CrackerX

Fabric mod for finding seeds of multiplayer or singleplayer worlds.

Minecraft 1.21.8 Fabric v2.15.4-crackerx
Download CrackerX.jar

Requires Fabric Loader and Fabric API for 1.21.8. Place the jar in your mods folder. Personal use only, not for redistribution or sale.

CrackerXSeedCore

Standalone command-line tool: from-scratch dungeon seed reversal proof of concept. Runs independently, no Minecraft required.

Java 21+ CLI / runnable jar Brute-force PoC
Download CrackerXSeedCore.jar

Run with java -jar CrackerXSeedCore.jar help to list commands (demo, parallel, multi, ...). Bounded / 32-bit brute-force demonstration, not a full 48-bit cracker. Personal use only.