AVIF and WEBP formats give pretty good compression : https://squoosh.app/editor https://squoosh.app/editor * original colourful image : https://homebrewserver.

AVIF and WEBP formats give pretty good compression : https://squoosh.app/editor https://squoosh.app/editor * original colourful image : https://homebrewserver.club/images/lime2.png https://homebrewserver.club/images/lime2.png * dithering/PNG on this site : 34 kB * AVIF (quality 16 for similar "readability") : 21 kB * WEBP (quality 16 for similar "readability") : 24 kB But the "nice dithering style" is lost in the process, obviously.