How to Pregenerate Your Minecraft World With Chunky

Install Chunky

1. Your world needs Paper or Purpur (Village or Kingdom). Check the Software page.
2. Open Mods and pick the Plugins tab.
3. Search for Chunky, or paste its Modrinth or CurseForge link, and add it.
4. Click Apply to server. The server restarts once to download it, which takes about 1 to 2 minutes.
5. Commands below are typed in game as an operator, or in Console without the leading slash.

Pregenerate

Type in Console, without a slash:

1. chunky radius 3000 sets a 3,000 block radius around 0,0.
2. chunky start begins. chunky pause and chunky continue stop and resume.
3. Progress shows in the console.

Chunkly tips

1. An empty Paper world sleeps after about 12 minutes, which also stops Chunky. Stay online, or run chunky continue after it wakes.
2. Every chunk uses disk, and each plan has a disk limit. Start with a modest radius.
3. Set a world border of the same size so players do not wander past the pregenerated area.
4. Run it when nobody is playing. It uses a lot of CPU.

Modded worlds

Chunky also exists as a Fabric, Forge and NeoForge mod. Add it on Mods → Mods on Kingdom.