ModsJava
ChestSignLocker
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on SpigotChestSignLocker
Protect your chests with a simple sign. No commands, no complex setup — just place a wall sign on any chest and it's locked to you instantly.
How to use
Place any wall sign on a chest. It will automatically display [Protected] with your name, and no other player will be able to open it, break it, or steal from it using hoppers.
To remove the protection, simply break the sign or the chest yourself.
Features
Protect your chests with a simple sign. No commands, no complex setup — just place a wall sign on any chest and it's locked to you instantly.
How to use
Place any wall sign on a chest. It will automatically display [Protected] with your name, and no other player will be able to open it, break it, or steal from it using hoppers.
To remove the protection, simply break the sign or the chest yourself.
Features
- Single and double chest support
- Protection extends automatically when you expand a single chest into a double chest
- Hopper and Hopper Minecart theft prevention
- Server broadcast when a player attempts to steal from a protected chest
- Protection data saved to disk — survives server restarts
- No commands required
- Lightweight — no dependencies
- Minecraft 1.21+
- Paper / Spigot
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- 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 Spigot — 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.
ChestSignLocker is a free Minecraft Java mod. Compatible with Minecraft 1.21. Downloaded 23 times (via Spigot). Download it and open it directly in the game.