Why “avif” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
4:2:0 chroma subsampling might be useful for compatibility. So, sticking with 4:4:4 might or might not be ideal. There are codecs such as H.264, where using 4:4:4 substantially…
by objectcode · Oct 16, 2026
I've found AVIF to be very effective at screenshots with lossy compression. Text has lots of edges, hard transitions between bright and dark areas. So text requires lots of high…
by watersb · Oct 16, 2026
If you're working with images that need to be lossless or are simple in color diversity, WEBP is probably still a better choice (though not by a large margin). The biggest issue…
by Metricon · Oct 16, 2026
But why does missing JXL support make the AVIF too small? It ends one pixel before the gray background.
by CodesInChaos · Oct 16, 2026
Concrete example. Let's say GitHub will add AVIF support at some point (it's not yet handled well by the site as you can notice[1]. You as user can then upload AVIF images to wh…
by shmerl · Oct 16, 2026
> AVIF images have a max size of 8192x4352 This isn't true btw. The format supports up to 64k x 64k, although browser decoders currently fail beyond 16k x 16k. Not sure when you…
by jaffathecake · Oct 16, 2026
Interest
Proportion of Hacker News items mentioning "avif" over time.
Mentions
Total number of Hacker News items mentioning "avif" over time.
AV1 Image File Format is an open, royalty-free file format specification for storing images or image sequences compressed with AV1. Read more on Wikipedia