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SMPlayer vs mpv: catalog facts
SMPlayer	mpv
Free Free and open source under the GPL 2.0.	Free Free software with no paid version.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Remembers position, audio track and subtitles per file mpv and MPlayer engines, so format coverage is excellent	High quality video output through OpenGL, Vulkan and D3D11, with scaling, colour management, frame timing… Hardware decoding on most platforms, switchable at runtime with --hwdec
The interface is dated Qt and skins only go so far Two engines means two sets of quirks when something misbehaves	There is no real graphical interface, only a small on-screen controller over the video Configuration means editing mpv.conf and input.conf by hand
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0-or-later
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 20, 2026

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