As a big fan of https://solar.lowtechmagazine.com/ I spent some time learning about image dithering and wrote a small CLI tool I'm quite happy with :D I really love Go's image standard library! https://github.com/cbrgm/go-dither #Go #development
LOW←TECH MAGAZINE

Low-tech Magazine refuses to assume that every problem has a high-tech solution. A simple, sensible, but nevertheless controversial message; high-tech has become the idol of our society.

LOW←TECH MAGAZINE
In case you're looking for a module https://github.com/esimov/dithergo might be way better :D
GitHub - esimov/dithergo: Various dithering algorithms implemented in Go

Various dithering algorithms implemented in Go. Contribute to esimov/dithergo development by creating an account on GitHub.

GitHub