Best Free WebM Video Converter to Convert WebM to MP4

What is WebM? What does it do? How to play it? You come to the right place. Find the answers in the article.


Updated on Oct 15, 2020

What Is WebM?

WebM, sponsored by Google, is a container format based on the Matroska media container (well-known as MKV). WebM files are compressed and encoded with the VP8 or VP9 video codec, Vorbis or Opus audio codecs, and WebVTT text tracks. It is primarily intended to offer a royalty-free alternative to use in the HTML5 video tag.

WebM Video File

WebM Video File

Pros and Cons of WebM

WebM was built for the web. Make sure you have installed the latest version of a browser so that WebM video can play directly in your web browser using HTML5 without the flash player. However, everything has two sides, check out the Pros and Cons of WebM below:

1. 100% free and open to everyone.
2. Play video with higher quality and better performance, even on old PCs.
3. Have been implemented on more and more popular sites like YouTube, Wikimedia, 4chan, etc.

1. Fewer supported web browsers currently, only Mozilla Firefox, Opera, Microsoft Edge, and Google Chrome. Internet Explorer 9 and Safari require third-party WebM Media Foundation Components.
2. Less media players support WebM video or need to install components or plug-ins.
3. WebM video cannot play on most portable devices.

Why Convert WebM to MP4, AVI, MKV, MOV, WMV, Etc?

After all, WebM is for the web. Just like the OGV file, despite its brilliant performance on the web, the defect is also obvious offline. You may get frustrated and upset that it's not convenient to play and edit WebM video since currently it's not compatible with most media players, portable devices and video editing software .

To solve this problem, the most direct and effective way is to convert WebM to MP4 or AVI, WMV, MKV, MOV... MP4 is widely used and has good speed, compression, hardware decoders, and video quality. Therefore, a free WebM encoder is requisite for this job. Follow this step-by-step guide below on how to convert WebM to MP4 or other formats and devices.

How to Convert WebM Files?

The best free WebM video converter - Free HD Video Converter Factory is highly recommended. Open it after downloading and installing on your Windows PC (Windows 10/8/7/Vista).

Free HD Video Converter Factory is the best free solution to convert WebM to MP4, AVI, MKV, MOV, WMV or other popular formats and portable devices. Learn more >

  • Cnet Review: 4.5 star
  • SoftPedia Review: 5 star
  • MajorGeeks Review: 5 star
  • User Review: 4.5 star
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Step 1 - Add WebM Videos to the Free WebM Encoder

Enter the Converter module and click "Add Files" to import your WebM video files or simply drag the wanted WebM videos into the program.

Add WebM Videos

Add WebM Videos

Note: This free .webm converter also enables you to import and convert M2V to MP4, PVR to AVI, TREC to MKV, MSWMM to MOV and more.

Step 2 - Set Output Format as MP4 or Other Format or Device

Open the output format drop-down list on the right and select MP4 as the output format.

Select Output Format

Select Output Format

Note: Except for MP4, there is a wide range of video&audio formats available so that you can convert video to H.265, 4K, VP9, etc, or choose from various devices including Android, iOS, smartphones, tablets, TVs, game consoles.

Optional - Regulate Video Settings

If you're an experienced user, this free WebM video converter empowers you to modify video and audio parameters by clicking the "Parameter settings" button. You can change resolution, change aspect ratio, encoder, bitrate, frame rate and so on right there.

Regulate Video Settings

Regulate Video Settings

Step 3 - Start to Convert WebM to MP4

Click the Run button to start the process of converting WebM to MP4 when all things are ready.

After done, you can play WebM video with portable devices anytime and anywhere, even edit it in Windows Movie Maker, iMovie, QuickTime or professional 4K video editors.

Enjoy More Features of the Free WebM Video Converter

With this free WebM converter, you can even download YouTube MP4/WEBM videos in batches and combine videos into a single one. Meanwhile, simple editing like cut, merge, rotate, crop and add special effect are offered for you as well.

Still got question? Submit it to us and get answer within 24 hours.
free HD converter

Free HD Video Converter

Perfectly convert your standard resolution resources to higher definition levels and free download YouTube to your gadgets.

  • CNet
    This program was able to convert an hour-long video in few minutes and produced high-quality results.
    by Rick | CNet
  • SoftPedia
    It offers an acceptable selection of both file formats and device-optimization profile and produces very high quality results.
    by Boboc | SoftPedia
  • MajorGeeks Editor
    This freeware has incredibly fast conversion speed and makes frequent movie conversion much easier.
    by Aaron | MajorGeeks
  • User comment
    Really free and easy to use.Does so may formats forwards and backwards Includes HD as well as standard. No ads, no signup, no arrogant taking over your...
    by Brokenit
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