Convert any audio and video to MKV in seconds straight from your browser. No installs. No watermarks. 100 % free.
Convert over 47 formats into popular outputs like MKV, MKV, WebM, AVI, and more.
No signups, no fees, no hidden restrictions. Convert to MKV directly in your browser for free.
We take your security seriously. All file transfers use 256-bit SSL encryption.
No installs needed; convert to MKV right from your browser, on any device, anytime.
Start by dragging and dropping your file into the upload area, or click to browse your device and select your file in the list.
Next, pick MKV as the format you’d like to convert your video into. Alternatively, we support +47 formats that you can choose from. When you’re ready, hit the Convert button.
Once the conversion is complete, you’ll get a download link right away. Just click to save the file to your device. It’s fast, easy, and doesn’t require any software installation.
VLC, MPV, and Kodi handle MKV flawlessly on every OS. Editing suites such as DaVinci Resolve import common codecs like H.264 or ProRes within MKV, but for delivery you may still export MP4. MKVToolNix lets you split, merge, and tag tracks without re‑encoding.
Matroska Video (MKV) is a flexible open container that can accommodate virtually any codec, multiple subtitle tracks, and chapter points. It is built on EBML (Extensible Binary Meta Language), a binary cousin of XML, allowing unlimited, self‑describing elements. The project began in 2002 after developer Steve Lhomme forked the failed MCF container. With the explosion of H.264 ‘fansubs’, MKV became the default wrapper for anime communities, bundling soft‑subs and styled karaoke effects. In 2013 Matroska was standardised within the IETF as the basis for WebM, cementing its longevity.
Happy Scribe: Your essential tool for transcription and subtitling, empowering media teams to overcome language barriers and connect with global audiences efficiently and effectively."
Third-party transcription tools offer highly accurate transcripts written by human transcriptionists. Users can upload their video transcription files to Vimeo by creating an account with a transcription service, ordering the transcription, downloading it, and uploading it to Vimeo.