this post was submitted on 20 Sep 2025
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[โ€“] fdnomad@programming.dev 1 points 1 week ago (1 children)

The website mentions

Migrating to JPEG XL reduces storage costs because servers can store a single JPEG XL file to serve both JPEG and JPEG XL clients.

Does anyone know how that works?

[โ€“] Dumhuvud@programming.dev 1 points 1 week ago

I assume, decoding it on the fly? It's possible to encode a JPEG as a JPEG XL losslessly.