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MemoryLeakFix

Mod

by FX_PR0CESS

A mod that fixes random memory leaks for both the client and server

Type

Mod

CurseForge Downloads

20,426,591

CurseForge ID

627566

Modrinth Downloads

37,102,373

Modrinth ID

NRjRiSSD

Last Updated

Sep 10, 2026

Description

MemoryLeakFix

A mod that fixes multiple memory leaks in minecraft. Both server-side & client-side

For the best performance & memory usage, I recommend using this mod with:

  • lazydfu - Makes startup much faster by not loading DFU until needed, also saves on memory
  • lithium-fabric - The best general performance mod
  • starlight - Re-write of the light engine to be blazing fast

My other optimizations/fixes

More Info

Feel free to contribute to the project!
I'm also fine if you use this mod in your modpacks, just make sure to mention it.

However I don't allow clients or other projects to merge this mod without permission, if you would like to use this mod in your client or another project please contact me.

⚠️ MemoryLeakFix is no longer available on CurseForge!

MemoryLeakFix can be downloaded from our official Modrinth page instead.

Download on Modrinth

Compatibility

Mod Loaders

Fabric Forge Quilt

Game Versions

1.14.4 1.15 1.15.1 1.15.2 1.16 1.16.1 1.16.2 1.16.3 1.16.4 1.16.5 +47 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

LEGO Minecraft Set

LEGO Minecraft Set

Official sets that translate the building side of the game off-screen.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

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Included in Modpacks (392)

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Ice And Fire-Expanded pack Ice And Fire-Expanded pack Wither Storm: Living on the Run Wither Storm: Living on the Run DragonCraft Isle and Chaos DragonCraft Isle and Chaos Realistic Minecraft Backrooms Realistic Minecraft Backrooms The Dwellers World The Dwellers World World Of Dragons World Of Dragons A beginning of Origins (Fabric) A beginning of Origins (Fabric) Wenton's silly gun and car thingy Wenton's silly gun and car thingy Conquest of the Bleak Isles Conquest of the Bleak Isles ForgottenWinter_legacy ForgottenWinter_legacy Hommage Hommage Advanced Weaponry Advanced Weaponry MageTech [FORGE] MageTech [FORGE] Better FNAF Management Wanted Better FNAF Management Wanted AdventureCrafts [Fabric] AdventureCrafts [Fabric] C&K's Organized Crime C&K's Organized Crime MC:SM Ultimate Experience Refresh! MC:SM Ultimate Experience Refresh! Create Electricity Create Electricity All The Trains MTR All The Trains MTR Far Craft: illager Battleground Far Craft: illager Battleground Yu-Gi-Oh : Duel de Minecraft Yu-Gi-Oh : Duel de Minecraft Official Monumenta Modpack Official Monumenta Modpack Shinobi Nations (Naruto) Shinobi Nations (Naruto) Create Fabulously [Fabric] Create Fabulously [Fabric] NetPixelmon NetPixelmon Sky Technology Sky Technology Calvin's wonderland.jar Calvin's wonderland.jar GeoRail GeoRail MTR Railway Network Access - Lite Edition MTR Railway Network Access - Lite Edition Sen2's Grand Craft [One Piece] Sen2's Grand Craft [One Piece] InfinityCraft: Hero-verse InfinityCraft: Hero-verse Cardinal Discovery Cardinal Discovery [FFS] Fantastic Furry Syndicate [FFS] Fantastic Furry Syndicate Fully Optimized 2 (Built in Shaders) Fully Optimized 2 (Built in Shaders) Tensura Reemerged Tensura Reemerged Hexwoven Hexwoven Technetium Technetium Lillydale Ranch Lillydale Ranch [Let's Do] Modpack - 1.19.2 [Let's Do] Modpack - 1.19.2 Tetra+ Tetra+ NSCOP生电客户端 NSCOP生电客户端 Christmas Dreams Christmas Dreams FreakCraft FreakCraft Adventure and RPG+IC2Classic Adventure and RPG+IC2Classic Realistic Minecraft - Frealism Realistic Minecraft - Frealism Cobblemon Optimized [FABRIC] Cobblemon Optimized [FABRIC] WHAT WE LOST - Zombie Apocalypse Modpack WHAT WE LOST - Zombie Apocalypse Modpack Raven's MTR Build Server Raven's MTR Build Server Fertility Fertility Dinosaur Survival Dinosaur Survival Faith in the Backrooms Faith in the Backrooms Magic OneBlock Project Magic OneBlock Project Tech's Community Server Tech's Community Server Fox Adventures: Origins Fox Adventures: Origins Fallen World - Prehistoric Corruption Fallen World - Prehistoric Corruption VR Realistic Worlds 3D Server VR Realistic Worlds 3D Server NeoLand NeoLand Cataclysmic Cataclysmic CreatePlanes+ CreatePlanes+ Slime Kings Reincarnation Slime Kings Reincarnation Real dark fantasy Horror (Horror) (dark fantasy) Real dark fantasy Horror (Horror) (dark fantasy) Stay-Clear! Stay-Clear! Growth VR Growth VR Create Delight Create Delight Bosses Galore Bosses Galore FROM THE FOG - (INSPIRED) FROM THE FOG - (INSPIRED) Torment - Psychological Horror Torment - Psychological Horror Essential Medieval [FABRIC] Essential Medieval [FABRIC] Last One Alive Last One Alive T:R Modpack T:R Modpack Forged in Dragonfire Forged in Dragonfire Complicated Survival Complicated Survival Enhanced The God Enhanced The God Absolute Realism Absolute Realism One Day To Death One Day To Death Create ADDONS Create ADDONS Gentle Brew Gentle Brew Better Creative [FABRIC] Better Creative [FABRIC] NonsenseCraft - Tensura NonsenseCraft - Tensura Miracul212 Miracul212 The 200 Pack The 200 Pack Planes Trains and Cobblemon Planes Trains and Cobblemon NovaMTR Modpack NovaMTR Modpack KRILLKRAFT KRILLKRAFT VisualCraft by Moizoref VisualCraft by Moizoref True: Calamity True: Calamity They Prey On Thy Flesh They Prey On Thy Flesh One Piece: Grand Voyage One Piece: Grand Voyage Piratecraft Modpack Piratecraft Modpack Reign of Nether: Fortress Battle Reign of Nether: Fortress Battle Dragonfire RPG Dragonfire RPG Sage's Custom Cisco Sage's Custom Cisco Survival's Instinct Survival's Instinct Fun n' Guns Fun n' Guns Semi Realistic Space Exploration Modpack Semi Realistic Space Exploration Modpack Curiousity Essential: Cisco's Fantasy Medieval RPG [Ultimate] Curiousity Essential: Cisco's Fantasy Medieval RPG [Ultimate] theboysvanilla+ theboysvanilla+ Kryeit: Extra Enhanced Kryeit: Extra Enhanced Apocalypse: Block by Block - GraplysTeam Apocalypse: Block by Block - GraplysTeam Fantasia + Fantasia +

External Resources

CurseForge Modrinth Source Code Wiki Issues