Image file formats

Modern image formats, for my reference.


WebP image format is supported on most modern browsers. It is what I use on the blog. Notably, things that are not browsers are a bit crap at WebP, so chat programs and feed readers fail to create thumbnails of websites using WebP. Probably they will only support GIF89a until the end of time.


The most futuristic one with reasonable support (i.e. 70% of browsers). Like WebP, many non-browser apps are no good at AVIF; but that won’t stop me. I’m not being paid to ark around their deficiencies.

Fringe options

JPEG2000, bpg

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