Every world has a seed. We crack it.
SeedCrackerX reverse-engineers the world seed from the structures already standing in front of you — no external tools, no guessing.
(a) — features
Structure-based cracking
Igloos, desert pyramids, shipwrecks and more each leak bits of the world seed. Collect enough and the seed snaps open.
Overworld · Nether · End
Crack across all three dimensions — buried treasure, end pillars, decorators and structure salts all feed the same solver.
Config GUI
Run /seedcracker gui to toggle which features are collected, reset progress and tune the cracker per Minecraft version.
Seed database sheet
Optionally submit seeds cracked on 10+ player servers to the shared public spreadsheet of server seeds.
Cracked server seeds are collected in the public sheet.
(b) — install
Three steps to a cracked seed.
Put the .jar in .minecraft/mods/ or your instance folder.
Launch and open /seedcracker gui.
(c) — downloads
1.21.x builds only
Latest: v2.15.6 for Minecraft 1.21.11.