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XnView MP vs Fotocx: catalog facts
XnView MP	Fotocx
Freemium Free for private and educational use. A commercial licence is required for business use.	Free Free and open source under the GPL version 3.
Windows, macOS, Linux	Linux
Reads more than five hundred formats including RAW, HEIC and JPEG XL Batch conversion, renaming and adjustment across whole folders	Editor and collection manager in one program No tracking or advertisements
Closed source Commercial use requires a paid licence	Linux only Small, single-developer project
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.