Java Server Tools
37 free browser tools for running a Minecraft Java server: build the config files, generate admin commands, design the MOTD and read a crash log. Every tool runs in your browser — nothing is uploaded.
Setup & configuration
Everything you edit before the first start.
server.properties GeneratorBuild a valid server.properties with every option explained.
MOTD GeneratorDesign the message players see in the server list, with colours.
eula.txtGenerate the EULA file the server refuses to start without.
Start ScriptA start script with the right flags for Windows or Linux.
RAM & JVM FlagsJVM flags sized to your player count, not copied from a forum.
plugin.ymlWrite a plugin.yml with commands and permissions.
Proxy ConfigVelocity or BungeeCord config for a multi-server network.
All Config GeneratorsEvery config file in one tool.Admin commands
Build the command, copy it, paste it in console.
/opGrant operator status.
/deopTake operator status away.
/whitelistTurn the whitelist on and manage who is on it.
/banBan a player with a reason that is actually shown.
/ban-ipBan an address instead of a name.
/banlistRead the ban list without opening the file.
/pardonUndo a ban.
/kickRemove a player for this session.
/transferMove a player to another server in the network.
All Admin CommandsTwelve admin commands in one builder.World rules & difficulty
What the world lets players do.
/gameruleSet any game rule without memorising its name.
Gamerules ReferenceEvery game rule, what it does and its default.
/difficultyChange difficulty from the console.
Difficulty & Game Mode ReferenceWhat each difficulty and game mode actually changes.
World Border PlannerPlan a border size and the commands to set it.
/worldborderBuild the border command, including warnings and shrink time.Branding & chat
How the server looks and talks.
Server Icon ConverterTurn any image into the 64x64 PNG the server list needs.
Gradient Text GeneratorMulti-colour text for a MOTD, rank prefix or scoreboard.
MiniMessage ViewerSee what MiniMessage renders as before you ship it.
Rank Badge MakerA rank badge PNG with an item icon and your own colours.
/sayBroadcast a message to every player and the console./tellrawRich chat messages with colours, scores and click actions.
Server Text StudioAll the text tools in one place.Running & diagnosing
When it will not start, or will not stay up.
Server DiagnosticsRead a crash log and find out why it stopped, in your browser.
/debugProfile server performance and trace a function run.
Server Management APIExample request and response payloads for the management API.
/setidletimeoutKick idle players automatically.
/publishOpen a single-player world to the local network.
Server Setup ToolsMOTD and server.properties together.Looking for something else? Browse all Minecraft tools — skins, commands, data packs, calculators and more.