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Pictures Converter vs XL Converter: catalog facts
Pictures Converter	XL Converter
Free Free and open source under the GPL-2.0 licence.	Free Free and open source under the GPLv3.
Linux	Windows, Linux
Converts between JPG, PNG, TIFF and PDF in any direction Simple graphical interface with no command line needed	Supports JPEG XL, AVIF and JPEGLI encoding Lossless, reversible JPEG to JPEG XL transcoding
Supports only four formats Very small project with few contributors	macOS build is a deprecated beta Focused on conversion rather than editing
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only	License: GPL-3.0-only
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 October 1, 2026

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