How to Convert WebM to MP4 & Vice Versa With the Top Converting Tools

Laura Goodwin Jun 06, 2024 Convert Video

We cannot deny the need to convert multimedia files seamlessly. It has become increasingly prevalent in this evolving landscape of digital creation. One such common transformation is the conversion between WebM and MP4 formats, two widely used video file types. WebM and MP4 represent popular choices with distinct advantages, wherein WebM is known for its open-source nature and high-quality compression. Meanwhile, MP4 boasts widespread compatibility across devices and platforms. Therefore, to understand the significance of this WebM to MP4 or vice versa conversion, we gathered the best online and offline tools to provide you with the most efficient solutions for your needs.

Convert WebM MP4


Part 1. WebM vs MP4: Comparison

Let’s dig in more to identify these two different multimedia formats. Let’s start with WebM, an open and royalty-free multimedia format designed for the efficient delivery of video and audio content over the web. The WebM Project developed this video format, is sponsored by Google, and supports a wide range of web browsers and applications. It is why WebM format is specifically optimized for web usage, offering good compression and high-quality video playback.

MP4, on the other hand, is a widely used or universal digital multimedia container format. It is designed to store audio, video, subtitles, and still images in a single file. MP4 is a versatile format known for its efficiency in compressing multimedia data while maintaining relatively high quality. Moreover, it has become the standard container for a variety of applications, including streaming, broadcasting, and sharing multimedia content on the internet.

Comparison Chart

The comparison chart below is an important factor in seeing the importance of the conversion of MP4 to WebM or vice versa.

Feature WebM MP4
Open Source Yes No
File Size Smaller file size compared to MP4. Slightly larger file size compared to WebM.
Usage It is commonly used for web-based content. It is widely used for a variety of purposes.
License Free to use Free to use
Streaming Support It is limited in some streaming environments. It is widely supported by streaming services.
Codec Opus, Vorbis, VP8, VP9. H.264, H.265, AAC.
Quality High High
Compatibility Some media players support it. Nearly all media players support it.

Part 2. Best Ways to Convert WebM to MP4 Offline

Way 1. Vidmore Video Converter

Vidmore Video Converter is an exceptional video converter that goes beyond expectations by swiftly transforming any video file into your desired format. Supporting over 200 input and output formats, this MP4 to WebM converter boasts an impressively rapid conversion process that is 50 times faster than standard tools. Distinguished by advanced accelerations for both hardware and GPU, this ultimate converting tool ensures efficiency without requiring advanced technical skills. Furthermore, its user-friendly interface is made for beginners. What sets it apart is its batch conversion capability, allowing you to convert WebM to MP4 and vice versa at once without any limitations. Even with many files, this remarkable converter maintains its ultrafast conversion speed!

Beyond its primary function as a top-notch converter, Vidmore offers a robust toolbox with an array of editing tools. Within this toolbox, you can enhance, trim, remove, crop, merge, and add watermarks. Thus, explore how this fantastic file converter seamlessly transforms WebM to MP4 with the steps below.

Step 1. Install the Vidmore Video Converter

First and foremost, you need to install this video converter of any kind on your computer. You can use the Download button below to initiate the installation quickly.

Free Download

for Windows

Free Download

for macOS

Step 2. Import the WebM or MP4 Files

Next is to upload all the WebM or MP4 videos you want to convert. To do so, you just need to drop the files at the center of the workspace. Alternatively, hit the Add Files tab or just drag the files to the center of the interface.

WebM toMP4 Vidmore Upload

Step 3. Choose Your Output Format

After uploading the files, you can hover over the drop-down arrow in the format setting section. When the new window appears, go to the Video option, look for the MP4 or WebM format, whichever is needed, and click your chosen encoder.

WebM to MP4 Vidmore Set

Step 4. Change MP4 to WebM

After setting the output format, click the Convert All button. Upon clicking the button, the ultrafast conversion will start.

WebM to MP4 Vidmore Convert


  1. It has an ultrafast conversion speed.
  2. It works on various video formats.
  3. You can convert bulk files in one process.
  4. It offers a 30-day free trial.


  1. The ultrafast conversion is in the paid version.

Way 2. HandBrake

Here’s another versatile conversion tool that you can also use on Windows, Mac, and Linux. One noteworthy feature of HandBrake is its ability to convert videos with efficiency and ease. It ensures a smooth transition to MP4 or MKV, enhancing compatibility and accessibility. This flexibility makes it a valuable resource for individuals looking to adapt their video files for different devices or platforms.

Furthermore, HandBrake not only facilitates the conversion process but also offers a range of video filters such as grayscale, denoise, de-comb, deblock, and more. For users with a strong technical background and a knack for detailed settings, HandBrake serves as an excellent choice for WebM to MP4 conversion tools. Despite a potentially intimidating interface for novices, advanced users can efficiently navigate through complex parameters like RF levels, target kbps, encoder tunes, and many more.

Step 1. Install HandBrake

Install the converter after downloading it to your computer. Once done, launch it and proceed to upload your WebM file. How? Click the Open Source and add the file.

