Step-by-step instructions for installing and configuring a Java Edition server across Windows, macOS, Linux, and BSD.
Minecraft Tools ‘n Stuff
Server start parameters, official docs & downloads, and world management tools.

Tutorial: Setup a Server
Follow the official wiki walkthrough and use these common JVM flags to start your Java server.
Adjust memory (-Xmx
/-Xms
) and the JAR filename to match your version.
java -Xmx1G -Xms1G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:G1HeapRegionSize=32M -jar server.1.21.4.jar nogui
Official Docs & Downloads
Buy, play, and manage your account. Get the launcher and news.
Community-run, comprehensive reference for everything Minecraft.
Official wiki tutorial for hosting your own Java Edition server.
Grab the latest Java server .jar from Minecraft.net.
Official Bedrock Dedicated Server for Windows and Ubuntu.
World Management Tools
These are especially useful for admins. Always back up your world before editing.

Online utility for combining resource packs safely.

Low-level NBT editor for inspecting and modifying world data.

Select, delete, or prune chunks in your world to shrink size or fix issues.

Open-source world converter (e.g., Java ↔ Bedrock). Free and up to date.