MKV to MP4 Converter
Convert MKV to MP4 online free. Free MKV to MP4 converter — turn Matroska (.mkv) into H.264 MP4 with adjustable quality, no server upload.
First run downloads FFmpeg (~25 MB) once in this browser. Need MP4 instead? Try /mkv-to-mp4.
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Convert MKV to MOV online free. Free MKV to QuickTime converter — turn Matroska (.mkv) into QuickTime .mov with adjustable quality, no server upload.
Convert MKV to MOV online
Upload a .mkv file and download a QuickTime-compatible MOV.
MKV to QuickTime
Turn Matroska video into QuickTime .mov for Mac and Apple editors.
Adjustable output quality
Tune H.264 CRF to balance visual quality and MOV file size.
No server upload
FFmpeg WebAssembly processes video on your device for better privacy.
Editor-friendly output
MOV container with H.264 and AAC for common macOS and NLE workflows.
Simple download flow
Download the converted MOV as soon as processing finishes.
Upload MKV file
Drop or select your .mkv video (up to 200 MB).
Set quality (CRF)
Keep the default CRF 23 for balanced quality, or lower CRF for sharper output.
Convert and download
Click Convert to MOV, then download the result.
Final Cut and iMovie
Prepare MKV footage as MOV for Apple video editing apps.
macOS workflows
Use QuickTime-friendly MOV files on Mac without re-wrapping elsewhere.
Client deliverables
Deliver MOV when a project spec asks for QuickTime instead of MKV.
Anime and TV rips
Convert Matroska episodes to MOV for Mac players and editors.