Convert M4V to MKV — Free Online Converter
Convert MPEG-4 Video (Apple) (.m4v) to Matroska Video (.mkv) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
About M4V to MKV Conversion
M4V is Apple's MPEG-4 container with optional DRM support, while MKV (Matroska Video) is an open, highly flexible container format that can hold virtually any combination of video, audio, and subtitle streams. MKV supports advanced features like multiple audio tracks, soft subtitles in numerous formats (SRT, ASS, PGS), chapter markers, and attachments — all in a single file. Converting M4V to MKV unlocks these capabilities for use with media servers like Plex, Jellyfin, and Kodi.
Why Convert M4V to MKV?
MKV is the preferred container for media server ecosystems and enthusiast video collections. It supports features that MP4/M4V cannot: unlimited audio and subtitle tracks, fonts for styled subtitles, chapter markers with named sections, and nearly every video and audio codec ever created. If you are building a Plex or Jellyfin library from Apple content, MKV is the standard container that these systems handle best.
Common Use Cases
- Building a Plex or Jellyfin media library from Apple TV and iTunes M4V content