If you want to yourself, here are common options:
Reality: While MKV supports more advanced features (like chapters and multiple subtitle tracks), MP4 is hardware-accelerated on nearly every device (iPhone, PlayStation, Smart TV). For direct playback without transcoding, MP4 is often better . ssis951mp4 better
| Tool | Use | |------|-----| | | Check real resolution, bitrate, codec, and encoding library | | ffmpeg -i | View stream details and verify if claimed 4K is native or upscaled | | VLC Codec Info | Real-time playback stats | If you want to yourself, here are common