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XL ConverterConverseen
Free

Free and open source under the GPLv3.

 Free

Free and open source; donations accepted.

Windows, Linux Windows, macOS, Linux
  • Supports JPEG XL, AVIF and JPEGLI encoding
  • Lossless, reversible JPEG to JPEG XL transcoding
  • Converts and resizes whole batches of images at once
  • Supports over 100 image formats
  • macOS build is a deprecated beta
  • Focused on conversion rather than editing
  • Not a full image editor, only batch operations
  • PDF conversion needs extra setup according to the help pages
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-only License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 23, 2026

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