EaseUS Video Converter

A 4K video converter to convert video or audio files to 1000+ formats at 30X faster speed.

  • Convert video to MP4, AVI, MOV, MKV, MPG, and other 500+ formats
  • Convert audio to desired formats, like MP3, M4A, MAV, M4R, AIFF, etc.
  • Extract audio from video or convert audio to a wide range of video formats
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Windows 11/10/8/7
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macOS 10.13 or later

Top 8 YouTube to WebM Converters You Can't Miss in 2023

Sofia Albert updated on Mar 15, 2023 | Home > Video Converter Tips

In your leisure time, perhaps you love to watch many kinds of videos on YouTube. That is a good choice if your computer or mobile phone is well connected to the Internet. But there are always times you cannot access the Internet due to different reasons. In those situations, that seems impossible to watch YouTube videos. 

Don't worry. Converting YouTube videos into another format can be a good solution to that problem. Which one is the best output format for the conversion? Actually, WebM can be the best choice for those who need lightweight video files. This open-source format that contains audiovisual data is designed to be played on the web smoothly, and one of its characteristics is lower computational demands. 

If you want to make a WebM video from a YouTube video, the converters in this post can be useful. Keep reading to pick up the best YouTube to WebM converter for your own.

1. EaseUS Video Converter

With 30X faster converting speed, EaseUS Video Converter can help you get a WebM file from YouTube videos. Also, it's very efficient when having more than one YouTube video. You are allowed to convert batch files at the same time. 

Besides dealing with your YouTube videos, you can easily convert MOV, MKV, FLV, AVI, MPG, MPEG, and other videos to WebM. At the same time, it's optional to extract the target audio from your video and save it in the desired format. 

Main Features:

  • Batch converting function to deal with many files
  • Merge several media files into one single file
  • Extract the target audio from the selected video
  • Freely play the audio track as you like
  • High-speed converting ability to save your time

Download this tool now and start your conversion!

  Free Download
Windows 11/10/8/7
  Free Download
macOS 10.13 or later

2. CoConverter

This is a powerful online tool that helps you make a Webm from YouTube. It supports both converting a single video or a whole playlist to 10 types of audio or video formats. If you set an audio format, such as MP3, M4A, FLAC, etc., as the output format, this tool will help you extract the sound from the video so that you can use it as a ringtone or background music. Of course, it can also work as a great YouTube to WebM converter and enables you to download the video clips you like to your devices freely.

There is something you should pay attention to, that is, this online converter can only process up to 20 YouTube videos at a time. Before converting a YouTube playlist, it allows you to select videos ranging from 1-20 as the source videos.

convert youtube to webm with coconverter


  • The conversion speed is fast
  • The video quality is optional
  • Download WebM videos up to 8K


  • Not support converting more than 20 videos simultaneously

3. Loader.to

This is a really easy-to-use online tool that helps you make Webm from YouTube with only a few steps. You don't need to waste time signing up for an account, this tool requires no logging in, and all you need to do is pasting the YouTube URL into the input box, selecting a suitable target format, and clicking on the "Download" button. You can play the downloaded audio files on various devices, including PC, mobile phones, or iPods.

More than YouTube, Loader.to also supports converting videos on other mainstream videos/audio hosting platforms into the formats you like, such as Vimeo, SoundCloud, Twitch, and TikTok.

youtube to webm with loader to


  • Support many famous platforms
  • Compatible with nearly all the browsers
  • Suitable for various modern devices


  • Downloading speed is relatively slow

4. X2Convert

This is one of the most user-friendly YouTube to WebM converters you can find online, and even beginners can know how to use it. This online offers you a detailed tutorial, and you can follow the steps to YouTube video to WebM.

This tool offers you a handy Chrome extension. Once you downloaded and installed this extension on your Chrome browser, there will be buttons under the YouTube videos when you are watching them. This makes it extremely convenient to save YouTube videos you like to your PC. 

x2convert youtube to webm


  • Extract audio from YouTube videos
  • Work well on phones
  • No need for installation and registration


  • Support downloading WebM videos at most 4K

5. YouTubNow

This is a powerful online tool that helps you turn YouTube videos into WebM. For many people, its most attractive feature is the high video quality. This online tool supports converting YouTube videos to MP4, 3GP, and WebM videos to reach 4K. Besides that, you can only extract audio files from YouTube videos by converting the video into MP3 format. That would save a lot of storage space on your devices. 

You only need to modify the YouTube URL according to its requirement and paste the new URL into the input box, then press the Enter key on your keyboard to start the conversion. This online tool even offers you a built-in search engine that helps you find videos you like and download them directly.

online tool youtubnow


  • No need for registration
  • Compatible with all mainstream browsers
  • High video quality (720P to 4K)


  • You have to upgrade to the Pro version for batch conversion

6. Online YouTube to WebM Downloader

This is an online converter that allows you to download WebM videos from YouTube. The user interface is clear and concise so that everyone can utilize this tool without any hassle. Besides YouTube, this tool also supports downloading videos from other platforms, like Vimeo, Facebook, or 200+ other video hosting websites. 

More than merely WebM format, you can also set other video formats for the output file, including AVI, 3GP, MOV, etc. The optional video qualities are 720P, 1080P, 4K, and you can select one from them to fit your demands.

youtube to webm online converter


  • Interface is user-friendly
  • Support many audio/video formats
  • Support converting video from 200+ websites


  • Lack of batch conversion


This is also a fast and easy online YouTube WebM converter that is appropriate for everyone. It will not ask you to create a new account or download it on your PC. Pasting URL into the input box and clicking on the "Convert It!" button is all you should do to make a WebM from YouTube. 

If you want to get a high-quality WebM video, this online converter is helpful as it allows you to get WebM videos in 1080P. Moreover, you won't put up with the annoying advertisements. If you have some problems converting the files, don't worry, this online tool gets updated regularly to deal with bugs and improve its performance.

youtube to webm YTBTO


  • No need for installation
  • No ads
  • Updated frequently


  • Mistakes will occasionally happen

8. EaseUS MobiMover

This is a unique converting program that is different from those above. EaseUS MobiMover is powerful desktop software that offers you many tools to convert YouTube videos. You can directly paste the YouTube URL into the "Video Downloader" section and click on the "Download" button to save the YouTube videos you like. However, MP4 is the only output video format you can choose. To get a WebM video, an MP4 to WebM converter is necessary.

mobimover youtube to webm


  • Transfer audio or video files to mobile phones
  • Support converting videos to MP3 format
  • Support many mainstream platforms


  • Cannot converting YouTube videos to WebM directly


All those tools mentioned above are powerful converters you can choose. Some of them can convert YouTube to WebM directly, while others only allow users to convert YouTube videos to MP4 or other formats, and you have to get the WebM file by converting the MP4 file again.

Each of those seven tools has its own impressive features, and you can select from them freely. Amony them, try EaseUS Video Converter!

  Free Download
Windows 11/10/8/7
  Free Download
macOS 10.13 or later

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