Author says that the BPG version is re-encoded from the MP4, so lower quality is to be expected. Looking at the linked comparison tool[1], it seems that while BPG and WebP both have fewer artefacts than JPEG at a given file-size, BPG seems to achieve this with waaaay too much smoothing. Seriously, check out the engineer&#x27;s eyelids in [1].<p>[1]: <a href="http:&#x2F;&#x2F;xooyoozoo.github.io&#x2F;yolo-octo-bugfixes&#x2F;#production&amp;bpg=s&amp;webp=s" rel="nofollow">http:&#x2F;&#x2F;xooyoozoo.github.io&#x2F;yolo-octo-bugfixes&#x2F;#production&amp;bp...</a>