition. Good for the phone with limited storage.

  • WEBM

    Generally used for Internet video streaming in browsers, with high quality but the file size is smaller than MP4.

  • # Video without audio

    We grab some MP4 and WebM files without audio in case you need to use them for video-only purpose. The Videos that under this category is based on an adaptive bitrate streaming technique called DASH (Dynamic Adaptive Streaming over HTTP).


  • MP3(recommended)

    MP3 is the most well-supported audio format, which compatible with almost all the devices and software.

  • M4A

    Compressed with better audio quality in a smaller size than MP3 file, mainly applied to Apple devices.

  • WEBM

    Encoded as Vorbis or Opus, WebM can also be used for audio-only purposes in browsers.

Get It

Welcome to U2B YouTube Downloader!

U2B is a rising star in Free YouTube Downloader. U2B YouTube to MP3 Downloader makes it easy to free download videos and audios from YouTube.

Please refer to key features of U2B to learn more about how to download YouTube MP4 videos and MP3 audios.

How to Download YouTube to MP3?

The most important feature of U2B Free YouTube to MP3 Downloader is to free download audio from YouTube to mp3 files.

You can quickly browse the following instructions to download YouTube MP3:

  1. 1: Search by keywords or paste a YouTube video link (URL) in the search bar of U2B.

  2. 2: Click on the “Download” button and select MP3 to download YouTube audio.

How to Download Videos from YouTube?

As YouTube video downloader online, U2B provides online service to download MP4 HD videos from YouTube.

With U2B, you can easily download videos from YouTube. You can download a single video or download all videos from a YouTube playlist, or from your favorite YouTube channels.

U2B supports to download YouTube videos to different file formats. Besides MP4, WAV, WebM, 3GP, and more video formats can be downloaded from YouTube by U2B. Moreover, you can download YouTube videos without sound. It means you can download only the video (without audio) from YouTube, and remove audio from video at the same time.

YouTube to MP4 1080p

YouTube Video Downloader Online

As an online YouTube video downloader, U2B is free, clean, and safe.

With U2B YouTube Downloader, you can easily download YouTube videos to MP3 online without install any software.

Learn more about it as follows.

YouTube Video Downloader Free Download for Android, PC, Mac

Which is the best YouTube downloader?

U2B YouTube Downloader Pro is the best YouTube video downloader app to free download videos on Android, PC, and Mac.

Compared with online YouTube downloader, a YouTube Downloader app has much more features to make you download YouTube videos and audios much smoother.

Discover more bellow:

Free download U2B YouTube Downloader app now! Make it easy and safe to download YouTube to MP3.

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Copyright Notice

U2B respects the intellectual property rights of others. You can use the website for personal use only. You may not infringe the copyright, trademark or other proprietary informational rights of any party. We may in our sole discretion remove any content we have reason to believe violates any of the intellectual property rights of others and may terminate your use of the online service if you submit any such content.

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Last updated: Jan 29, 2024