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