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A comment on JPEG XL against AVIF tested on ImageEngine. Parent comment

Re:JPEG XL against AVIF tested on ImageEngine by tambourine_man on Sunday June 11, 2023 @05:04PM (#36285659)
Not if you use MozJPEG and a decent PNG compressor, like ECT, OxiPNG, PNGCrush, etc.

Time and time again an article pops up showing how marginal the difference is, if at all.

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Re:JPEG XL against AVIF tested on ImageEngine by JyrkiAlakuijala on Monday June 12, 2023 @08:14AM (#36292216)
if you use an optimal strategy to compress PNGs, WebP lossless is still 26 % more dense

if you take usual PNGs from the wild, WebP lossless is 42-45 % more dense

disclaimer: I'm a co-author of Zopfli and ZopfliPNG, and usually best PNG optimizers are based on Zopfli. I'm also the author of WebP lossless.

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