3 Best Free WebM Player in 2021

Part 1. 3 Best Free WebM Player on PC/Mac

• 1.VLC Player
• 2.KM Player
• 3.Miro

1.VLC WebM Player

Compatibility: Win, Mac & Linux

VLC player is a powerful media player that plays most of the video formats including WebM files, MOV, MP4, MKV and more. It is also a free and open-source player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Just try this tool to play WebM files with ease.

Image board: Top 3 WebM Player on PC/Mac - VLC

Quick Tips:

①Trim Video >

②Convert Video >

③ Edit Video >

2.KM Player

Compatibility: Win, Mac, iOS, Android

KM player is absolutely a perfect WebM player that can play your WebM files on computer or smart phones as you want. It offers quick button so you can use various functions easily, and you can set the subtitles size, color and position quickly. And you can play the WebM video in background and play A-B section repeatedly.

Image board: Top 3 WebM Player on PC/Mac - KM Player

3.Miro

Compatibility: Win, Mac, iOS, Android

Miro player is a free and open-source WebM player that plays a wide range of video formats. It's equipped with many features like keyboard shortcuts, video playlist, move your library, thumbnail creation, 1-click subscription, rename feeds, global community, translation and more. Also, it supports more than languages including Arabic, German, French, Greek, Indian, etc.

Image board: Top 3 WebM Player on PC/Mac - Miro Player

Part 2. How to Edit WebM Video Online

What if you want to edit WebM videos online without installing an application to your computer? At this time, FlexClip is an option to. It's an online video editor as well as video maker that offers a lot of video templates. Let's try to edit WebM video online:

Step 1. Visit FlexClip on your browser and click Make a Free Video to start.

Image board: How to Edit WebM Video Online - Step 1

Step 2. Then you can edit your WebM video online as you want. You can add music, add text, speed up, add filter, trim, merge, add watermark and more.

Image board: How to Edit WebM Video Online - Step 2

Tips: You can also choose a video template and customize it online:

Part 3. Why Can't I Open WebM Files?

Tips: Most of the problems with opening a WEBM file are related to not having the correct software application installed on your computer.

1. Internet Explorer is not installed.

You may see a dialog box in the operating system stating "Cannot open this file type". This is usually because Internet Explorer for Windows 10 is not installed on your computer.

2. Wrong version of Internet Explorer installed.

The most common situation is that your software application version is earlier, and your file was created by a newer version, and your software cannot recognize the file.

3.Invalid WEBM file reference in Windows registry.

4. Accidentally delete the description of the WEBM file in the Windows registry.

5. Incomplete or incorrect installation of the software application associated with the WEBM format.

6. Your WEBM file is damaged (there is a problem with your WebM Video File file itself).

7. Your WEBM is infected with malware.

8. The device driver of the hardware associated with your WEBM file is corrupt or out of date.

9. Your computer does not have enough system resources to open the WebM Video File format.

The Bottom Line

That's all about best WebM player and we also show you how to edit WebM videos with FlexClip, which can help you edit videos online within simple steps. Just try it and explore more!