A big thank-you to

The Fandom Minecraft wiki

for listing the exact anvil rules.

Sunnypwang's Anvil Calculator

for giving me the inspiration to make something bigger.

TrollyLoki's Anvil Calculator

for coming juuust before me and making it easy for me to verify my algorithm results.

GitHub

for hosting this project for me.

Jazillionth

for making unit testing a breeze -- and, yes, this is a shameless plug for one of my own products :)

RealFaviconGenerator

for making it super easy to add favicons to your web pages.

Of course, Mojang

for making Minecraft!

And a very special person

for giving me all the motivation I needed.