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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7 WEBM to MP4 App | Convert WEBM to MP4 for Free

Jane Zhou updated on Oct 14, 2021 to Video Converter Tips

WebM is a relatively new file format that can play both audio and video but is highly compressed. It offers better quality as it uses VP8 to compress, and publishing platforms mostly use it to improve user experience. 

However, there still are some limitations of WebM files. The biggest one is that it is not supported on all operating systems, so you may fail to play it on your computer or mobile devices. If you want to play it successfully on your devices, you can convert WebM to MP4, as MP4 is commonly used and supported by almost all video players. Given that, a WebM to MP4 converter is the need of the hour.

This post will share with you the 7 best WebM to MP4 converter app and how you step-by-step tutorials on how to convert WebM to MP4 on Windows 10, Mac, mobile phone, and even online easily.

How to Convert WebM to MP4 on Windows 10 Free

When it comes to converting WebM to MP4 on Windows, you can try two excellent video converters: EaseUS Video Converter, and the other one is EaseUS Video Editor.

EaseUS Video Converter

This is an easy yet powerful media converter to help you change video or audio file formats in a snap without losing any quality, and almost any video and audio format is supported here. So it is not difficult to complete this task with this program while speaking of WebM to MP4 conversion. All you need to do is to import your target WebM file, choose the output format, and start your conversion immediately. Then you will get an MP4 video file in minutes.

Also, if needed, this video converter enables you to change the audio encoding, resolution, FPS, etc., for your converted file.  

Key features:

  • Import and export lots of video and audio formats, like MP4, AVI, WebM, FLAC, etc.
  • Support converting HD, 2K, 4K, and even 8K videos
  • Quickly convert video to audio, including MP3, AAC, OGG, and more
  • Provide up to 30X faster conversion speed
  • Merge converted files into a single one for sharing

Step 1. Launch EaseUS Video Converter on your PC, and choose the "Video Converter." Click on the "Choose Files" button to import the video you want to convert. It also allows you to drag and drop the video to import it.

import video

Step 2. Click on the "Settings" option to select the target format. You can choose MP4 as the output format and adjust the resolution and bitrate properly.

select mp4

Step 3. Customize the folder to save the MP4 video after conversion. Two buttons are available to converter the file. The "Convert" button can help you convert one video, while the "Convert All" button can process a batch of videos. 

convert video to mp4

Step 4. In the "Finished" tab, you can find the converted MP4 video. If you want to preview it, click on the "Open" button to activate the built-in media player.

save video as mp4

EaseUS Video Editor

EaseUS Video Editor is a versatile Windows WebM to MP4 converter that comes with powerful video editing features. Not only can it convert WebM to MP4 on Windows 10 with ease, but it also can do various format conversions in seconds as it supports almost all common video formats.

Apart from that, it is also an extremely easy-to-use video editor. Using it, you create cinematic videos with plentiful effects. And you also can modify your video clips by splitting, cutting, merging, rotating, etc., without effort.

EaseUS Video Editor

Easy & smart video editing software for beginners

  • Easy and straightforward to use software
  • Cut, rotate, speed/slow down, zoom, mix audio, and add filter to video
  • A non-linear timeline allows you to overlay video with transition effects
  • 300+ visual effects and transitions, which includes Text, Filter, etc.

Trusted by TechRadar, Fstopper, etc.

Now download this WebM to MP4 converter for Windows and follow the below steps to convert WebM to MP4 in Windows 10.

Step 1. Import the source file

Launch EaseUS Video Editor. On the home screen, you can import the source file by either clicking the "Import" option or simply dragging the video to the appropriate area.

import file

Step 2. Add to project

You need to add the imported file to the track by choosing the "Add to Project" option, or you can drag and place the file to the track as you want.

add to project

Step 3. Export the source file

Now you can click "Export" on the main menu on the top.


Step 4. Save as MP4

Under the "Video" tab, choose MP4 as the desired video file format.

add to project

On the right pane, you can edit the file name, customize an output folder and settings, and then click "Export".

add to project

How to Convert WebM to MP4 with VLC on Mac

Like Windows, macOS does not support WebM files, and you cannot open them on your Mac computer. It is a format to speed up video for the web, but since you want to save it as an MP4 file, there is an alternate way to convert it. The VLC Media player is a well-known versatile player who can also play WebM files on Mac and Windows, but then everyone will install it. Instead, we can use the VLC player to convert it. The steps are comfortable and don't take much time.

Step by step to convert WebM to MP4 on Mac:

Step 1. Firstly, download the WebM file on your Mac. Secondly, install the VLC player if you have not done so.

Step 2. Click on the File menu, and then select the Convert/Stream option. It will open the converter, which offers three sections—media selector, output profile, and destination.

Choose conversion feature in VLC

Step 3. Drag and drop the WebM file, make sure to choose the MP4 profile, and then set the location to save the file. Click on the go button to convert the file.

