Full Inventory GUI
Expands vanilla container screens with a seamless left-side extension that should be vanilla but will never be...
Screenshots
About this Mod
Full Inventory GUI
Expands vanilla container screens with a seamless left-side extension that feels like part of the original inventory UI.
Features
- Adds custom left GUI extensions to handled screens (excluding player inventory and creative inventory)
- Uses dedicated textures that can be modified via resourcepack
- Armor slots in the extension
- Offhand slot
- Player model preview
- Functional 2x2 crafting grid
Made for Fabric 1.21.11
Multiplayer
This mod should be installed on both client and server for proper slot behavior and synchronization. This mod also can be used in any modpack.
If you encounter any issues, contact me on discord xhvsh
This mod is heavily inspired by a Reddit post by u/lontii
Available Versions
How to Install Full Inventory GUI 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 (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Full Inventory GUI". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Full Inventory GUI 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 (1.21.11). You can switch loaders with one click in the panel.
Is Full Inventory GUI compatible with fabric?
Full Inventory GUI officially supports fabric for Minecraft 1.21.11, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Full Inventory GUI – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Full Inventory GUI 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.
Rent Modded Server
Install Full Inventory GUI with just one click on your server.