3.mkv

Right-click the file you just added and select "Append files" . Select the remaining parts (e.g., 2.mkv and 3.mkv ) in their correct sequential order.

The -c copy flag ensures the streams are copied directly, preserving original quality and speed. 3. Handling Seamless Branching (Blu-rays) Right-click the file you just added and select

Create a text file named inputs.txt containing the file names in order: file '1.mkv' file '2.mkv' file '3.mkv' Use code with caution. Copied to clipboard Run the following command: ffmpeg -f concat -safe 0 -i inputs.txt -c copy output.mkv Use code with caution. Copied to clipboard Copied to clipboard A single, "long piece" MKV

A single, "long piece" MKV file will be created in seconds because no conversion is taking place. 2. Alternative: Command Line with FFmpeg Copied to clipboard A single

If you are working with files ripped from a Blu-ray where a movie is split into several segments, tools like MakeMKV can automatically detect the "segment map" and join them into one continuous file during the ripping process. This is often used for different cuts of a film (e.g., theatrical vs. extended) on the same disc. Compatibility and Playback

This process is generally called , which combines the data streams into a new container without re-encoding, ensuring no loss in video or audio quality. 1. Merging Files with MKVToolNix

To provide a "long piece" (a single, continuous file) from multipart MKV files—such as a film split into three parts like —the most effective method is to "append" or "merge" the files into one.