Convert MKV files online for free
The converter easily converts your MKV file to various formats - free and online. No VLC or extra software needed.
The converter also works in reverse, so you can convert other Video formats to MKV with high quality output.
The .MKV (Matroska Video) file is a robust, open-standard multimedia container designed to be future-proof. Unlike standard video files, MKV works like a wrapper that can hold an unlimited number of video, audio, picture, or subtitle tracks in a single file, making it the preferred format for high-definition movies (HD/4K) and anime fansubbing. However, this flexibility is a common source of difficulty for everyday users. MKV files are not natively supported by many default media players, including Windows Media Player or QuickTime, and they frequently fail to play on mobile devices like iPhones, iPads, and older Smart TVs without installing third-party apps like VLC. Additionally, their file sizes can be massive due to the inclusion of lossless audio (FLAC) or high-bitrate video streams, making them difficult to share via email or upload to the web.
To ensure your video plays everywhere, the best solution is to convert .MKV to MP4 (H.264/AAC), which guarantees compatibility with virtually all modern browsers, smartphones, and streaming platforms. For editing in the Apple ecosystem, converting to MOV allows for smoother importing into Final Cut Pro or Adobe Premiere Pro. If you simply need the soundtrack from a movie file, you can extract the audio directly to MP3 or WAV. With convert.guru, you can resolve these codec incompatibilities instantly without downloading complex transcoding software.
Use Convert.Guru to open and convert your MKV file.
Users also converted HEVC, EAC3, VLC, AV1, VIDEO, LARGE, H265, KMV, VR, MPV, MP4, TORRENT and MVP files.
If you want to convert MKV file to , you can use VLC media player or similar software from the "High-Definition Video Storage" category. In the File menu, look for Save As… or Export….
To convert RMVB or TS files to MKV, try VLC media player or another comparable tool in the "High-Definition Video Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MKV converter.