Convert QT to MKV — Free Online Converter
Convert QuickTime (.qt) to Matroska Video (.mkv) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
About MOV to MKV Conversion
MKV (Matroska Video) is an open-source container format that can hold virtually unlimited numbers of video, audio, subtitle, and metadata tracks in a single file. Named after Russian matryoshka nesting dolls, it's the most flexible multimedia container available. Converting QT to MKV moves content from Apple's proprietary container into an open standard that excels at preserving complex multimedia structures without codec transcoding.
Why Convert MOV to MKV?
MKV accepts nearly every codec in existence, meaning QT content can often be remuxed (repackaged without re-encoding) for zero quality loss and near-instant conversion. MKV also supports unlimited subtitle tracks, multiple audio languages, chapter markers, and rich metadata — features that QT handles inconsistently. For archival and multi-language content, MKV is the superior container.
Common Use Cases
- Preserving QT files with multiple audio tracks (commentary, languages) in a single container
- Archiving QT content in a future-proof open container with rich metadata