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Optimization Foundation

Modpack

by SipuliEmbo

A foundation optimization modpack for big modpacks. Everything you need.

Type

Modpack

CurseForge Downloads

2,171

CurseForge ID

1618518

Last Updated

Aug 17, 2026

Description

Optimization Foundation is a performance modpack that is designed for other creators, and for players who want a smooth vanilla minecraft experience.

I created this pack because I was tired of getting around 20 FPS while playing modpacks on a low-end PC or laptop.

My goal is to build a perfect performance foundation so anyone can enjoy larger modpacks with smoother gameplay, and so that I can play a big modpack without lag for once.

Features:

  • Higher FPS
  • More stable tick rates
  • Faster chunk generation
  • Fixes for bugs, crashes, and memory leaks
  • Faster game startup
  • Faster structure and biome locating

Note:

  • Bug reports, suggestions, and feedback can be posted in the comments for now.
  • Feel free to use this as a foundation, you don't have to credit me or ask for permission.

This modpack aims to include every optimization used in large modpacks. If you think something is missing or can be improved, please let me know.

Compatibility

Mod Loaders

Fabric

Game Versions

1.20.1

Recommended Gear

Affiliate

Hardware and extras that pair well with this modpack.

As an Amazon Associate I earn from qualifying purchases.

Screenshots

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Contained Mods (69)

Fabric API

Fabric API

Core API library for the Fabric toolchain

Mod 521,723,124
Ixeris

Ixeris

Buffered raw input and threaded event polling

Mod 22,676,098
ModernFix

ModernFix

All-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite p...

Mod 332,621,868
Just Enough Items (JEI)

Just Enough Items (JEI)

View Items and Recipes

Mod 722,116,572
Not Enough Recipe Book [NERB]

Not Enough Recipe Book [NERB]

Completely removes recipe book from the game, optimizing player data.

Mod 80,774,953
ShatterLib | OctoLib

ShatterLib | OctoLib

Collection of shared code for Shatterbyte mods

Mod 115,053,617
Neruina - Ticking Entity Fixer

Neruina - Ticking Entity Fixer

A Mod that prevents ticking-related crashes from bricking worlds

Mod 70,744,300
Reese's Sodium Options

Reese's Sodium Options

Alternative Options Menu for Sodium

Mod 165,277,151
Server Performance - Smooth Chunk Save[Forge/Fabric]

Server Performance - Smooth Chunk Save[Forge/Fabric]

Enables lag-free continuous chunk saving, increasing server TPS

Mod 124,701,048
Sodium

Sodium

The fastest and most compatible rendering optimization mod for Minecraft. Now available for both NeoForge and Fabric!

Mod 408,093,326
ImmediatelyFast

ImmediatelyFast

Speed up immediate mode rendering in Minecraft

Mod 326,805,787
Chunk Sending[Forge/Fabric]

Chunk Sending[Forge/Fabric]

Optimizes chunk packet delivery

Mod 73,451,000
Mod Menu

Mod Menu

Adds a mod menu to view the list of mods you have installed.

Mod 241,873,863
Particle Core

Particle Core

Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potio...

Mod 54,998,177
Architectury API

Architectury API

An intermediary api aimed to ease developing multiplatform mods.

Mod 457,896,337
Fabric Language Kotlin

Fabric Language Kotlin

Fabric language module for Kotlin

Mod 216,532,906
Entity Culling Fabric/Forge

Entity Culling Fabric/Forge

Using async path-tracing to hide BlockEntities/Entities that are not visible

Mod 421,623,111
Resourceful Config

Resourceful Config

Resourceful Config is a mod that allows for developers to make crossplatform configs

Mod 162,476,427
YetAnotherConfigLib

YetAnotherConfigLib

A builder-based configuration library for Minecraft.

Mod 264,112,068
Fzzy Config

Fzzy Config

Config API with automatic GUIs, powerful validation options, server-client sync, and more!

Mod 138,246,935
Get It Together, Drops!

Get It Together, Drops!

Adds tags and configuration options for defining how dropped items should combine.

Mod 62,995,934
MoreCulling

MoreCulling

A mod that changes how multiple types of culling are handled in order to improve performance

Mod 100,551,360
No Chat Reports

No Chat Reports

Makes chat unreportable (where possible)

Mod 185,534,448
Krypton

Krypton

A mod to optimize the Minecraft networking stack

Mod 82,103,738
Connectivity

Connectivity

Fix Login timeouts, Packet sizes errors, Payloads errors, ghostblocks and more.

Mod 166,370,623
Debugify

Debugify

Fixes Minecraft bugs found on the bug tracker

Mod 76,258,188
Lithium (Fabric/NeoForge)

Lithium (Fabric/NeoForge)

An optimization mod for Minecraft which improves server performance significantly.

Mod 239,787,821
AttributeFix

AttributeFix

Removes arbitrary limits on Minecraft's attribute system.

Mod 257,069,941
Cloth Config API (Fabric/Forge/NeoForge)

Cloth Config API (Fabric/Forge/NeoForge)

Config Screen API for Minecraft

Mod 566,014,072
Too Fast

Too Fast

Fixes "moved too quickly".

Mod 72,697,973
CrashExploitFixer

CrashExploitFixer

This mod fixes a bunch of crash exploits discovered in Minecraft.

