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WEBM File Extension

WebM Video Format
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What is WEBM file?

File with WEBM contains multimedia data as a Matroska container. The format was developed with support from Google in 2010 as a free, open format for internet-related purposes. WEBM container can comprise of:

  • video stream data encoded in VP8 or VP9 technology,
  • audio stream data compressed using Opus or Vorbis codec,
  • text track in WebVTT format – initial version of WEBM format did not support any type of subtitles.

The format is restricted to used only selected codecs, all of which are open-source to facilitate use in free and paid applications. Web browsers that support WebM format should have no problem opening any WEBM file as it doesn’t require any additional codecs to be installed on the system. The format is well-suited for streaming of variable quality. WEBM is commonly used for videoconferencing.

No additional software is required in order to used this format as any apllication that supports it already has the necessary resources to process WEBM data. WEBM can store audio and video data, then its MIME type is to video/webm ; for audio data only, the MIME types is to audio/webm. WEBM specification and implementation details along with information on planned changes can be found on webmproject.org website.

Programs which support WEBM file extension

Below you will find an index of software programs that can be used to open WEBM files divided into 3 categories according to system platform supported. WEBM files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 12/04/2022

How to open file with WEBM extension?

Being unable to open files with WEBM extension can be have various origins. Fortunately, most common problems with WEBM files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install VLC media player software

Install software to open WEBM file The main and most frequent cause precluding users form opening WEBM files is that no program that can handle WEBM files is installed on user’s system. This issue can be addressed by downloading and installing VLC media player or different compatible program, such as Windows Media Player, Miro Video Converter, Microsoft Internet Explorer. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit VLC media player website and download the installer.

Step 2. Check the version of VLC media player and update if needed

Update software that support file extension WEBMYou still cannot access WEBM files although VLC media player is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that VLC media player cannot handle files with WEBM may be that the software is outdated. The latest version of VLC media player should support all file formats that where compatible with older versions of the software.

Step 3. Associate WebM Video Format files with VLC media player

If you have the latest version of VLC media player installed and the problem persists, select it as the default program to be used to manage WEBM on your device. The method is quite simple and varies little across operating systems.

Associate software with WEBM file on Windows

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the WEBM file
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where VLC media player is installed, check the Always use this app to open WEBM files box and conform your selection by clicking OK button
Associate software with WEBM file on Mac

Change the default application in Mac OS

  • By clicking right mouse button on the selected WEBM file open the file menu and choose Information
  • Open the Open with section by clicking its name
  • Select VLC media player and click Change for all...
  • Finally, a This change will be applied to all files with WEBM extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the WEBM is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the WEBM file in question. Being unable to access the file can be related to various issues.

Check WEBM file for viruses
1. Check the WEBM file for viruses or malware

If the file is infected, the malware that resides in the WEBM file hinders attempts to open it. Scan the WEBM file as well as your computer for malware or viruses. If the WEBM file is indeed infected follow the instructions below.

2. Verify that the WEBM file’s structure is intact

If you obtained the problematic WEBM file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the WEBM file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run VLC media player

The operating systems may note enough free resources to run the application that support WEBM files. Close all running programs and try opening the WEBM file.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with WebM Video Format files. It may be the case that the WEBM files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the WEBM file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on WEBM file.

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