LIHA Tools

MOV / M4V to MKV Converter

Convert MOV / M4V video to MKV in a browser-only batch. Files, streams, metadata, and results are never uploaded.

Files stay in this browser tab and are never uploaded. Up to 250.0 MiB per file and 10 files.

Common output settings

Advanced video, audio, and stream settings

Lower CRF values preserve more detail and usually create larger files.

The private batch workspace is ready. Video encoding becomes available after the verified browser engine is loaded.

How MOV / M4V to MKV conversion works

MOV / M4V probe and decode → stream-aware conversion → MKV verify

Reading MOV / M4V

MOV and M4V input is read from compatible QuickTime or ISO media containers and every unsupported stream is disclosed.

Creating MKV

MKV output uses VP9 and Opus with compatible Matroska chapters and text subtitles.