Description
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A small Minecraft mod that stops you from losing loot to a misclick mid-fight.
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.
How to Install ItemLock (Mod)
ItemLock by whoisabz is verified for Fabric, Forge, Neoforge, Quilt across Minecraft versions 1.21, 1.21.1, 1.21.10, 1.21.11, 1.21.2, 1.21.3, 1.21.4, 1.21.5 (latest release: 1.9.2+forge-1.21.1, file size: 28 KB). Follow the steps below to install it safely from ModCraft.tv:
- Click the Download button above and select your Minecraft version (1.21, 1.21.1, 1.21.10, 1.21.11, 1.21.2, 1.21.3, 1.21.4, 1.21.5) and platform (Fabric, Forge, Neoforge, Quilt).
- Make sure you have the compatible loader or environment installed for Fabric, Forge, Neoforge, Quilt.
- Move the downloaded ItemLock file into your Minecraft
.minecraft/modsfolder and launch the game.
All Versions
+ Add Version
[1.9.2+forge-1.21.1] 1.9.2 (Forge 1.21.1)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.3] 1.9.2 (Forge 1.21.3)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.5] 1.9.2 (Forge 1.21.5)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.6] 1.9.2 (Forge 1.21.6)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.7] 1.9.2 (Forge 1.21.7)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.8] 1.9.2 (Forge 1.21.8)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.9] 1.9.2 (Forge 1.21.9)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.10] 1.9.2 (Forge 1.21.10)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+forge-1.21.11] 1.9.2 (Forge 1.21.11)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+neoforge-1.21.1] 1.9.2 (NeoForge 1.21.1)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+neoforge-1.21.11] 1.9.2 (NeoForge 1.21.11)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+1.21] 1.9.2 (1.21-1.21.5)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+1.21.6] 1.9.2 (1.21.6-1.21.8)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+1.21.9] 1.9.2 (1.21.9-1.21.10)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
[1.9.2+1.21.11] 1.9.2 (1.21.11)
by whoisabz on Aug 17, 2026
Download
Credits the mod to **whoisabz** — earlier builds shipped with the mod-template placeholder as the author, so launchers listed it as "ItemLock by You".
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
No gameplay changes from 1.9.1. If you are on 1.9.0 or 1.9.1 this is purely cosmetic; if you are on anything older, it also carries the 1.9.0 fix for locked items escaping via double-click gather and the swap-offhand key.
