NBTApi
Just a mod for reading and writing NBT data in level.dat with open source code.
It is not useful on its own and is only needed for use in other mods.
The mod automatically scans your worlds to find level.dat, so by downloading this mod, you agree that it will do this with your worlds.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.20.2, 1.20.3
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as nbtapi-1.0.0.jar — drop this file into the mods folder
- Download size: 29 KB
- Download link checked 20 Aug 2026 — working
These come from our own check of the pack file, not from the source page.