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Resizer vs NConvert: catalog facts
Resizer	NConvert
Freemium Lite edition is free; a Pro licence is sold on the den4b site.	Freemium Freeware for private use; commercial use requires a business licence from 100 euros plus…
Windows	Windows, macOS, Linux, Command line
Simple drag-and-drop batch workflow Fit, fill and crop, or stretch resize modes	Reads more than 500 image formats and writes about 70 More than 80 commands for transforms, adjustments, filters and metadata
Windows only Limited to BMP, GIF, PNG, JPEG and TIFF	Commercial use requires a paid licence No graphical interface; XnConvert is the GUI equivalent
Downloadable app	Downloadable app
Closed source	Closed source
License: CC-BY-NC-ND-3.0	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.