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WEBM to MKV converter

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

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About Conversion app

Convert your WEBM files online. You can convert your WEBM documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your WEBM file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your MKV file.

You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted MKV file. Expand the ConvertOptions and fill the fields for watermarking.

You can convert your WEBM documents from anywhere, from any machine or even from a mobile device. The WEBM converter is always available online and is completely free.

  • Convert WORD to PDF, EXCEL to PDF, PDF to WORD, POWERPOINT to IMAGE, VSDX to PDF, HTML to DOCX,EPUB to PDF, RTF to DOCX, XPS to PDF, ODT to DOCX, ODP to PPTX and many more document formats
  • Simple way to instant convert WEBM to MKV
  • Convert WEBM from anywhere - it works on all platforms including Windows, MacOS, Android and iOS
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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

WEBM

WEBM file format

A file with a .webm extension is a video file based on the open, royalty-free WebM file format. It has been designed for sharing video on the web and defines the file container structure including video and audio formats. WebM is 100% free, implementing high-quality based on open technologies such as HTML, HTTP, and TCP/IP which are open to anyone for implementation. WebM has been specifically designed for serving video on the web which makes it optimized for streaming with a low computational footprint. This makes it suitable for videos playback on any device especially low-power netbooks, handhelds, and tablets.

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MKV

Matroska Video file format

MKV (Matroska Video) is a multimedia container similar to MOV and AVI format but it supports more than one audio and subtitle track in the same file. An MKV file is the Matroska multimedia container format used for video. MKV is based on Extensible Binary Meta Language and it supports several video and audio compression formats. The major difference between MKV and other video formats is that MKV is a container and not a codec. MKV files are saved with the .mkv file extension. MKV can incorporate audio, video, and subtitles in a single file even if those elements use different types of encoding. For example, you could have an MKV file that contains H.264 video and MP3 or AAC for audio. MKV also supports descriptions, ratings, cover art, and even chapter points.

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Other Supported Conversions

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

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