WebM to MKV Converter
Convert your WebM (.webm) files to the versatile MKV (.mkv) format. Our online tool provides fast, high-quality conversions while preserving video quality, all processed securely in your browser.
Drop your WEBM file here
or click to browse your files
Maximum file size: 100MB
(no limit for pro users)
How to Convert WebM to MKV
We try to keep things simple. We have already optimised the settings for you.
- 1Upload your WebM video using the button above.
- 2Click "Convert to MKV" to process the video.
- 3Download your new MKV file, click "Download MKV".
Benefits of MKV
- Open-source and patent-free format.
- Supports multiple video and audio codecs.
- High-quality video preservation.
- Ideal for storing high-definition content.
- Supports subtitles and multiple audio tracks.
WebM vs. MKV: Key Differences
| Feature | WebM | MKV |
|---|---|---|
| Container Format | Web-optimized | Open-source |
| Codec Support | VP8/VP9 + Vorbis/Opus | Extensive |
| File Size | Optimized for web | Larger but flexible |
| Compatibility | Best in browsers | Good with modern players |
FAQ: WebM to MKV Converter
Here are the most common questions about converting WebM videos to MKV format.
Can I convert WebM to MKV without losing quality?
Yes, MKV is designed to preserve high video quality. Our converter maintains the original video quality while changing only the container format.
Is MKV better than WebM?
MKV is better for storing high-quality content and supports more codecs, while WebM is optimized for web streaming. Choose MKV for archival purposes and WebM for web use.
What devices support MKV files?
MKV works well with VLC, Plex, Kodi, and most modern media players. Some older devices may not support MKV files natively.
Is this WebM to MKV converter free?
Yes, the basic converter is completely free to use with no hidden costs. Free users can convert videos up to 100MB in size. Pro users enjoy unlimited file sizes and batch processing.
Do I need to install software to convert WebM to MKV?
No installation is required. This tool runs directly in your browser, just upload your WebM file, click convert, and download your MKV video.
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