Why “libjxl” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
One thing you can try is reducing the encoder effort: libjxl produces something like 5% larger files, but at 3-6x faster encoding speed, if you turn it down from 7 (default) to…
by yhjc2692 · Oct 18, 2026
Yes. My understanding is that AV1 encoders have been continuously improving, while JPEG XL lost a lot of drive and manpower for a couple of years since its future on the web bec…
by F3nd0 · Oct 17, 2026
The benchmark[1] (HN discussion [2]) I read from about 2.5 years ago came to roughly the opposite conclusion. JPEG XL dominated practically all other image formats on compressed…
by GrantMoyer · Oct 17, 2026
> We can now hopefully wait for better encoder. Or even better, participate in improving it. The reference encoder is, I believe, in the libjxl repository[1]. Much of the recent…
by mdf · Oct 17, 2026
That's actually the default behavior for libjxl cli: encoding and then decoding jpeg via jxl produces a file bit identical to the original jpeg file. Try it: run cjxl › djxl and…
by farlight · Oct 17, 2026
> For screenshots and illustrations, AVIF is much better than JPEG XL. Have you tried encoding with JPEG XL’s modular mode? By default, libjxl only uses it for lossless and I ha…
by F3nd0 · Oct 17, 2026
Interest
Proportion of Hacker News items mentioning "libjxl" over time.
Mentions
Total number of Hacker News items mentioning "libjxl" over time.