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How to Set Up Dynmap on a Minecraft Java Server

Dynmap creates an interactive web map of your Minecraft server that you can open in a browser — similar to Google Maps for your world.

Warning

Dynmap requires its own port for the web server. Do not use your server's default port!

Step 1: Install the Mod/Plugin

  1. Download mod
    Download Dynmap for your server version.

    • For Fabric/Forge: Download the mod version and place it in the mods folder.
    • For Paper/Spigot/Bukkit: Download the plugin version and place it in the plugins folder.
  2. Restart server
    Restart your server so the config files are created.

Step 2: Open a Port

  1. Open network section
    Open the Network section in your dashboard. There you will find an overview of all available ports.

  2. Choose a port
    Choose an available port and note it down.

Important

Do not use your server's default port! Dynmap requires a separate port.

Step 3: Configure the Config File

  1. Open config file
    Navigate to the Dynmap config file in the file browser.

    • Fabric/Forge: config/dynmap/configuration.txt
    • Paper/Spigot/Bukkit: plugins/dynmap/configuration.txt
  2. Find port line
    Open the file and look for the line:

    webserver-port: 8123
    webserver-port: 8123
  3. Replace port
    Replace 8123 with your chosen port from Step 2.

    webserver-port: YOUR_PORT
    webserver-port: YOUR_PORT
  4. Save changes
    Save the file.

Step 4: Restart the Server

  1. Restart server
    Restart your server for the changes to take effect.

  2. Open the map
    Open the web map in your browser at:

    http://YOUR_SERVER_IP:YOUR_PORT
    http://YOUR_SERVER_IP:YOUR_PORT

Tip

On first start, Dynmap renders the entire world — depending on world size this can take several hours. After that, only changes are re-rendered.