Bedrock Calculator

Find your exact overworld coordinates by reading the bedrock pattern at the bottom of the world.

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Bedrock Calculator

Find your exact overworld coordinates by reading the bedrock.

Bedrock Calculator is a client-side mod that determines your precise X/Z position from the bedrock pattern at the bottom of the world. The lowest bedrock layer generates in a deterministic pattern, so a small sample is enough to recover where you are — no need to track coordinates manually in survival.

How it works

  • Open the in-game GUI and mark out the bedrock vs. air blocks on the 6×7 grid.
  • Fingerprint the pattern against the world's bottom layer.
  • Recover the seed data and sample the noise.
  • Project the result into exact overworld coordinates — instantly.

Everything runs locally on your client. Open the interface any time with the /bedrock command.

Installation

Requires Fabric Loader, Fabric API, and Java 21+. Place the downloaded jar file in your mods folder alongside Fabric Loader.