A mod that fixes random memory leaks for both the client and server
Memory Leak Fix is a resource made by FX. It supports Minecraft 1.16 – 1.20. It has been downloaded 38,988,219 times on Modrinth. The last update came out on Jan 6, 2024.
How to install Memory Leak Fix
This mod runs only on your own game. Servers do not need it, so you can use it on any server.
Install Fabric, Quilt and Forge for Minecraft 1.16 – 1.20.
Download the .jar file from Modrinth and put it in the mods folder of your .minecraft directory.
Start Minecraft with the Fabric profile.
With the CraftRank Launcher you can skip these steps: open Mods, search for Memory Leak Fix and click Install.
Compatibility
- Minecraft versions
- 1.20, 1.19, 1.18, 1.17, 1.16
- Runs on
- Fabric, Quilt, Forge
- Where it runs
- Client only (your game)
- Edition
- Java
- Needs
- Nothing else
- License
- GPL
- Price
- Free
- Upkeep
- Actively updated (Oct 25, 2026)
Memory Leak Fix compared with similar ones Compare all alternatives
| Resource | Downloads | Rating | Versions | Last update | Price |
|---|---|---|---|---|---|
 Memory Leak Fixthe one you looked at | 39M | – | 1.16 – 1.20 | Jan 6, 2024 | Free |
 ModernFixembeddedt | 84.3M | – | 1.16 – 26.x | 1 day ago | Free |
 Model Gap FixMehVahdJukaar | 33.9M | – | 1.18 – 1.21 | Oct 14, 2025 | Free |
 FerriteCoremalte0811 | 167M | – | 1.16 – 26.x | Mar 24, 2026 | Free |
Questions
Does Memory Leak Fix work on Minecraft 26.x?
Not yet. The newest version it supports is Minecraft 1.20.
Is Memory Leak Fix free?
Yes. Memory Leak Fix is free to download from Modrinth.
Is Memory Leak Fix client-side or server-side?
Client-side. Memory Leak Fix goes in your own mods folder and works on any server, including servers without mods.
Is Memory Leak Fix still updated?
Yes. The last update came out in the past day.
What are the best alternatives to Memory Leak Fix?
The closest ones are ModernFix, Model Gap Fix and FerriteCore. Compare all alternatives
Reviews
Log in to leave a review.
Statistics Counted once per person per day
Your download has started.Modrinth opened in a new tab.
Setting up a server? Two things that help:
