1. GroupDocs Products
  2. Conversion App
  3. Convert WEBM to MKV

WEBM to MKV converter

Convert WEBM to MKV online from any device with a free converter.

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We have already processed 8,914 files with total size of 18,799 Mbytes

About Conversion app

Convert your WEBM files online—no registration needed. No matter your platform—Windows, Linux, or macOS—you can convert your WEBM documents rapidly. Drag and drop your file onto the upload form, pick the output format you need, and hit the convert button. After the conversion is finished, download your MKV file instantly.

Conversion time varies based on the WEBM file's size and complexity, but most files convert within seconds. Our advanced options include converting secured documents and delivering conversion results straight to your inbox.

Easily convert your WEBM documents from any location and any device, even on mobile. This conversion app is always accessible online and free for basic use.

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WEBM

WEBM file format

WEBM is an open, royalty-free multimedia container format designed for web use, primarily for video and audio streaming. It is widely supported by modern web browsers, media players like VLC, and editing tools such as Adobe Premiere Pro and FFmpeg. The format uses VP8 or VP9 video codecs and Opus or Vorbis audio codecs, offering efficient compression, high-quality playback, and features like adaptive streaming and metadata support.

MKV

Matroska Video file format

MKV (Matroska Video File) is an open, flexible multimedia container format designed to store video, audio, subtitles, and metadata in a single file. It is widely supported by media players like VLC, MPC-HC, and tools such as MKVToolNix for editing and muxing. The format uses EBML (Extensible Binary Meta Language) for its structure, enabling advanced features like chapter support, multiple audio tracks, and seamless streaming capabilities.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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How it works

How to convert WEBM to MKV

Step 1
Click inside the file drop area to upload WEBM file or drag & drop WEBM file.
Step 2
Click on Convert button. Your WEBM files will be uploaded and converted to MKV result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the MKV file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert WEBM into many other file formats. Please see the complete list below.

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