Convert to MKV
Transform any video format to MKV with high quality
Select your video
Drop a video file here or click to browse
Supports MP4, WebM, AVI, MOV and more
Quick Guide
Upload Video
Upload your video file (supports MP4, AVI, MOV, WebM and more)
Auto Convert
Click convert and our tool will transform your video to MKV
Download MKV
Download your converted MKV video with preserved quality
Convert Any Video to MKV Format
MKV (Matroska Video) is a free, open-standard multimedia container that can hold unlimited video, audio, picture, and subtitle tracks in one file. It's perfect for storing high-quality content with multiple tracks and advanced features.
Our privacy-focused MKV converter runs entirely in your browser without uploading files to any servers. Convert your videos to MKV format while maintaining complete control over your content and privacy.
Why Convert to MKV?
Open Standard
Based on open standards, ensuring long-term compatibility and freedom from proprietary restrictions. Supported by most modern media players.
Multiple Tracks
Supports unlimited video, audio, and subtitle tracks in multiple languages, perfect for movies and complex media projects.
High Quality
Supports virtually all video and audio codecs, including high-definition and lossless formats for maximum quality preservation.
Advanced Features
Includes support for chapters, menus, metadata, and error recovery, making it ideal for archival and professional use.
Supported Input Formats
Frequently Asked Questions
Is this MKV converter completely free?
Yes, absolutely! Convert unlimited videos to MKV with no watermarks, no time limits, and no hidden costs.
Are my videos private and secure during conversion?
Completely. All video conversion happens locally in your browser using WebAssembly. Your videos never get uploaded to our servers.
Why should I choose MKV format?
MKV is perfect for high-quality content with support for unlimited tracks, advanced features like chapters and menus, and virtually all video codecs. It's ideal for archival and professional use.
What video formats can I convert to MKV?
We support all major video formats including MP4, AVI, MOV, WebM, WMV, FLV, 3GP, and many more. If your browser can play it, we can convert it.
Will converting to MKV preserve video quality?
Yes! MKV supports virtually all video codecs including lossless formats, ensuring maximum quality preservation. Perfect for high-definition and professional content.
Can I use this on my mobile device?
Yes! The converter works on any device with a modern web browser, including smartphones and tablets. MKV files are supported by most modern media players.
Is there a file size limit for conversion?
The only limit is your device's available memory. MKV is excellent for large, high-quality files thanks to its efficient container structure.
Do I need to create an account?
No account needed! Just visit the page and start converting. No registration, no email required - just instant MKV conversion.