🎥 MKV Format
MKV Converter
Convert MKV files in your browser. Free, private, and fast. Open Matroska video container and link to the best MKV import and export pages.
What is MKV?
MKV is the open Matroska container that can hold any number of video, audio and subtitle tracks in one file. It is popular for movies, TV recordings and screen captures from tools such as OBS.
Common uses for MKV
- Playing OBS recordings on phones, TVs and editors
- Converting downloaded films to MP4 for wider device support
- Creating MKV for collections that keep several audio or subtitle tracks
Note: Only the first video and audio track are converted here, and subtitle tracks are not carried over. Many TVs, phones and editors cannot play MKV directly.
Compatibility: VLC, MPV, Plex, Kodi and most desktop players; limited support on iPhone, QuickTime and browsers.
Convert from MKV
Choose the output format you need from a MKV file.
Convert to MKV
Convert other formats into MKV.
100% Private & Browser-Based
Your files never leave your device. All conversion happens locally in your browser — nothing is uploaded to any server. No sign-up required.
FAQ
Frequently Asked Questions
Yes — all MKV conversion tools on AintoB are completely free. No account required, no upload limits for typical files.
MKV is the open Matroska container that can hold any number of video, audio and subtitle tracks in one file. It is popular for movies, TV recordings and screen captures from tools such as OBS.
Your MKV files are processed entirely in your browser. Nothing is sent to any server — the conversion is performed locally using browser-native APIs.
MKV stands for Matroska Video. MKV is the open Matroska container that can hold any number of video, audio and subtitle tracks in one file.