Calibre 9.17 has been released with faster ebook conversion speeds and JPEG XL image support. The open-source ebook editor improves output compression speeds for MOBI, AZW3 and PDB files, which makes conversions to those formats quicker. Converting EPUB to MOBI is what I use Calibre for to read on my ancient Kindle. Calibre 9.17 can read JPEG XL images in eBooks and other supported documents during conversions. The format offers high image quality at smaller file sizes and supports features like HDR. JPEG XL is not new, but its popularity (and browser support) is on the up. Accessibility improvements see […]

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