[2 Ways] How to Convert WebM to MP4 on PC/Mac

[Latest Updated: Mar. 15, 2019 by May Watt to Convert Video]

webM Convert MP4

Get Your Best Way to Change the Video File Format from WebM to MP4

WebM is a container format supporting VP8 or VP9 video and Vorbis or Opus audio streams. It is developed by Google with the purpose of delivering a high quality, open-source format used in HTML5 video. It focuses on serving video on web and is supported by most browsers. WebM is also recognized as an ideal format for online UHD (4K) videos. However, it lacks of wide compatibility with devices, some players and editors. Therefore, people choose to convert WebM to MP4 to make the source video acceptable in mobiles and programs.

How to Convert WebM to MP4

WinX HD Video Converter Deluxe, the all-in-one video processor, allows users to change virtually all video file formats, including WebM to MP4. It has a fresh and clean design. You can easily get how to import and convert the video. In addition to simple operation, it can deliver fast conversion speed thanks to hardware acceleration. The technology helps speed up video encoding, decoding and processing using graphic cards and meanwhile relieves the burden of CPU. Therefore, you can enjoy a much smoother conversion experience. According to personal test, the output quality is perfect, having crisp images and hi-fi sounds.

Download and install WinX HD Video Converter Deluxe on your computer. Then, follow the guide to convert WebM to MP4.

For Windows and Mac only. If you are a mobile user, please click here.

Step 1. Launch WinX HD Video Converter Deluxe and click Video button.

Step 2. Click +Video to import a single WebM file or multiple videos for batch conversion.

Step 3. Move to the bottom of the window and click Video tab. There are two MP4 options: H.264 MP4 and HEVC MP4. Select one.

Tip 1: H.264 MP4 is the most recommended choice because this format is better supported by various devices/software. But if you need a smaller file size and have a qualified device, HEVC MP4 is the right one.

Step 4. Click Browse button to set a new output folder if necessary. Then, click RUN button to convert WebM to MP4.

Tip 2: WinX HD Video Converter Deluxe will automatically enable Hardware Acceleration. It will detect your graphic cards (Intel, NVIDIA or AMD) and take full advantage of them to speed up the process.

Convert WebM to MP4 with WinX HD Video Converter Deluxe

Another Way to Convert WebM to MP4

Online video converter also offers an easy way to change the video file format from WebM to MP4. Difference from software, it is a webpage wrapping the ability to convert video format. There are a bunch of online video converters. And here we take Zamzar as example and show you how to convert WebM to MP4 with this tool.

Open Zamzar.com in browser and then you can see the on-page instruction. Under Convert Files tab, follow the step 1.2.3 to perform conversion.

Step 1. Click Choose Files… button to load the WebM file.

Step 2. Click the drop-down arrow to select MP4 from Video formats category.

Step 3. Click convert button.

Convert WebM to MP4 with Zamzar

Which Is Your Best Way to Convert WebM to MP4?

WinX HD Video Converter Deluxe is a desktop program which offers powerful features and stable performance. Online video converters are more convenient without installation but they rely on internet and have some limitations.


WinX HD Video Converter Deluxe (Desktop Software)

Online Video Converter

Supported Formats

WebM (VP8/9), MP4 (H.264/HEVC) included

Common video formats, much fewer than WinX HD Video Converter Deluxe

Output Quality

Great (almost lossless)



Very Fast

Depending on network connection

Output Quality

Great (almost lossless)



Very Fast

Depending on network connection

Easy to use

Batch Conversion

(single file and size limitation: 50MB)

Other features

Adjust parameters, edit video, download video and record video

Some of which can convert images, documents and e-books.

How to Get

Download for Win
Download for Mac

Search in Google or visit the home page: e.g. www.zamzar.com

To sum up, WinX HD Video Converter Deluxe is preferred by people because it unlocks more powers to convert videos, supporting virtually all formats and batch conversion, delivering better quality and faster speed. On the other hand, if you just require converting a small WebM video to MP4 for once, online video converter is advisable.

WinX HD Video Converter Deluxe Box

WinX HD Video Converter Deluxe
All-sided Video Processor

• Video Transcoder: Transcode videos to HEVC, H.264, AVI, MOV, 3GP etc, with ease.
• Video Editor: Cut, merge, crop, rotate, flip videos, and enhance video quality.
• Also plays as a DVD converter, video downloader and screen recorder.

For PC and Mac only. Mobile user Click here.

How to use | Contact Support | Learn More

About the Author

   May Watt@may_w1209

May Watt is a sought-after editor at Digiarty. She is responsible for digital and multimedia world, delivering definitive video and audio related software reviews, enlightening guides, and incisive analysis. As a fan of Apple, May Watt also brings her experience to more readers and focuses on writing of the Apple ecosystem at large.

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