WEBM to MKV
Convert WEBM files to MKV with a focused browser-based tool.
Convert WEBM to MKV online
WEBM is an open video format designed for web delivery. MKV is a flexible container that can hold multiple audio, video and subtitle tracks. Converting from WEBM to MKV is useful when you need multi-track video and archival media, or when a device, editor or website expects this video container.
How to convert WEBM to MKV
- Choose a WEBM file from your device.
- Review any available quality or output settings.
- Start the conversion and download the finished MKV file.
What to know before converting
Re-encoding compressed media can reduce quality. Use a suitable bitrate or quality setting when one is available. This tool is designed to perform supported conversions in the browser, so you can get to the result without installing desktop software.
About WEBM and MKV files
WebM video is useful for browser-first video playback. MKV video is useful for multi-track video and archival media. Choosing between them depends on the software you use, the level of compatibility you need, and whether file size, editability, quality or transparency matters for your workflow.