
Locked In
Overhaul of vanilla's hidden lock feature
Screenshots



About this Mod
Locked In
Overhaul of vanilla's hidden lock feature.
Items
- Key
Allows to lock/unlock containers. - Master Key
Allows to open any lockable container even if there is lock on it. - Lockpick
Allows to unlock any container if it isn't unbreachable.
Enchantments
- Unbreakable lock
Container that was locked by key with this enchantment can't be broken unless unlocked again. - Unbreachable lock
Container that was locked by key with this enchantment can't be opened with lockpick.
Recipes
- Key Duplication
Place key that needs to be duplicated, one empty key and a name tag. - Key "Cleaning"
To remove key id and duplication status press key against a grindstone. - Additionally, there is EMI support.
In action

FAQ
- Can I use this mod in my modpack?
Yes, of course! - Can I rehost this mod on different mod platform?
No. This mod is available on Modrinth and CurseForge. That's it. - Ports to different mod loaders?
Nah. At least not now. Currently only Fabric and Quilt are supported. - Is it needed on both server and client?
Yes. It adds a few items.
Available Versions
How to Install Locked In on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Locked In". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Locked In server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Locked In compatible with fabric and quilt?
Locked In officially supports fabric, quilt for Minecraft 1.21.1, 1.21. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Locked In – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Locked In consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Locked In with just one click on your server.