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XL Converter vs WebP Converter: catalog facts
XL Converter	WebP Converter
Free Free and open source under the GPLv3.	Free Free and open source under GPL-3.0.
Windows, Linux	Linux
Supports JPEG XL, AVIF and JPEGLI encoding Lossless, reversible JPEG to JPEG XL transcoding	Converts images to WebP Lets users control compression quality
macOS build is a deprecated beta Focused on conversion rather than editing	Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	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 October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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