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Converseen vs WebP Converter: catalog facts
Converseen	WebP Converter
Free Free and open source; donations accepted.	Free Free and open source under GPL-3.0.
Windows, macOS, Linux	Linux
Converts and resizes whole batches of images at once Supports over 100 image formats	Converts images to WebP Lets users control compression quality
Not a full image editor, only batch operations PDF conversion needs extra setup according to the help pages	Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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.