Absolutely. Simply unscrewing the Huffman stage from the bottom of JPEG and replacing it with a more effective, modern lossless stage kills webp's gains and does not incur in generation loss - the image is pixel accurate to the source jpeg.
You'll probably know this already, but Brunsli made it into the JPEG XL standard. I'm quite happy about it!
You'll probably know this already, but Brunsli made it into the JPEG XL standard. I'm quite happy about it!