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KMPlayer vs MPC-BE: catalog facts
KMPlayer	MPC-BE
Free Free to download and use.	Free Free and open source under the GPL version 3.
Windows, macOS	Windows
Built-in codecs for most formats Plays 4K and 3D video	Plays almost any audio or video format without hunting for codec packs Very small and starts instantly compared with modern players
Closed source Little detail available from the official site about current features	Windows only Requires an SSE2 CPU and a DirectX 9.0c card with Pixel Shader 3.0
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.