Agad5wcaakhtwvu.mkv

: The primary tool for editing, merging, or removing specific tracks (like extra subtitles) and metadata without re-encoding the video.

: It supports an unlimited number of tracks, making it popular for high-quality movies and TV shows that require multiple language options or high-fidelity audio.

: Commonly used to "rip" high-definition content from discs into this exact format.

: MKV often contains lossless or high-bitrate video, making it larger than standard .mp4 files but superior in visual fidelity.