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XnResize vs FastStone Photo Resizer: catalog facts
XnResize	FastStone Photo Resizer
Free Free to download and use as freeware.	Free Free for personal and educational use.
Windows, macOS, Linux	Windows
Resizes whole folders in one pass Wide format support including RAW and HEIC	Batch conversion and renaming in one tool Reads HEIC and WebP
Limited to resizing and format conversion Closed source	Windows only Free licence covers personal and educational use only
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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