Inventory Slots

A Fabric Minecraft mod for viewing container slot index's at the click of a button! Useful for development/configuration!

1.7K Downloads

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Rent Server with this Mod

Screenshots

About this Mod

InventorySlots

InventorySlots is a lightweight Fabric mod designed for developers and UI configurators. It provides a client-side overlay for inventory slots, making it easier to visualize slot indices and debug layout positioning in real-time.

Features

The mod includes a built-in configuration menu that allows for live adjustments without requiring a game restart.

Customizable text scale (0.25x to 2.0x) and hex color support.
Multiple anchor points for precise text alignment (e.g., top-left, center, bottom-right).
Optional text shadowing for better visibility against different UI textures.
Persisted configuration settings across game sessions.
Fully client-side implementation; compatible with all servers.

Keybinds

Toggle Overlays: HOME
Open Config Menu: END

Note: Keybinds can be remapped via the standard Minecraft controls menu if they conflict with other mods.

Requirements

This mod requires Minecraft 1.21.4 or newer and the following dependencies:

Fabric API

Support

For bug reports or feature requests, please submit an issue through the GitHub repository:
https://github.com/BitByLogics/InventorySlots/issues

Available Versions

Inventory Slots 2.0.3release

MC 1.21.11fabric

February 7, 2026

Inventory Slots 2.0.2release

MC 1.21.10fabric

February 7, 2026

Inventory Slots 2.0.1release

MC 1.21.8fabric

September 24, 2025

Inventory Slots 2.0.0release

MC 1.21.8fabric

September 17, 2025

Inventory Slots 1.0.1release

MC 1.21.4, 1.21.5, 1.21.6, 1.21.7fabric

July 31, 2025

How to Install Inventory Slots 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 "Inventory Slots". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10, 1.21.8 (+4 more)

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Inventory Slots 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 Inventory Slots compatible with fabric?

Inventory Slots officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Inventory Slots – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Inventory Slots 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.