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Also nearly all Apple devices should now be able to also convert JPEG-XL: https://www.theregister.com/2023/06/07/apple_safari_jpeg_xl/ >Google snubbed JPEG XL so of course Apple no…

One is theory, second is practice. Here is some discussion about this patent: https://encode.su/threads/3863-RANS-Microsoft-wins-data-enco...

Also it seems it has unresolved patent issue: https://www.theregister.com/2022/02/17/microsoft_ans_patent/

https://www.phoronix.com/scan.php?page=news_item&px=FFmpeg-J...

There is this JPEG XL art gallery with very nice images 20-100 bytes e.g.: https://jpegxl.info/art/2021-04_jon.html To see them, enable flag in chrome: chrome://flags/#enable-jxl

Arithmetic coding encodes into range, ANS into single natural number. BTW, JPEG XL on ANS just got standardized.

"The JPEG XL Image Coding System (ISO/IEC 18181) has a richer feature set than existing codecs and can deliver images with similar quality at a third of the size of widely used alt…