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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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Better MC [FABRIC] BMC2 Better MC [FABRIC] BMC2 Cisco's Fantasy Medieval RPG [Ultimate] Cisco's Fantasy Medieval RPG [Ultimate] Crazy Craft Updated Crazy Craft Updated Better MC [FORGE] BMC2 Better MC [FORGE] BMC2 OptiFabriс OptiFabriс Medieval MC [FORGE] MMC1 Medieval MC [FORGE] MMC1 Isle of Berk (Claws of Berk) Isle of Berk (Claws of Berk) Endless Horror - The ULTIMATE Horror Experience Endless Horror - The ULTIMATE Horror Experience Aged Aged Pokemon Elysium Pokemon Elysium ArdaCraft ArdaCraft Landscapes Reimagined Genesis Landscapes Reimagined Genesis Create+ [Old] Create+ [Old] the horrors in the fog the horrors in the fog Crucial 2 - The Refresh Update Crucial 2 - The Refresh Update THE DWELLERS THE DWELLERS Cisco's Fantasy Medieval RPG [Lite] Cisco's Fantasy Medieval RPG [Lite] Cottage Witch Cottage Witch Infernal Origins Infernal Origins Backrooms: Found Footage Backrooms: Found Footage Homestead Homestead 月亮工厂MCF 【Moon Create factory】 月亮工厂MCF 【Moon Create factory】 Raspberry Flavoured Raspberry Flavoured Stacia 2 Expert Stacia 2 Expert Medieval MC [FORGE] MMC2 Medieval MC [FORGE] MMC2 Elysium Days Elysium Days Over Stars Over Stars Conquest Reforged Modpack (Fabric) Conquest Reforged Modpack (Fabric) Crazy Craft Updated Lite Crazy Craft Updated Lite ZS Pack (Tensura) ZS Pack (Tensura) Strictly Medieval 3 [FORGE] Strictly Medieval 3 [FORGE] RaftPack RaftPack Not Too Complicated 2 Not Too Complicated 2 Sky FABRICation 3 Sky FABRICation 3 Cottage Witch: Recast Cottage Witch: Recast Psychocraft Horror Psychocraft Horror Isle of Berk (Scales and Skies) Isle of Berk (Scales and Skies) Calvin's From The Fog Calvin's From The Fog RHCraft (RLCraft - Renewed) - Unofficial RHCraft (RLCraft - Renewed) - Unofficial Endless Rise Remastered Endless Rise Remastered Wold's Vaults - Vault Hunters Expansion Wold's Vaults - Vault Hunters Expansion SS WitherStorm SS WitherStorm Guns&Fun Guns&Fun PixelBCG - A Pixelmon Modpack PixelBCG - A Pixelmon Modpack Prominence™ I Classic (Legacy) Prominence™ I Classic (Legacy) Bliss - a peaceful-like experience Bliss - a peaceful-like experience EternalCraft EternalCraft Vanilla Create Exploration Vanilla Create Exploration Sky Revolutions Sky Revolutions Dungeons, Dragons and Space Shuttles 2 Dungeons, Dragons and Space Shuttles 2 Create Prepare to Dye Create Prepare to Dye Project SkyQ 2 Project SkyQ 2 VulkanAPI Unofficial VulkanAPI Unofficial Crazy Crave 5 Crazy Crave 5 Rising Civilizations Rising Civilizations BetterFPS BetterFPS Moe's Spooky Jump-scare Simulator Moe's Spooky Jump-scare Simulator Newt+ (Sodium Edition) Newt+ (Sodium Edition) Ender's Journey - Beyond The End Ender's Journey - Beyond The End Isle of Berk (Across the Archipelago) Isle of Berk (Across the Archipelago) Terrafirma Engineering Terrafirma Engineering Journey to Dawn [RU] Journey to Dawn [RU] City Life: Lumina City City Life: Lumina City Progress: Create Progress: Create Fallen Realms Fallen Realms RLFabric RLFabric Strictly Medieval [ FORGE ] 2 Strictly Medieval [ FORGE ] 2 Zeefski Demon Slayer Craft Zeefski Demon Slayer Craft Reign of Nether Optimized Reign of Nether Optimized Attack on titan - Dawn Of Humanity Attack on titan - Dawn Of Humanity Minecraft: Story Mode Minecraft: Story Mode Better than Better Than Wolves ( BTBTW ) Better than Better Than Wolves ( BTBTW ) CRIF 2 - Create an empire of Rats to fight "Ice&Fire" CRIF 2 - Create an empire of Rats to fight "Ice&Fire" Creepy & Scary RPG Creepy & Scary RPG MCBR Pixelmon MCBR Pixelmon Horror OneBlock Horror OneBlock AtlanAbyss AtlanAbyss Melatonin Melatonin Create 2 Mekanism 2: Sky Edition Create 2 Mekanism 2: Sky Edition Techindustry Techindustry SpaceStation - Get a rocket and live in the space! [FABRIC] SpaceStation - Get a rocket and live in the space! [FABRIC] BlazeandCave's Advancements ModPack (BACAP) BlazeandCave's Advancements ModPack (BACAP) The OnePiece+ The OnePiece+ Better FPS Better FPS Cottage World Cottage World Nature's Journey Nature's Journey RPG Plus RPG Plus The Kingdom of Daldar [New Adventure Remade - Fabric] The Kingdom of Daldar [New Adventure Remade - Fabric] The Clash of Epochs The Clash of Epochs OPSkies 2 OPSkies 2 Project Nope Zone Project Nope Zone Fallout Winter Wasteland Fallout Winter Wasteland Origins SMP: Forge Origins SMP: Forge The Portal Modpack The Portal Modpack Terralith Adventure Terralith Adventure [One Piece] New Pirates [One Piece] New Pirates AllCreateMods AllCreateMods FastForge (FPS Modpack For Forge) FastForge (FPS Modpack For Forge) HolyWorld Plus HolyWorld Plus [SAZ]SurvivorsAndZombies [SAZ]SurvivorsAndZombies

External Resources

CurseForge Modrinth Source Code Wiki Issues