Step 2. Choose MP4

When the WebM is in the interface, click the Presets button. Then, to choose an MP4 output format, click the General option and select your preferred quality.

WebM to MP4 Handbrake Presets

Step 3. Convert the File

After that, click the Browse button to set the folder to your preferred destination. Then, to start the conversion process, click the Start Encode button.

WebM to MP4 Handbrake Convert


  1. You can use it for free.
  2. It comes with customization options.
  3. It is supported by multiple platforms.


  1. No batch conversion is available.
  2. It comes with an advanced learning curve.
  3. It has limited editing capabilities.

Way 3. VLC

Lastly, this well-known media player, VLC, turns out to be an effective video converter. Similar to the previous one, VLC is a free and open-source software capable of handling a wide range of video and audio formats. This means that whether you're on Windows or Mac, VLC can be a reliable tool for your multimedia playback and conversion. Among the supported formats are WebM, MP4, MP3, OGG, TS, ASF, and many others. This broad compatibility allows you to convert files seamlessly according to your specific needs.

One notable feature of VLC is its ability to work on conversions for different platforms, providing you with the flexibility to optimize your multimedia content. Moreover, the process of converting videos ensures compatibility with the media player you use. This versatility makes VLC a go-to choice for those who are seeking a reliable and user-friendly solution for multimedia conversion tasks. Thus, to know how to change WebM to MP4 with VLC, the guide below must be seen.

Step 1. Launch and Import t

Launch the VLC on your PC, quickly click the Media tab menu, and choose the Convert/Save option. Then, on the pop-up window, go to the Add tab and upload the WebM video file files you need to convert. Then, click the Convert/Save button at the bottom to proceed.

WebM to MP4 VLC Upload

Step 2. Choose the MP4 as the Output

The next step is to click the arrow drop-down in the Profile section upon arriving at the next window. From there, choose the Video -H.264 +MP3 (MP4) among the profile formats it offers.

WebM to MP4 VLC Convert

Step 3. After that, click the Browse button and set the file path destination you want. Then, click the Start button beside the Cancel button at the bottom of the interface.


  1. It supports various video formats.
  2. It is flexible for platform support.
  3. It can be used for free.
  4. It comes with additional basic features.


  1. The advanced settings are limited.
  2. The batch conversion process is challenging.

Part 3. Convert WebM to MP4 Using the Notable Online Tool

If you want to turn WebM into MP4 files without downloading any software, then this online tool must be your best choice.

1. Vidmore Free Video Converter Online

Vidmore Free Video Converter Online is an incredibly convenient tool designed to fulfill your needs when it comes to converting video files online. This versatile converter not only supports the seamless conversion of individual WebM files to MP4 but also facilitates batch conversion, enabling you to process multiple WebM files simultaneously. Furthermore, it comes with a user-friendly interface that makes it easy for you to customize various aspects of your videos, including quality, resolution, and frame rate, providing a hassle-free and speedy online conversion experience. Thus, if you want to convert MP4 to WebM or the other way around online, then see the quick steps below.

Step 1. Begin by navigating to the primary webpage of the Vidmore Free Video Converter Online. Click on the Add Files to Convert tab to initiate the process of accessing its launcher and uploading your video files.

WebM to MP4 Online Upload

Step 2. When the videos are uploaded on the main interface, select the MP4 or the WebM format as your desired output. Do it by marking the corresponding toggle box at the bottom.

WebM to MP4 Online Convert

Step 3. With the MP4 or WebM format selected, proceed by clicking the Convert button. Next, choose a destination folder for your output file, and the conversion process will commence.


  1. It is a supreme video converter you can use for free.
  2. You can convert bulk files.
  3. Many various formats to choose from.
  4. It has basic editing tools.


  1. Its conversion process relies on your internet connection.
Feature Vidmore Video Converter HandBrake VLC Vidmore Free Video Converter Online
Conversion Speed Ultrafast Fast Fast Ultrafast
Watermark in Free Version No No No No
Additional Features Video editing, filters, effects, makers options. Video filters, chapters. Basic editing features. Basic editing features.
Platform Compatibility Windows/Mac. Windows/Mac/Linux. Windows/Mac/Linux. Web-based.

Part 4. FAQs about Converting WebM and MP4

Does converting WebM to MP4 reduce quality?

Yes, converting between lossy formats like WebM and MP4 may result in some loss of quality. However, the extent of the loss depends on the specific settings used during the conversion process.

What is the best free software to convert WebM to MP4?

The best free software to convert video files depends on various factors. If you want to avoid downloading any software that may take up space on your device, then we recommend using Vidmore Free Video Converter Online to change WebM to MP4 online for free.

Can you convert WebM to MP4 with VLC?

Yes, you can use the VLC to convert WebM to MP4. If you think the conversion steps are too complex, you can also use VLC to record the screen and play the WebM. Then, you can easily get an MP4 video.


There you have it! There are notable converter tools that can convert WebM to/from MP4. It doesn't matter if you are a novice on this task. As long as you follow the instructions on the corresponding tool, then you are good to go.

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