CurseForge · Minecraft mod
NBT Helper
NBT Helper is a technical library for working with NBT and CustomData. It does not add game content.
Quick answer
Which NBT Helper release should I use?
NBT Helper nbt_helper-1.0.0-neoforge-1.20.4.jar targets 1.20.4 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is NBT Helper required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does NBT Helper nbt_helper-1.0.0-neoforge-1.20.4.jar need?
nbt_helper-1.0.0-neoforge-1.20.4.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add NBT Helper without breaking your instance.
Built for NBT Helper nbt_helper-1.0.0-neoforge-1.20.4.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use nbt_helper-1.0.0-neoforge-1.20.4.jar. It targets 1.20.4 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside nbt_helper-1.0.0-neoforge-1.20.4.jar. It opens that exact file at the source.
About this project
What does NBT Helper add?
NBT Helper
A technical library for secure work with NBT tags and customData components in Minecraft.
⚠️ Important
This is a dependency library — it does not add blocks, items, or mobs. It is needed as a dependency for other mods (for example, Life Copy).
What's inside
- Secure utilities for reading/writing NBT without crashing the game.
- Ready-made methods for working with
ItemStack' and thecustomData' component. - Minimum unnecessary code, maximum stability.
Compatible with: NeoForge 1.21.4
Project description from CurseForge.
Pick your setup
NBT Helper by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
1 loader build1.21.8
1 loader build1.21.4
1 loader build1.20.6
1 loader build1.20.4
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
NBT Helper versions and loaders
nbt_helper-1.0.0-neoforge-1.20.4.jar
30 Sept 2026
nbt_helper-1.0.0-neoforge-1.20.6.jar
28 Sept 2026
nbt_helper-1.0.0-neoforge-26.2.jar
27 Sept 2026
nbt_helper-1.0.0-neoforge-26.1.2.jar
26 Sept 2026
nbt_helper-1.0.0-neoforge-1.21.8.jar
26 Sept 2026
nbt_helper-1.0.0-neoforge-1.21.4.jar
25 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.