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WebP Converter vs Image Toolbox: catalog facts
WebP Converter	Image Toolbox
Free Free and open source under GPL-3.0.	Free Free and open source under the Apache-2.0 licence.
Linux	Android
Converts images to WebP Lets users control compression quality	More than 310 filters with shareable custom filter chains Batch processing and format conversion
Linux only	Android only The large feature set can take time to learn
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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