How to Convert MP4 Videos to WebM

A person learning how to Convert MP4 Videos to WebM

Video content is king, with online platforms like websites, blogs, and social media channels relying heavily on engaging videos to capture audience attention. However, optimizing video content for the web involves more than just creating captivating visuals—it also requires choosing the right file format. One popular format for online videos is WebM, known for its smaller file sizes and excellent compatibility with modern web browsers. In this guide, we’ll explore how to convert MP4 videos to WebM format, enabling you to enhance your online content and provide viewers with a seamless viewing experience!

Understanding MP4 and WebM Formats

Before diving into the conversion process, here’s some additional information about MP4 and WebM formats:

MP4 (MPEG-4 Part 14)

  • MP4 is a container format used for storing audio, video, subtitles, and still images.
  • It was developed by the Moving Picture Experts Group (MPEG) and is based on the QuickTime file format.
  • MP4 files use the .mp4 extension and are compatible with a wide range of devices and platforms, including smartphones, tablets, computers, and gaming consoles.
  • The format supports high-quality compression, making it suitable for streaming and sharing videos online.
  • MP4 files can contain various types of video codecs, including H.264, H.265 (HEVC), and MPEG-4 Visual.


  • WebM is a royalty-free video format developed by Google for use on the web.
  • It was designed to provide high-quality video compression with minimal loss of quality.
  • WebM files use the .webm extension and are commonly used for HTML5 video streaming.
  • The format is based on the open-source VP8 video codec, which offers efficient compression and is well-suited for web-based applications.
  • WebM also supports advanced features like transparency (with VP9 codec) and high dynamic range (HDR) video, making it a versatile option for multimedia content on the web.

Overall, both MP4 and WebM formats have their strengths and are widely used for various purposes, with MP4 being more versatile and WebM being optimized for web-based applications.

Why Convert MP4 Videos to WebM?

While MP4 is a versatile format, converting videos to WebM offers several advantages, particularly for online content creators:

Smaller File Sizes: WebM files are generally smaller than MP4 files, resulting in faster loading times and reduced bandwidth consumption.

Improved Compatibility: WebM is supported by most modern web browsers, ensuring seamless playback across different platforms and devices.

Enhanced Performance: Converting MP4 videos to WebM can optimize performance on websites and improve the overall user experience.

Now that we understand the benefits of converting MP4 videos to WebM, let’s explore how to do it!

How to Convert MP4 Videos to WebM Online?

Converting MP4 to WebM format is a simple process that can be done using Online Convert’s Video Converter.

How to Convert MP4 Videos to WebM - Online Convert
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Follow these steps to convert your MP4 videos to WebM format quickly and easily:

Step 1: Navigate to

Go to and select the MP4 to WebM video converter.

Step 2: Upload Your MP4 Video File.

You can upload your MP4 file by clicking “Choose File” or dragging and dropping it. Alternatively, you can upload from the Internet (“Enter URL”) or cloud storage services like Google Drive or Dropbox.

Step 3: Customize Optional Setting.

If you want to customize additional settings such as size, video bitrate, or frame rate, you can do so in the “Optional settings” section. Otherwise, you can skip this step.

Step 4: Start the Conversion Process.

After uploading your MP4 video file and making any desired adjustments, click the “Start” button to begin the conversion process.

Step 5: Download Your Converted WebM File.

Once the conversion is complete, download the file to your computer or cloud storage.

In Conclusion: MP4 to WebM

As you can see, with the right online tool, converting MP4 videos to WebM format is a quick and easy process. Whether you’re looking to optimize your online content for faster loading times or improve compatibility with web browsers, converting your MP4 videos to WebM can help you achieve your goals.

With Online-Convert‘s user-friendly interface and customizable settings, convert your videos with ease and enhance your online presence today!