TronKiwi t1_iuanndm wrote on October 29, 2022 at 9:30 PM

Reply to comment by C1ickityC1ack in Google Chrome Is Already Preparing To Deprecate JPEG-XL by leo_sk5

Deprecating something means dropping support for it.

JPEG XL is an extension of the familiar JPEG standard that provides better compression ratios and quality; that is to say, for the same file size, a JPEG XL is going to be much better quality than a JPEG.

This means that JPEGs as we know them are unaffected, but for whatever reason Google appears to have decided that it's not pushing forward the revolutionary JPEG XL, probably in favour of WebP.

Jakanapes t1_iuar3nc wrote on October 29, 2022 at 9:56 PM

In favor of webp? That is a shockingly cynical and completely accurate assumption.

TronKiwi t1_iuargti wrote on October 29, 2022 at 9:59 PM

How do the two compare?

leo_sk5 OP t1_iuas5oh wrote on October 29, 2022 at 10:04 PM

>probably in favour of WebP

I think it would be avif. WebP can't compete with jpeg-xl in terms of feature set. But compared to avif, jpeg-xl allows seamless transition to jpeg (for compatibility), progressive decode, higher bit depth HDR, and ability to use common encode/decode pathways with jpeg.

Active-Beginning3679 t1_iui414s wrote on October 31, 2022 at 2:39 PM

Right. In terms of pure bit rate, jpeg is awful, webp is better, and avif and jpeg-xl are better still. The thing is that avif has a lot of weird quirks due to it being a hack of a video codec: AV1. JPEG-XL is a much better image format just in terms of feature set, definitely better for high quality images. I use avif because it was out first, but I planned to switch to jpeg-xl once browser support was better.