Leaky - Item Lag Fix
Java mod listed for Minecraft 1.18–1.21. File opened and checked on 20 Oct 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForge
Leaky is a mod to detect, report and remove large amounts of stacked items, and improving the performance of items in general.
- Configure Item performance improvements
- Configure chat notifications
- Configure item glowing
- Configure reporting intervals
- Configure min amount of items stacked to report
- Configure amount of items stacked at which those items get auto removed
No known incompatibilities, should work with any other mods.
Only required on serverside
If you enjoy this mod consider supporting the development, any support is greatly appreciated.
The development is an unpaid free-time activity, so any support helps being able to spend more time on it.
You can support me on Patreon or just spreading the word around.
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21, 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Leaky - Item Lag Fix is a free Minecraft Java mod. Compatible with Minecraft 1.21.1, 1.21, 1.20.1, 1.20 and newer. Downloaded 10,495,273 times (via CurseForge). Download it and open it directly in the game.