A good seed map viewer will let you choose which platform (Bedrock or Java) and version (1.20, 1.22, and so on) of Minecraft you're playing on to account for the variations in how seeds work from ...

You can grab both maps and give one to a friend or store the other for safekeeping. For more on Minecraft, don't miss how to get a few hard-to-find items, such as Honeycomb and a Saddle.

You may need a map for various purposes, like losing the one you get when you first start the game. In any case, here’s how to make a map in Minecraft.