: If you need to trim or rotate the video, FFmpeg is a powerful command-line tool that can handle these tasks without re-encoding the entire file, preserving original quality.
: Use Handbrake to reduce file size without losing significant visual quality.
: For local playback, tools like VLC Media Player or Plex are highly recommended for organizing media libraries. Optimization :
: The .mp4 format using the H.264 codec is the industry standard for high compatibility across Mac, Windows, and Linux .