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XnResize vs Converseen: catalog facts
XnResize	Converseen
Free Free to download and use as freeware.	Free Free and open source; donations accepted.
Windows, macOS, Linux	Windows, macOS, Linux
Resizes whole folders in one pass Wide format support including RAW and HEIC	Converts and resizes whole batches of images at once Supports over 100 image formats
Limited to resizing and format conversion Closed source	Not a full image editor, only batch operations PDF conversion needs extra setup according to the help pages
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-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 September 23, 2026

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