As the subject showing, this article is to discuss about the free and useful MP4 to WebM video converters. Speaking of MP4, we all are familiar with it. However, how much do you know about WebM? What's WebM video? Why do we need to convert MP4 to WebM? You can get all the answers below:

Part 1. Descriptions About MP4 and WebM Video

As we all know, MP4 is a widely used video format which consists of video, audio, subtitles and images in a single file. It is a multimedia container which uses the H264 video codec. Unlike MP4, which is widely used and well known in daily life, WebM is a new media container format Google introduced. It is one of the video standard formats which supports HTML5. Based on video decoder line VP8 (9). Its main task is to replace the old standard MPEG-4. Here you may come out a confusion "Why we choose WebM to replace MP4?"

Part 2. Why Choose WebM to Replace MP4

Launched in 2010, WebM is an open source format designed to deliver video through the web. It can be used for a variety of types of video, from video calls to high definition movies. WebM is growing, and by using the HTML5 version of YouTube, it is possible to watch video encoded in WebM. This format is supported by all browsers and integrated into Adobe Flash technology. For all above advantages, WebM video is becoming more and more popular. Therefore, knowing how to convert MP4 to WebM is more and more important to us.

Part 3. How to Convert MP4 to WebM Video Easily

1. Free Video Converters on Windows/Mac

To convert MP4 to WebM video format freely, easily and quickly, a professional and easy-to-use video converter can do a big favor. Here I will strongly recommend such a video converter – VideoSolo Free Video Converter. With the help of this converter, just several simple steps and a few minutes, you can get a WebM video converted from MP4. If you have further demands on a large amount of MP4 videos to convert, this free video converter can also help on it. It supports converting batch video files to WebM freely without any video quality loss. With this converter, you can also edit video materials with provided template, add subtitles and so on. What’s more, this converter not only supports conversion from MP4 to WebM, it also supports converting from/to more than 300 formats.

Here I will show you the step-by-step guide to do the MP4-to-WebM conversion.

Step 1. Download and Install VideoSolo Free Video Converter

Download the install package from the official website and install it.

Step 2. Launch VideoSolo Free Video Converter and Add Files

Launch the VideoSolo Free Video Converter, click "Add Files" to select the videos you want to convert. Please note that you can select multiple files to process converting at the same time.

Add Files

Step 3. Select Output Video Format and Output Folder

Select an output format that you need, refer to the screenshot below,  we can see that there is the various format for you to select, you can also change the output folder path.

Choose Output Format

Step 4. Edit Video with Opening and Ending Title (Optional)

Choose one video file and open the editing panel by clicking the "Edit" icon. Now choose a theme you like from the different templates. Go to next step to edit the words with the title, author, time, etc. to identify your own video. Finally, you can preview your changes in the panel.

Edit Video With Template

Step 5. Start Converting Videos to WebM Video

Click "Convert" button to start converting process, you can also select actions like shutdown the computer after the converting completed.

Start Converting

By using this video converter you will find that it's easy and fast to convert MP4 to WebM video. Besides,  this converter provides the upgrade version – VideoSolo Video Converter Ultimate. The ultimate converter has 6X faster speed than the free version. It also provides the video conversion between 300+ video formats. More importantly, it integrates the video conversion and video editing features into one program,  so we can use the basic editing functions like clip, crop, rotate, watermark, etc.

2. Online Video Converters

If you don't feel like installing the desktop application to finish the MP4 to WebM conversion, you can try using some online video converters as well. It supports converting your MP4 files to WebM easily and free. But it does not allow you to edit files, also the converting speed and maximum size may be restricted. You can select either video converter application or online video converter based on your requirement. Here are some suggestions to use the online converter.

Convertio is one of the best online video converters that I want to recommend. More than 12,000 different types of conversions are supported by this converter. There is no need to download and install the application, just Internet is required. There is no need to wait for the conversion process, the completed video will be sent to you via Email. With several steps, you can get you MP4 videos converted.

Step 1. Access the Online MP4 to WebM Converter

Step 2. Select files from computer, Google Drive, Dropbox, URL or by dragging it on the page

Step 3. Choose WebM or any other format you need (more than 200 formats supported)

Step 4. Let the file convert and you can download your WEBM file right afterward


Zamzar is another free online converter I want to recommend to you. It's one of the most widely used online converters. Its user interface is simple and easy to use. With several steps, you can convert MP4 to WebM video freely and with high quality.

Step 1. Choose the MP4 file that you want to convert.

Step 2. Select AVI as the format you want to convert your MP4 file to.

Step 3. Tell Zamzar where you want to receive your converted AVI file.

Step 4. Click "Convert" to convert your MP4 file.


To summarize, instead of MP4, WebM will become more and more popular and being widely used through Internet. There are many ways allow us to convert MP4 to WebM videos, no matter application on PC or online converter. Knowing how to use these converters are useful and important.