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ItemLock project artwork

Modrinth · Minecraft mod

ItemLock

Press O to lock a hotbar slot in place so you can't accidentally drop or move that item during PvP fights.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which ItemLock release should I use?

Updated today
Latest stable file 1.9.1+forge-1.21.3
Game version 1.21.3
Loader Forge

ItemLock 1.9.1+forge-1.21.3 targets 1.21.3 with Forge. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.

Where it goes

Is ItemLock required on the client, server, or both?

It must be installed on the client. Do not install it on the dedicated server.

Client Required
Dedicated server Not supported
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked client-only.

Understand client and server requirements Read the Minecraft installation guide

What else does ItemLock 1.9.1+forge-1.21.3 need?

1.9.1+forge-1.21.3. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add ItemLock without breaking your instance.

Built for ItemLock 1.9.1+forge-1.21.3. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 1.9.1+forge-1.21.3. It targets 1.21.3 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    It must be installed on the client. Do not install it on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 1.9.1+forge-1.21.3. It opens that exact file at the source.

About this project

What does ItemLock add?

Preview

A small Minecraft mod that stops you from losing loot to a misclick mid-fight.

Item

What it does

Press O while on a hotbar slot to lock it in place. While a slot is locked:

  • Pressing Q (or Ctrl+Q) does nothing while that slot is selected - you can't accidentally drop the item.
  • Clicking, dragging, shift-clicking, or number-key-swapping that item out of its slot is blocked in any inventory screen.
  • Everything else in your inventory stays freely usable - you can still loot chests and reorganise other slots.
  • A small lock icon appears in the bottom-right corner of the locked hotbar slot so you can see it's active at a glance, even after you switch away to a different slot.

You can lock several slots at once, and locked slots are remembered between sessions. The lock stays on its slot as you switch hotbar slots around it. Press O again while back on the locked slot to unlock it, or switch to a different slot and press O to move the lock there instead. An action-bar message confirms every lock/unlock.

The key is rebindable in Options -> Controls -> ItemLock if O clashes with something else.

This is a client-side mod - it works in singleplayer and on any multiplayer server, no server-side install required.

Requirements

Fabric / Quilt

  • Minecraft 1.21 or 1.21.11 (pick the matching download)
  • Fabric Loader >= 0.18.4 (or Quilt Loader, via its built-in Fabric compatibility layer)
  • Fabric API (Quilted Fabric API on Quilt)
  • Java 21

NeoForge

  • Minecraft 1.21.11
  • NeoForge >= 21.11.0-beta
  • Java 21

Forge

  • Minecraft 1.21.11
  • Forge >= 1.21.11-61.0.0
  • Java 21

License

CC0-1.0 - Do whatever you'd like with it.

Project description from Modrinth.

Pick your setup

ItemLock by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

35 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

ItemLock versions and loaders

22 of 22 releases match

Looking for an older file? The official Modrinth project page is in Resources.

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