File Extension Database

Open WEBM File

The WEBM file extension is directly related to HTML5 and represents royalty-free videos and importantly, they are based on the Matroska file container (MKV).

WEBM files were created with the purpose of guaranteeing compatibility with any web browser. Mozilla Firefox, Opera and Google Chrome web browsers do support the playback of WEBM video files, but Internet Explorer 9 and Safari do require installation. plugins and external options for playing WEBM media.

YouTube pioneered the use of WEBM files in its HTML5 playback experiment. Both the web browser format and the YouTube application on mobile phones use this type of file to play video.

The WEBM file is a container, based on the Matroska standard, but this file container has been significantly modified by Google.

The encoding and decoding of WEBM files is possible using programs like FFVP8, or Google's LIBVPX decoder.

Matroska's MKVToolNix software supports WEBM multiplexing and demultiplexing.

Also from version 2.3 of Android (Gingerbread) and later, the playback of WEBM videos is allowed.

Here is a short list of programs and web browsers that allow the playback of WEBM files:

Mozilla Firefox
Google Chrome
Opera
Quicktime
Youtube
Skype

How Can I Open WEBM File on Windows

We researched and learned that the best way to open WEBM file is to find a WEBM file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a WEBM file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open WEBM file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as WEBM file opener then try to search online for "WEBM viewer", "application to open WEBM file" or "open WEBM file" queries in the search engine you like.
Install the application you found and check if it can open WEBM file

How Can I Open WEBM File on Mac OS

We recommend to find a WEBM file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a WEBM file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with WEBM file.
If you know the Mac OS application which can work as WEBM file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open WEBM file in it.
If you don't know the application which can open WEBM file then try to search for "WEBM viewer", "application to open WEBM file" or "read WEBM file" queries in the online search engine you like.
Install the application you found and check if it can read WEBM file

How Can I Open WEBM File on Android

If you downloaded a WEBM file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded WEBM file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "WEBM".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "WEBM viewer", "WEBM file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open WEBM File on iPhone or iPad

To open WEBM File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the WEBM file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "WEBM". This way you can find apps which can open WEBM files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "WEBM viewer" or "WEBM file" online in your favorite search engine.