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Loupe vs feh: catalog facts
Loupe	feh
Free Free, developed as part of the GNOME project and supported by donations.	Free Free and open source under a variant of the MIT licence.
Linux	Linux, Command line
Fits naturally into the GNOME desktop Shows image metadata alongside the picture	Fast and light, usable entirely from the keyboard Slideshow, thumbnail, list and multiwindow modes
Linux only Editing is limited to basic transforms	X11 only Minimal interface with no editing tools
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT-feh
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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