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MuPDF vs miro: catalog facts
MuPDF	miro
Free Free and open source under the AGPL. Commercial licensing is sold separately.	Free Free and open source under AGPL-3.0-only.
Windows, macOS, Linux, Android, iOS, Command line	Windows, macOS, Linux
Extremely fast and small, with accurate rendering The bundled mutool covers most scripted PDF manipulation	Keyboard controls with Vim-like bindings by default Dark mode for the interface and PDFs
The viewer interface is deliberately minimal and keyboard-driven Commercial use of the library needs a paid licence from Artifex	The documented Linux display backends are Wayland and X11.
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 8, 2026

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