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Image Toolbox vs WebP Converter: catalog facts
Image Toolbox	WebP Converter
Free Free and open source under the Apache-2.0 licence.	Free Free and open source under GPL-3.0.
Android	Linux
More than 310 filters with shareable custom filter chains Batch processing and format conversion	Converts images to WebP Lets users control compression quality
Android only The large feature set can take time to learn	Linux only
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
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 2, 2026	Official website Full listing and sources Checked October 8, 2026

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