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PhotoQt vs PicView: catalog facts
PhotoQt	PicView
Free Free and open source. The developer asks that you consider donating to humanitarian relief…	Free The software is free under its open-source licence. Hosting, hardware and external…
Linux	Windows, macOS
More than 140 image formats, plus photo spheres, motion photos and Apple live photos Embedded and interactive maps for images with GPS data	It opens almost every image format including animated WebP and GIF, SVG, AVIF, HEIC, PSD and comic book…
Image manipulation is per-session only; it is a viewer, not an editor Some features need extension packages that not every installer includes	It is a viewer with light editing only, and there is no Linux build.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-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 September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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