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PicView vs qView: catalog facts
PicView	qView
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the GPL.
Windows, macOS	Windows, macOS, Linux
It opens almost every image format including animated WebP and GIF, SVG, AVIF, HEIC, PSD and comic book…	Opens essentially instantly, which is what a double-clicked image needs No interface chrome; the window is the image
It is a viewer with light editing only, and there is no Linux build.	No editing, tagging or library management at all Metadata display is minimal
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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 September 21, 2026

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