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KMPlayer vs VLC media player: catalog facts
KMPlayer	VLC media player
Free Free to download and use.	Free Free software from a non-profit; there is no paid tier and no advertising in the player.
Windows, macOS	Windows, macOS, Linux, Android, iOS
Built-in codecs for most formats Plays 4K and 3D video	Plays an unusually wide list of codecs and containers out of the box, including MPEG-1/2, H.264, H.265, VP8/VP9… No spyware, no advertising and no user tracking, stated on the project feature page
Closed source Little detail available from the official site about current features	The stable desktop line is still 3.0.23; the 4.0 interface rewrite has not shipped The interface is functional rather than modern, and advanced options are buried in preference dialogs
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
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 20, 2026

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