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[–] 91 points 1 year ago (4 children)

JPG-XL crying in the corner.

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  • [–] 14 points 1 year ago* (last edited 1 year ago) (2 children)

    If Jpeg-XL was backwards compatible with older clients, it would probably take off. Like if the format embedded a standard jpeg image in the front readable by older clients, and then enhanced it with additional data at end of file readable by Jpeg-XL clients.

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  • [–] 26 points 1 year ago (1 child)

    That'd just be overall worse, it'd never be smaller than a comparable JPEG image, and it wouldn't allow for any compression/quality benefits.

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  • [–] 7 points 1 year ago

    You could compress the hell out of the traditional jpeg codec/layer part of the image. It’d be there for backwards compatibility. It only has to be readable by older clients and “acceptable” quality.

    See “49kb” example here — totally acceptable image quality for backwards compatibility.

    https://res.cloudinary.com/thewebmaster/image/upload/c_scale,f_auto,q_auto,w_1250/images/blog/jpeg-images-definitive-guide/JPEG_Quality_vs_Size.png

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