Source: https://respawn.sh/tools/server-setup

Free, no signup

# Build your server’s starting point
Configuration and launch commands for three games, FiveM resource manifests, and Minecraft world pregeneration planning.

Tool
GameServer namePortPlayer slotsHeap (GB)View radius / distanceWindows
Merge these fields into the server-generated properties file. Accept the Minecraft EULA yourself. Keep authentication enabled for a directly reachable server. Use the startup builder for loader-specific launch commands and Java requirements.

### server.properties · merge with your existing filemotd=My server
server-port=25565
max-players=20
view-distance=8
simulation-distance=6
online-mode=true
white-list=true
enforce-whitelist=true
enable-rcon=false

### Launch commandjava -Xmx4096M -jar server.jar noguiOfficial configuration reference ↗ (https://docs.papermc.io/paper/reference/server-properties/) 

## Built from the server documentation
Each output links to its official reference. Configuration snippets must be merged into the files generated by your installed version. Secrets stay on your machine. These tools do not download software, accept licences, or change a running server.

## Questions

Which games are supported?
Minecraft Java, Hytale and FiveM have configuration and startup outputs. Resource manifests are for FiveM; pregeneration calculations are for Minecraft.
Is anything uploaded?
No. All inputs and outputs in this tool stay in your browser.

## More free tools
Startup command builderBuild a version-aware Java command with explicit memory and garbage collector settings. (https://respawn.sh/tools/startup-command) Config optimiserEdit complete Minecraft, Hytale and FiveM configuration files, and review optional performance suggestions. (https://respawn.sh/tools/config-optimizer) Lag report readerReview measured performance and request AI analysis of Minecraft, Hytale or FiveM reports. (https://respawn.sh/tools/lag-report-reader) MOTD and color code editorStyle your server message and copy it into your server configuration. (https://respawn.sh/tools/motd-editor) Crash log explainerPaste a crash report or latest.log. Get what broke, why, and how to fix it. (https://respawn.sh/tools/crash-log-explainer) RAM calculatorHow much memory your server needs, with the reasoning shown. (https://respawn.sh/tools/ram-calculator) Server status checkerIs a Minecraft or FiveM server online? Version, MOTD, players and icon. (https://respawn.sh/tools/server-status) 

## Build it. Then keep it running.
Connect backups, telemetry and server diagnostics with respawn.sh.

Connect your server (https://auth.respawn.sh/signup) All free tools (https://respawn.sh/tools)