ModpacksJava
NBT Toolbox
Java modpack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
NBT Toolbox is a modpack focusing on debugging minecraft, if you are someone who likes to make custom items, if your making a server, or even if you want to test out your own mods/plugins/datapacks this is the modpack for you!
do /nbtedit to use the nbt editor mod
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- 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.
File checked by MCModsHub
- Downloads as NBT Toolbox 1.0.0.mrpack
- Download size: 2.7 MB
- Download link checked 10 Oct 2026 — working
These come from our own check of the pack file, not from the source page.