EaseUS Video Editor

Versatile video editing software to turn clips or footage into marvelous videos.

  • Make videos easily via basic and advanced video editing features
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  • Selectively convert a video to MP3, GIF, MP4, AVI, WMV, MKV, MOV...
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6 WEBM to MP4 App | Convert WEBM to MP4 for Free

Jane Zhou updated on Mar 22, 2021 to Video Editing Tips | How-to Articles

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 it mostly used by publishing platforms 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 video player. Given that, a WEBM to MP4 converter is the need of hour.

This post will share with you 5 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

EaseUS Video Editor is a versatile Windows WEBM to MP4 converter that comes with powerful video editing features. Not only can it can convert WEBM to MP4 on Windows 10 with ease, but also can do various format conversion 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 plentful effects. And you also can modify your video clips by splitting, cutting, merging, rotating, etc. without effort.

Stunning features:

  • 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, Overlays, Transitions, Elements, and Music
  • Color correction software for videos and images

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 it 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 have to 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 as 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 converter 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 as an MP4 format. The only thing you need to make sure 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 on an 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 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 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 their 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 choose to 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 featurs, it enables you to use the options supported to control video resolution, quality, and file size.

Key features:

  • Import video file from 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 done, click the download button to save it on your computer.


Now that we have seen all kinds of a tool 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 a software which works for almost everything when it comes to videos, then EaseUS Video Editor should be the best choice. It offers tons of effects, supports various formats, and can convert video files between multiple formats. It also offers social sharing, especially directly uploading to YouTube, Facebook, and more.

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 commonly used on plenty of smartphones whereas WEBM is only supported by Android.

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