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Converseen vs PhotoResizerOK: catalog facts
Converseen	PhotoResizerOK
Free Free and open source; donations accepted.	Free Freeware.
Windows, macOS, Linux	Windows
Converts and resizes whole batches of images at once Supports over 100 image formats	Batch image resizing and format conversion Supports RAW images
Not a full image editor, only batch operations PDF conversion needs extra setup according to the help pages	Windows only
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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