PacketInspector
A powerful in‑game tool for viewing and analyzing Minecraft network packets, complete with filtering, history, and NBT inspection.
⬇ Download on Modrinth
PacketInspector
PacketInspector is a developer‑focused in‑game tool for analyzing Minecraft’s client‑side network packets.
It provides real‑time packet monitoring, structured field inspection, NBT viewing, and raw Java/JSON representations to support debugging and protocol research.
Features
- Live packet stream with filtering and history
- Detailed field inspection for record and classic packets
- Built‑in NBT and ItemStack component viewer
- Raw Java and JSON editing modes
- Packet replay for development and testing workflows
Usage
| Key / Action | Function |
|---|---|
| F6 | Open Packet Inspector Overlay |
| Right Click | Open Context Menu |
| Shift + Scroll | Fast scroll through the packet list |
Purpose
PacketInspector is designed for mod developers and protocol researchers who need a clear, structured view of client‑side packet data during development.
Notes
Usage should always comply with server rules.
Licensed under MIT.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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.
- Ships as apacketinspector-1.1.0.jar — drop this file into the mods folder
- Download size: 93 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.