3.mkv 〈Chrome〉

If you prefer using terminal commands or need to automate the process, you can use the in FFmpeg .

Open MKVToolNix GUI and drag your first file (e.g., 1.mkv ) into the "Source files" section. If you prefer using terminal commands or need

The -c copy flag ensures the streams are copied directly, preserving original quality and speed. 3. Handling Seamless Branching (Blu-rays) If you prefer using terminal commands or need