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IrfanView vs qimgv: catalog facts
IrfanView	qimgv
Freemium Free for private, educational and charitable use. A paid licence is required for…	Free Free and open source.
Windows	Windows, Linux
Opens instantly, even on old hardware Batch conversion and renaming across whole folders	Quick copy and move shortcuts for sorting images Configurable themes and shortcuts
Windows only and closed source Commercial use needs a paid licence	Updates may be slow, as the developer states Video support is marked experimental
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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 24, 2026

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