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Public utilities

Tools for worldmakers

Small, focused utilities for Minecraft worlds and assets. The local tools process your files in this browser, without uploading the world to a server.

  • Runs locally Your world is read in this tab.
  • Original untouched Fixes download as a separate copy.
  • Free No account or sign-up needed.

All tools5

Vault Fixer Repair · Minecraft Java

Reset stale vault timing data in structure files or complete Java worlds, keeping everything else.

  • Experimental
  • .nbt structures
  • Zipped worlds
  • World folders
 NBT Doctor Repair · Minecraft Java

Find and reset builder-world leftovers: vault and trial spawner timers, rewarded players, fixed loot seeds and more.

  • Experimental
  • World folders
  • Zipped worlds
  • .nbt, .schem, .litematic
 Turn Off Cheats Repair · Java & Bedrock

Turn off cheats, clear the Bedrock achievement lock and review Survival settings in a separate copy.

  • Experimental
  • World folders
  • .zip & .mcworld
  • level.dat
 Loot Chest Generator Generate · Java 1.21.5 to 26.3

Version-aware give, setblock, minecart and loot commands, with a searchable list of every vanilla loot table.

  • 69 loot tables
  • Item components
  • WorldEdit workflow
 World Contents Finder Reference · Minecraft Java

Search inspected worlds by biome, structure, loot or survival feature, then open the full report.

  • Biomes
  • Structures
  • Survival features