Top MP4 to MP3 Converters 2021 (Desktop, Online, Mobile)

Converting a video MP4 file into MP3 is a great way to get your favorite YouTube video clips in audio format. It saves the storage space on your device and allows more options for listening to your favorite songs and using audio files on the whole. The easiest and fastest way to convert a YouTube video to MP3 is to use an MP4 to MP3 converter. Find out about the top MP3 to MP4 converters 2021 compatible with PC and mobile devices below.

Things to Consider When Choosing an MP4 to MP3 Converter

An MP4 to MP3 converter should meet certain requirements to satisfy your needs. Here’s what to pay attention to when choosing a YouTube MP4 to MP3 converter:

  • The cost of services. It would be perfect to use a free MP4 to MP3 converter.
  • Online converters are preferred over downloadable software.
  • A YouTube MP4 to MP3 converter should be compatible with mobile devices.
  • The speed of video conversion and download.
  • The maximum length of the video to convert.
  • Per-day limits, if any.

Below, you’ll find the three top MP4 to MP3 online converters to use on desktop and mobile devices.


This MP4 to MP3 converter is one of the most popular online. It allows converting YouTube MP4 to MP3 online. The files can be converted directly from Google Drive and cloud storage too. The service offers online MP4 to MP3 converter free, yet the size and the number of the files to convert daily is limited. To take them off, paid premium membership is required. It works on Windows and Android devices.

YTMP3 Online Converter

Another YouTube MP4 to Mp3 converter worth your attention is YTMP3. It is a free MP4 to MP3 converter, which requires no download to be used. It allows converting videos up to 90 minutes in length. This MP4 to MP3 converter can be used on the desktop as well as on smartphones and tablets. The speed of video conversion and download is high, so you won’t wait long until you get the needed file to your PC. 

YTSMP3 MP4 to MP3 Converter

YTSMP3 is the best MP4 to Mp3 converter for those who cherish their time and money. It is totally free to use while no limits on the size and number of file conversions and downloads. It has a simple user interface so even the novices won’t have trouble navigating the website. Here’s what you should do to convert and download a file using

  1. Visit the YouTube website to copy the URL of the video you’d like to convert.
  1. Go to the YTSMP3 online MP4 to MP3 converter homepage and paste the URL of the video to a special line. The conversion will start automatically.
  1. As soon as the online MP4 to MP3 converter will finish the conversion process, you’ll be offered either to download an MP3 file or convert the next file. Click the Download button to get the file to your PC, smartphone, or tablet.


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