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

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