Compare software

XL Converter vs XnView MP: catalog facts
XL Converter	XnView MP
Free Free and open source under the GPLv3.	Freemium Free for private and educational use. A commercial licence is required for business use.
Windows, Linux	Windows, macOS, Linux
Supports JPEG XL, AVIF and JPEGLI encoding Lossless, reversible JPEG to JPEG XL transcoding	Reads more than five hundred formats including RAW, HEIC and JPEG XL Batch conversion, renaming and adjustment across whole folders
macOS build is a deprecated beta Focused on conversion rather than editing	Closed source Commercial use requires a paid licence
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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