Play MKV Files Online Instantly
Open and watch MKV (Matroska) videos directly in your web browser without downloading VLC, codecs, or converting files. 100% private with local WebAssembly playback.
Local Software Decoder Initializing
This format is not supported natively by your browser's hardware. Initializing client-side WebAssembly demuxer...
Drag & drop video here or click to browse
Supports HEVC, MKV, AVI, FLV, WMV, MP4, WebM, etc.
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The fastest way to play Matroska (.MKV) video files without conversion
Built for the moment you just need to watch a file — quickly, privately, on any machine.
Supports 50+ Formats
MP4, MKV, AVI, MOV, WMV, FLV, WebM, OGG, MPEG, HEVC, and more.
No Installation
Nothing to download. The video player loads instantly right in your page.
Fast Local Playback
Playback starts in seconds, not minutes. Direct client memory demuxing.
100% Privacy Focused
Files stay on your local device. No data is ever uploaded to a server.
Works on Windows
Fully compatible with Windows 11, 10, 8, and 7 systems.
Works on Mac
Runs smoothly inside Safari, Chrome, and Firefox on macOS.
Works on Chromebook
Perfect for ChromeOS devices without needing Linux apps.
Works on Mobile
Responsive mobile layout. Play your local phone videos on the go.
Supported Formats
Open almost any video extension. We support playback decoding across a wide variety of codecs.
How It Works
Open a video
Click 'Open Video' or paste a URL link into the player box.
Wait a few seconds
Our engine decodes and buffers the stream locally on your machine.
Watch instantly
Enjoy seamless stutter-free playback right inside your web browser.
Questions, answered
Frequently asked questions about this video format and in-browser playback.