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mcat vs viu: catalog facts
mcat	viu
Free Free and open source under the MIT licence.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Views images, video, Markdown, PDF and Office files in one command Available through cargo, Homebrew, AUR, Nix and Scoop	Native protocol support for iTerm and Kitty gives sharper image rendering than plain ASCII Written in Rust, so it is fast and has a small footprint
Output quality depends on the terminal's graphics support Command line only	Best image quality depends on using a terminal that supports its native protocols Command-line only, aimed at developers comfortable with a terminal
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
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 2, 2026	Official website Full listing and sources Checked September 22, 2026

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