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Chunky pre-generates chunks for your server, reducing CPU usage and lag spikes since players move through already-generated chunks.

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Installation

Bukkit-based servers:
  • Download from SpigotMC
  • Place the JAR in the plugins folder
  • Restart your server
Forge or Fabric servers:
  • Download from CurseForge or Modrinth
  • Place the JAR in the /mods folder
  • Restart your server

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Usage

Pre-generation increases world size. Check onlinemo.de/world to calculate size. Always backup your server first.
Basic commands:
  • /chunky radius <size> - Set radius to pre-generate
  • /chunky center <x> <z> - Set center point (default is usually fine)
  • /chunky start - Start generation
  • /chunky pause - Pause generation
  • /chunky resume - Resume generation
  • /chunky stop - Stop generation
  • /chunky status - Check progress
See Chunky’s documentation for more commands.

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Example

Pre-generate a 5000x5000 chunk area centered at 0,0:
  • /chunky radius 5000
  • /chunky center 0 0
  • /chunky start
Large radius values can take hours. You can play while it runs, but expect some lag. Best to start it overnight.
Need help? Ask in our Discord.