CurseForge · Minecraft mod
Chest Protector
Fabric mod that lets you protect vanilla chests with a numeric PIN.
Quick answer
Which Chest Protector release should I use?
Chest Protector chest-protector-1.0.4-fabric-1.21.1.jar targets 1.21.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Chest Protector 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 Chest Protector chest-protector-1.0.4-fabric-1.21.1.jar need?
chest-protector-1.0.4-fabric-1.21.1.jar. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Chest Protector without breaking your instance.
Built for Chest Protector chest-protector-1.0.4-fabric-1.21.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use chest-protector-1.0.4-fabric-1.21.1.jar. It targets 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 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 chest-protector-1.0.4-fabric-1.21.1.jar. It opens that exact file at the source.
About this project
What does Chest Protector add?

[EN] Chest Protector
Fabric mod that adds PIN-protected vanilla chests.
Features
- Password Protector item with a key-like item texture
- Crafting recipe for the Password Protector
- Creative inventory registration so recipe viewers such as JEI can discover the item
- 1-6 digit numeric PIN GUI
- English and Spanish translations
- Chest and trapped chest support
- Double chest support: protecting either half locks the whole inventory
- Server-side PIN validation
- Owner-only breaking for protected chests
- Hopper insertion and extraction blocked while a chest is protected
- Explosion protection for locked chests, preventing TNT/creeper bypasses
- Client sync for the locked state and owner name without sending the PIN
[ES] Chest Protector
Mod para Fabric que añade protección mediante PIN a los cofres vanilla.
Características
- Objeto Password Protector con una textura similar a una llave.
- Receta de crafteo para el Password Protector.
- Registro en el inventario creativo para que visores de recetas como JEI puedan detectar el objeto.
- Interfaz gráfica para introducir un PIN numérico de entre 1 y 6 dígitos.
- Traducciones al inglés y español.
- Compatible con cofres normales y cofres trampa.
- Compatible con cofres dobles: proteger cualquiera de las dos mitades bloquea todo el inventario.
- Validación del PIN del lado del servidor.
- Solo el propietario puede romper cofres protegidos.
- Se bloquea la inserción y extracción mediante tolvas mientras el cofre esté protegido.
- Protección contra explosiones para cofres bloqueados, evitando que TNT o creepers puedan usarse para saltarse la protección.
- Sincronización con el cliente del estado de bloqueo y el nombre del propietario, sin enviar el PIN.
Project description from CurseForge.
Pick your setup
Chest Protector by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Chest Protector versions and loaders
chest-protector-1.0.4-fabric-1.21.1.jar
11 Aug 2026
chest-protector-1.0.3-fabric-1.21.1.jar
11 Aug 2026
chest-protector-1.0.2-fabric-1.21.1.jar
11 Aug 2026
Looking for an older file? The official CurseForge project page is in Resources.