Welcome to the File Converter
Upload your file to start converting. Choose a file from your device or use a remote file link.
Max file size 1GB. Convert for free
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How to Convert Webm to MKV?
- Click the “Choose WEBM Files” button and select your WEBM file
- Click on the “Convert” button to start the conversion
- When the status changes to “Done”, click the "Download MKV" button
Convert Any WEBM to MKV
This tool supports converting many types of Webm to MKV. Convert MP4, AVI, MKV AND OGV to MKV.Best Webm Converter
Convert your Webm with perfect quality, size, and compression. Plus, you can also batch convert Webm using this tool.Free & Secure
Our Webm Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.What is an WEBM file?
WEBM is an open-source video format optimized for web video streaming, widely used in web video playback. It uses VP8 or VP9 video codecs and Vorbis or Opus audio codecs, supporting efficient streaming. For more information, check WEBM Wikipedia.
How to open an WEBM file?
Can be opened with VLC or Google Chrome. It is supported by a wide range of browsers and media players.
- Developed by: Google
- Initial Release: 2010
- Useful links: https://en.wikipedia.org/wiki/WebM https://www.webmproject.org/
What is an MKV file?
MKV (Matroska Video) is an open-source multimedia container format that supports multiple video, audio, and subtitle tracks, and can store HD and 4K content.
How to open an MKV file?
Can be opened with VLC, MPC-HC, or MKVToolNix for playback and editing.
- Developed by: Matroska
- Initial Release: 2003
- Useful links: https://en.wikipedia.org/wiki/Matroska https://mkvtoolnix.download/
Convert Your WEBM files to other formats
Convert Other files to MKV
Your Data, Our Priority
At AllConverter, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.