Opening WEBM Files

The WEBM file type is primarily associated with VLC.

WEBM	File extension: WEBM
	File type:	multimedia container

What is a WEBM file?

WEBM files mostly belong to VLC by VideoLAN. WEBM is the filename extension of video and audio files stored in WEBM multimedia container format. WEBM files consist of video streams compressed with the VP8 or VP9 video codecs. The audio streams in the container are compressed with Vorbis or Opus audio codec. This media container may also contain VTT (WebVTT) text tracks. WEBM is a royalty-free, high-quality audio visual container format that has been optimized to display videos on a web page. As such, it is supported by all the major web browsers including Chrome, Firefox, Edge, Safari and Opera which have HTML5 support. WEBM video files are also playable with media players such as VLC and Elmedia. WEBM format stands out as a web-friendly video format because despite supporting the highest possible video quality, encoding and decoding a WEBM media file has low computational footprint on system resources.

How to open a WEBM file

You need a suitable software like VLC to open a WEBM file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your WEBM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WEBM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WEBM File Viewer

Choose your .webm file to play

or drag and drop it here

Online File Viewer

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Easily convert WEBM files to MP4, MP3, MKV, AVI, ...

1. To do so, click the "Choose your .webm file to play" button above.
2. Your WEBM file will then be displayed in the browser.
3. Now click on "Save as..." at the top of the page.
4. Then click the video format (e.g. MP4, MKV, AVI, ...) you want.
5. Download the converted file.

WEBM file format:

The file format determines how the data is stored in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below you will find our evaluation of the WEBM files:

The WEBM file extension is very common and predominantly uses a uniform format. The file formats most commonly found in WEBM files are:

• 90% of all WEBM files belong to WebM video. The files are using the common file format MKV. MKV is short for Matroska Multimedia Container. It can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is a universal format for storing common multimedia content, like movies or TV shows. Matroska is similar to AVI, MP4, or ASF, but is entirely open in specification and consisting of open source software. These are binary files, so they do not contain words or text. The average file size is 10 MB with most files being between 780 KB and 130 MB in size. This file type is based on cutting-edge technology. The keywords webmB are typical for these files. Such files are related to screen, video, recording, capture, official, woman, cache and unity.
• 1% of all WEBM files save the data in MP4 file format. MP4 is a multimedia container format used to store video and audio and allows streaming over the Internet. They consist of unreadable binary data. The file size is in the range of 2 MB to 220 MB. Such WEBM files store data about mate.

All other WEBM files (9%) have different formats. Often described as recorder, videoplayback, music, secs, webcam or https. Just click the "Choose your .webm file to play" button on this page to find out what your WEBM file is.