Select MP4 as the output format

The file is saved in M4V format, which is Apple's format and comes from MP4. Rename the file from M4V to MP4, and it will still play fine on any platform. Use QuickTime Player or any other player without a problem to play MP4 files.

Best 4 WebM to MP4 Converter App 

Apart from converting WebM to MP4 on Windows and Mac, you also can change WebM to MP4 online or on your mobile devices. Here we will show you four WebM to MP4 converters to help you complete the task quickly.

1. The Video Convertor - Convert WebM to MP4 on iPhone

iPhone users can use the "The Video Convertor" app from iTunes to convert WebM to MP4. The app uses its online service, where the file is uploaded and then downloaded in an MP4 format. The only thing you need to make sure of is that the WebM file is on your iPhone.

Key features:

  • Supports almost all video files including WAV, MPEG, or WebM for input and output
  • Conversion happens on a secure cloud server and deleted once you download them
  • Allows to share to other apps, which can be a player or messenger apps

how to convert webm to mp4 on iPhone

How to convert WebM to MP4 on iPhone:

Step 1. Open the app and select the WebM file into the file selector. Then choose MP4 as the output format. 

Step 2. Tap on the convert button, and the file will be uploaded to the server and converted. It usually takes a few seconds for the conversion. However, it will also depend on file size and network speed.

Step 3. Once the conversion is complete, you will have the option to open in any video player or share it over other apps such as WhatsApp, Facebook, Messenger, and so on.

2. Format Factory - Convert WebM to MP4 on Android

Format Factory is an excellent WebM to MP4 converter app to convert any video format to any other Android Smartphone. It can convert files at speed and allows you to perform partial editing. You can also perform basic editing before converting the files.

Key features:

  • Faster processing of WebM files
  • Supports various resolutions
  • Allows you to trim crop and add subtitles to the videos
  • Option to mute audio if there is too much background noise in the video
  • Keeps track of all converted files in one place, making it easy to find it

convert webm to mp4 android

Detailed steps on how to convert WebM to MP4 on Android:

Step 1. Download the WebM file on the phone and then open the app. Tap on the plus icon and add the file from the phone's internal storage.

Step 2. Then tap on the convert icon to open the conversion settings. Make sure to select MP4 as the format and then the resolution.

Step 3. Then tap on convert to start the process. The software will convert the video and save it on the phone storage. You can access them from under the "My Files section".

3. Online Converter - Turn WebM into MP4 Online for Free

If you do not want to use a WebM to MP4 converter app or software, then the only option is to use a free online WebM to MP4 converter. The online tools upload the files on their servers and use the codec to convert them to MP4 format. Here is using the Online Converter to get this done. The processing takes time, as it will have to upload the file to its server. The conversion speed will also depend on file size and internet speed.

Key features:

  • File source can be an online source such as a direct URL or Dropbox or Google Drive
  • Choose a pre-set or resolution, video setting, and audio setting
  • The tool also offers a sample WebM file to test the conversion

convert webm to mp4 online

How to convert WebM to MP4 online for free:

Step 1. Open the online tool, and then upload or add the URL of the file

Step 2. Setup or resolution, video setting, and audio setting

Step 3. Click on the convert button, and it will instantly start converting the file. Once the conversion is complete, you can download the file or upload it to any cloud storage.

4. Cloudconvert - Do WebM to MP4 Conversion Online

Another WebM to MP4 converter app is Cloudconvert. It is also an online tool to make MP4 from WebM files. In addition to the basic conversion features, it enables you to use the options supported to control video resolution, quality, and file size.

Key features:

  • Import video file from the computer, Google Drive, Dropbox, OneDrive freely
  • Offer basic video editing tools like trimming
  • Allow you to change the resolution, Fps, and others

How to convert WEBM to MP4 online

How to change WebM to MP4 online:

Step 1. Move to the Cloudconvert main page and click "Select File" to upload your video.

Step 2. Choose the output format, then click on the "Convert" option.

Step 3. Once the WebM to MP4 conversion is done, click the download button to save it on your computer.


Now that we have seen all kinds of tools like software, apps, and online WebM to MP4 converter, we know that all of them work. Now here is the thing. If you are looking for software that works for almost everything regarding videos, then EaseUS Video Converter should be the best choice. It can convert video files between multiple formats, and allows you to convert media files to optimized preset for almost all devices.

FAQs About Converting WebM to MP4

1. How do I convert WebM to MP4?

Convert WebM to MP4 is extremely easy only if you have a powerful WebM to MP4 converter. You can try EaseUS Video Editor to do the task.

2. How do I open a WebM file on a Mac?

If you want to play WebM files on Mac, you can do it through VLC Media Player, which supports WebM files.

3. Is WebM better than MP4?

Actually, both WebM and MP4 have their own advantages.

As for size, WebM is better than MP4. WebM's audio and video are highly compressed. It tends to be a bit smaller than MP4 files.

When it comes to the number of devices and programs that support WebM and MP4, MP4 is much better than WebM as it is commonly used on plenty of smartphones, whereas WebM is only supported by Android.

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