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FastStone Photo Resizer vs XnResize: catalog facts
FastStone Photo Resizer	XnResize
Free Free for personal and educational use.	Free Free to download and use as freeware.
Windows	Windows, macOS, Linux
Batch conversion and renaming in one tool Reads HEIC and WebP	Resizes whole folders in one pass Wide format support including RAW and HEIC
Windows only Free licence covers personal and educational use only	Limited to resizing and format conversion Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
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.