Mod 28,340,356
Yeetus Experimentus

Yeetus Experimentus

Yeetus Experimental Settings

Mod 97,799,491
fix GPU memory leak[Forge/Fabric]

fix GPU memory leak[Forge/Fabric]

A mod that fixes memory leaks on the client

Mod 108,123,289
Fast IP Ping

Fast IP Ping

Yeet the laggy reversed DNS lookup for literal IP server addresses

Mod 79,631,118
Dynamic FPS

Dynamic FPS

Improve performance when Minecraft is in the background

Mod 125,070,383
Clumps

Clumps

Clumps XP orbs together to reduce lag

Mod 419,050,018
Structure Essentials

Structure Essentials

Essential features for structures: Faster locating, distance adjustments, nearby structure command, automatic structure...

Mod 102,526,610
ServerCore

ServerCore

A mod that aims to optimize the minecraft server.

Mod 65,170,093
Cupboard

Cupboard

Cupboard provides code, frameworks, and utilities for minecraft mods

Mod 211,629,788
Sodium Extra

Sodium Extra

Features that shouldn't be in Sodium

Mod 179,495,278
Structure Layout Optimizer

Structure Layout Optimizer

Attempts to optimize the generation of Jigsaw Structures and NBT pieces

Mod 38,596,979
BadOptimizations

BadOptimizations

Optimization mod that focuses on things other than rendering

Mod 127,326,895
Polymorph (Fabric/Forge/Quilt)

Polymorph (Fabric/Forge/Quilt)

No more recipe conflicts! Adds an option to choose the crafting result if more than one is available.

Mod 255,861,746
FastQuit

FastQuit

Lets you return to the Title Screen early while your world is still saving in the background!

Mod 35,711,296
Recipe Essentials[Forge/Fabric]

Recipe Essentials[Forge/Fabric]

Essential fixes and improvements around recipes and crafting

Mod 70,228,705
Configurable

Configurable

Config library that allows decentralised settings in a mod

Mod 11,990,362
Limited Chunkloading - Chunk cleanup[Forge/Fabric]

Limited Chunkloading - Chunk cleanup[Forge/Fabric]

Server utility to clean up loaded chunks

Mod 25,583,857
Client Crafting

Client Crafting

Clientside crafting without network delay

Mod 51,926,276
Better Fps - Render Distance[Fabric]

Better Fps - Render Distance[Fabric]

Better fps for Fabric, 1.16 - 26.1

Mod 15,240,669
Exordium

Exordium

Render the GUI and screens at a lower framerate to speed up what's really important: the worldrendering.

Mod 7,633,606
FerriteCore (Fabric)

FerriteCore (Fabric)

Memory usage optimizations

Mod 77,220,242
No Resource Pack Warnings

No Resource Pack Warnings

Disable warnings for outdated resource/data packs

Mod 16,796,177
Long NBT Killer

Long NBT Killer

Prevent minecraft from crashing while encountering deep nbt tags

Mod 20,375,064
Better Biome Reblend

Better Biome Reblend

Updated version of Better Biome Blend, a mod that improves and fixes biome color blending

Mod 16,009,415
TxniLib

TxniLib

Multiversion library mod for Txni projects

Mod 70,014,296
Cerulean

Cerulean

Advancements optimization mod, updated fork of Icterine with added features

Mod 14,718,687
Enhanced Block Entities

Enhanced Block Entities

Improve FPS with block entities, and make them customizable with resource packs

Mod 17,136,210
Log Begone

Log Begone

Fork of Shut Up Console - Tell those those annoy logs lines begone!

Mod 76,211,342
DEUF Refabricated

DEUF Refabricated

Fixes entities duplicated UUIDs, removing log spam and preventing crashes.

Mod 21,154,719
Fastload

Fastload

Modifies how worlds are loaded to speed up loading times.

Mod 50,840,406
Async Locator

Async Locator

Changes the searching of features to be asynchronous to mitigate associated lag

Mod 16,223,070
MixinTrace

MixinTrace

Adds a list of mixins in the stack trace to crash reports

Mod 47,193,206
LazyDFU

LazyDFU

Makes the initialization of DataFixerUpper "lazy", making the game start more quickly

Mod 43,110,970
Save My Shaky Network

Save My Shaky Network

Block common mods from connecting to the internet without affecting the mods' functionality, preventing slow loading or...

Mod 8,354,547
Performance Tweaks

Performance Tweaks

Several optimizations and bugfixes. Entity Collision FPS fix, Let-Me-Despawn, railway optimization and alternate current...

Mod 1,669,208
Put A Plug In it! (PAPI)

Put A Plug In it! (PAPI)

A small mod that fixes Memory Leak issues, optimizes Memory Usage, and increases version/loader support for features of...

Mod 801,548
ThreadTweak Reforged

ThreadTweak Reforged

Improve and tweak Minecraft CPU scheduling (again!)

Mod 1,039,117
Weather Refined

Weather Refined

Replaces vanilla rain & snow with improved, more polished particles. Less visual clutter, more atmosphere.

Mod 1,157,890
CrashDetector

CrashDetector

Detect Crashes and Causes (Buscar para los fallos y las causas) +VTubers/Animes/Idols

Mod 53,345

External Resources