YouTube to MP3 & MP4

Convert and download YouTube to MP3 or videos as MP4 for free in 2021

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Download videos and MP3 even faster by adding "321" after "youtube" in the URL while on a video page on YouTube.

Add 321 to the YouTube URL
YouTube321

With YouTube321 you can download and convert videos from YouTube, Dailymotion, SoundCloud, Facebook, Youku, and more as MP4 files of MP3, in HD quality. YouTube321 can download all types of format formats including 3GP, WEBM, M4V, MP4, MP3, WMV, FLV, MO, and more! Download thousands of videos for free from YouTube and other websites.

Questions?

Is any software installation or registration required?

No software, or registration is required. Simply search videos or enter the URL for the YouTube video you'd like to download.

Which mobile devices like iPhone or iPad (iOS) or Android devices are compatible?

All mobile devices, tablets and desktop computers are supported.

Where can I find the downloaded files?

Files are downloaded into your downloads folder, and can be found in your download history.

How many files, videos or MP3 can I download? Is there a limit?

YouTube321 offers unlimited conversion and downloads for free.

Which types of files or formats are compatible and offered?

With YouTube321 you can download in any format you need, like MP3, 3GP, MP4, and more.

Is any software or registration required?

No software, or registration is required. Simply search videos or enter the URL for the YouTube video you'd like to download.