One of the best things about QC Media Player is how lightweight it is. When running, it is not very heavy on computer resources. It does not hog RAM or tax the processor too much while it is on, making it a great choice for users with low-end computers. KMPlayer supports a wide range of file formats such as 3G2, 3GP, AVI, FLV, MKV, MOV, MPEG, MP3, MP4, OGM, RM, TS, WEBM, and WMV. In addition to the large selection of file formats, QC Media Player is also capable of high-quality playback with support for resolutions like 4K, 8K, 60FPS, and UHD.