CraftBukkit-Translator is a program to translate CraftBukkit from Spigot to Mojang mappings. This helps save a lot of time and human errors switching from Spigot to Mojang mappings.
In the working directory you need to add the "bukkit_srg.srg". CraftBukkit download and preparation is automatic.
You need to have Go installed. (Download: https://go.dev/dl/)
Clone the source project and execute go build in the project directory.