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XL Converter vs ImgCompress: catalog facts
XL Converter	ImgCompress
Free Free and open source under the GPLv3.	Free Free and open source under the GPL-3.0 licence.
Windows, Linux	Web, Self-hosted
Supports JPEG XL, AVIF and JPEGLI encoding Lossless, reversible JPEG to JPEG XL transcoding	Handles more than 70 input formats including HEIC and RAW Local AI background removal with no cloud uploads
macOS build is a deprecated beta Focused on conversion rather than editing	Requires Docker AI background removal runs on CPU, which may be slow on weak hardware
Downloadable app	Self-hosted
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
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 2, 2026

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