A smithing table is a toolsmith's job site block that generates in villages. It can be used to upgrade diamond gear into netherite gear. The UI for the smithing table.

How does a smithing table work?

A smithing table has two functions in Minecraft, to upgrade gear from diamond to netherite and acts as a jobsite block for the toolsmith. Toolsmiths are useful as they will convert mined items into emeralds as well as provide enchanted diamond axes, pickaxes, and shovels.

Do smithing tables keep enchantments?

The smithing table can also preserve enchantments, but it comes at a potentially heavy level cost.