Convert WEBM → MKV
Free online WEBM to MKV converter. Fast, secure, works in your browser.
Drag and drop your file here
or click to browse — max 100.0 MB
How It Works
Upload Your File
Drag and drop your file or click to browse. We support files up to 100 MB.
Configure Settings
Adjust quality, resolution, or other settings to match your needs.
Download Result
Your converted file is ready instantly. Click download to save it.
Understanding WEBM and MKV
What is WEBM?
WebM is an open media format designed for the web. It uses VP8/VP9 video codecs and Vorbis/Opus audio codecs for efficient web streaming.
Full name: Web Media Format
Advantages
- Open format
- Great web performance
- Smaller than MP4 for web
- No licensing fees
Limitations
- Less universal than MP4
- Limited editing software support
Best for: Web videos, HTML5 video, open-source projects
Frequently Asked Questions
Upload your WEBM file using the drag & drop area above, and VUREX will automatically convert it to MKV format. Download your converted file instantly.
Yes, VUREX is completely free. No registration, no watermarks, no limits on file conversions.
Absolutely. Files are processed in your browser whenever possible. We never store your files on our servers.
You can upload files up to 100 MB. For most WEBM files, this is more than enough.
Currently, VUREX supports single file conversion. Batch conversion is coming soon.