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QuickTime Player vs KMPlayer: catalog facts
QuickTime Player	KMPlayer
Free Included with macOS at no extra cost.	Free Free to download and use.
macOS	Windows, macOS
Already installed on every Mac Records the screen, camera or microphone	Built-in codecs for most formats Plays 4K and 3D video
Mac only Editing tools are very basic	Closed source Little detail available from the official site about current features
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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