How to Convert WebM to MP4 in Easy Steps

MP4 file converter

How to Convert WebM to MP4 in Easy Steps

Downloadable PC Video Converters

  • MediaHuman: MediaHuman is a great audio and video converter that works with Windows, macOS, and Linux. Use it to convert your WebM files to MP4, and you can even watch and convert ad-free YouTube content!
  • ByClick Downloader: ByClick Downloader is a free media converter that can convert a wide range of video and audio file formats, including WebM and MP4. Download this software for unlimited conversions using intuitive controls and output quality settings.
  • Uniconverter: Uniconverter is another software that can convert hundreds of file types, including your WebM and MP4 files. 

If you love streaming movies or sharing video content, you’re likely know about WebM and MP4 formats. Both are popular media file formats but have marked differences in how they handle offline. Because of compatibility issues, you may need to convert your WebM content to MP4 for easier viewing. You can play the more established MP4 file format on almost any device. Below we show you how to convert WebM to MP4 in easy steps on your PC and online. 

Method One: Convert WebM to MP4 Using an Online Video Converter

If you don’t want to download software, you can quickly and easily convert your WebM file using an online converter. Online converters repackage the video data of your WebM file in MP4 containers. You can use online converters with most browsers, operating systems, and devices (including smartphones). Here are the typical steps for using an online WebM to MP4 converter: 

Step 1: Go to www.cloudconvert.com on Your Web Browser

Not every converter handles WebM files, so check the file conversions on the site before continuing.

You can also do a simple Google search to see your other options for online file converters. Or try the converters we share below.

Step 2: Select Webm as the Input File Type

Select the video file type you want to convert, WebM, from the options available.

The best online file converters can convert hundreds of file types.

Step 3: Select MP4 as the Output File Type

You can convert files to different formats including, MP4.

Step 4: Click the Select File Button

You may have to wait a while for a large file to complete uploading before moving on to the next step.

Most online converter sites either have a drag-and-drop window or a Select File button for you to add the video file to be converted.

Step 5: Choose the Settings for the File Output

Settings options usually include resolution, aspect ratio and fit, and more technical options.

If the option is available, choose the settings for the output file.

Step 6: Once You Have Uploaded Your File, Click the Convert Button

File conversions usually take less than five minutes but will be longer if converting a large file. 

The “Convert” button starts converting your WebM video file into an MP4 file. Some free online converters do timeout if converting a video more than a few minutes long. If this happens, you’ll have to try the conversion process again or use a different site.

Step 7: Download Your Converted MP4 File

Once the conversion process ends, you can download the new MP4 site to a location of your choice. 

Check out this video for a guided walkthrough tutorial:

Free Online WebM to MP4 Converters

Be careful when using online file converters, as some unscrupulous websites can cause you to download malware or viruses. Here are some reliable WebM to MP4 websites for you to try:

  • Free Convert: Use this simple converter website to convert your WebM file for free with no registration necessary. Just drag and drop your WebM file, select from options like video screen size, aspect ratio, and frame rate, then hit the convert button. Your MP4 file will immediately download once the conversion completes. 
  • Cloud Convert: If you’re a bit of a techie, Cloud convert offers precision conversion between these two media file types with loads of settings for you to get your MP4 download just right. This website converts over 200 file types, so select the correct file formats in the drop-down menu at the top of the page. 
  • VEED.IO: This is another quick and simple website for WebM to MP4 conversion. Just upload WebM, hit convert, and download MP4.

Method 2: Use a Downloadable WebM to MP4 Converter

If you need to work with WebM files regularly, downloading conversion software to your computer may be worthwhile. Downloaded software often has more options for customizing the MP4 output and can usually handle multiple files. Here is how to download and use a WebM to MP4 converter on your PC:

Step 1: Download and Install the Webm to MP4 Converter

You can try any of the video converter software recommended below or search online for your own choice. Choose a video file converter compatible with your PC’s operating system. Download and use the setup wizard to install the converter.

Step 2: Click Run to Open the Converter

Most file converters automatically install a shortcut button on your desktop so you can access it quickly ongoing.

Step 3: Set the Converter to MP4 Output

Change the settings on the software you use to an MP4 output with the video quality you need

Other converters may also ask you select a destination for saving the converted file at this point.

Step 4: Select the Local File Conversion Option

Step 5. Open the Webm File You Want to Convert in the Converter Software

To convert a WebM file on your local disk, click the “Convert file from local drive” option in the main menu of the software.

Once you select and open your file in the converter, the conversion process usually starts automatically. Save the converted MP4 file to a location of your choice. You can then open and use your new MP4 file when ready. 

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Frequently Asked Questions

What is a WebM file?

WebM is an internet-ready open-source media file format that can be used for both video and audio. It is based on the Matroska container, an open-source container standard for multimedia. Video content is compressed with VP8 or VP9 video codecs, while Vorbis or Opus audio codecs are used to compress audio data.

WebM has become popular because it is free, and open-source, and its use of HTML, HTTP, and TCP makes it suitable for efficiently streaming video on the world wide web. The files are simply structured well compressed, and nimble so that servers can serve efficiently them and their low computational footprint facilitates high-quality playback on any device that has an HTML5-compatible browser.

What is an MP4 file?

MP4 or MPEG- 4 Part 14 is a multimedia file type developed by the Moving Picture Experts Group (MPEG). It is commonly used to download and stream files from the internet as it is highly compressed with smaller file sizes than comparable video formats. 

MP4 is based on the Quick Time .mov file type and was released in 2001. It is also ISO/IEC standardized. This digital multimedia container format can store audio and video content along with subtitles and still images. Its file extension is .mp4.

What are the differences between WebM vs MP4 files?

WebM and MP4 are both popular multimedia file formats but they have notable differences that may affect your experience with them. Here is a short summary of the main differences between WebM and MP4:

  1. MP4 has better video output quality
  2. WebM files tend to be smaller than equivalent MP4 files
  3. MP4 files are compatible with a wider range of devices including Windows and mac compared to WebM

Is WebM better than MP4?

WebM is a media file type that is specifically designed for streaming and internet use. The files are smaller and better compressed but it currently has limited device compatibility, while MP$ is compatible with almost all devices and has a much better quality video output. This makes MP4 the better file type for using and sharing video.

How do I open an WebM file?

Because of compatibility issues, opening a WebM file is not as easy as you’d expect. The best way to open and view a WebM file is to view it in an HTML5-capable browser. WebM can be viewed in Mozilla Firefox, Google Chrome, Opera, and Microsoft Internet Explorer. Here are the steps for viewing your file: 


  1. Open the web browser
  2. Select the WebM file you want to view by pressing Ctrl+O on Windows and Cmd+O on Mac and searching for your file. 
  3. Click on WebM to open it and view it in your browser.


Alternatively, if the browser does not work. You can download and install a WebM viewer for your operating system.

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