
Format
A plugin (and now MOD) that will help you with data pack creation. It can generate NBT and JSON advancement areas with a world edit-like tool.
Screenshots

About this Mod
New project link -> https://modrinth.com/mod/format2.0
Format tool
With this tool, you can generate an NBT area or JSON advancement area.
Have you ever thought it annoying to sit and count to make NBT select areas, now you can automatically generate them with this tool!
Commands
- /formattool - This will give you the tool to select the area. (Will only work in creative)
- /format nbt or json - It will give you a formatted NBT selector or JSON.
For example "[x=0,y=0,z=0,dx=0,dy=0,dz=0]". If you left click the message in the chat you will copy it to your clipboard
Tool
With the tool you can left and right click to get the area. Exactly like world edit
Looking for a server?
Available Versions
How to Install Format on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set bukkit Loader
In the panel under "Egg", select the bukkit loader and matching Minecraft version (1.21.3).
Install Mod
Open the mod browser in the dashboard and search for "Format". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.3, 1.21.2, 1.21.1 (+8 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Format server crashes on startup – what to do?
Most common cause: wrong bukkit version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.3). You can switch loaders with one click in the panel.
Is Format compatible with bukkit and fabric and paper and spigot?
Format officially supports bukkit, fabric, paper, spigot for Minecraft 1.21.3, 1.21.2, 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Format – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Format consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Format with just one click on your server.