HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a unique handheld scanner item to enhance exploration by detecting nearby caves and dungeons underground. Players can easily find hidden hollow areas using vibration feedback through sounds and particles, making survival and adventure gameplay more immersive and exciting.
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.
Verified by MCModsHub
- Ships as HollowScanner-1.0.0.jar — drop this file into the mods folder
- Download size: 10 KB
- Download link checked 22 Aug 2026 — working
These come from our own check of the pack file, not from the source page.