JPEG XL is unique in that the smallest possible file is not 1 by 1 but 8 by 8 du... | Hacker News

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lifthrasiir on Jan 6, 2024 | parent | context | favorite | on: What's the smallest file size for a 1 pixel image?

JPEG XL is unique in that the smallest possible file is not 1 by 1 but 8 by 8 due to the header encoding [1].

[1] https://twitter.com/jonsneyers/status/1381894108067868672

scorpio241 on Jan 6, 2024 [–]

Here he writes https://twitter.com/jonsneyers/status/1378055527771602945

> a single pixel jxl image is 19 to 20 bytes depending on the color

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