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Resizer vs FastStone Photo Resizer: catalog facts
Resizer	FastStone Photo Resizer
Freemium Lite edition is free; a Pro licence is sold on the den4b site.	Free Free for personal and educational use.
Windows	Windows
Simple drag-and-drop batch workflow Fit, fill and crop, or stretch resize modes	Batch conversion and renaming in one tool Reads HEIC and WebP
Windows only Limited to BMP, GIF, PNG, JPEG and TIFF	Windows only Free licence covers personal and educational use only
Downloadable app	Downloadable app
Closed source	Closed source
License: CC-BY-NC-ND-3.0	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.