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

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