Modscraper Modscraper Minecraft

Sort By

Type

Content

Tags

Lithium (Fabric/NeoForge) logo

Lithium (Fabric/NeoForge)

Mod

by JellySquid

An optimization mod for Minecraft which improves server performance significantly.

Type

Mod

CurseForge Downloads

102,081,804

CurseForge ID

360438

Modrinth Downloads

141,528,159

Modrinth ID

gvQqBUqZ

Last Updated

Nov 7, 2026

Description

Lithium is a modern, general-purpose optimization mod for Minecraft which works to improve a number of systems (game physics, mob AI, block ticking, etc) with the goal of not changing any vanilla mechanics.


The mod works on both the client and server, and can be installed on servers without requiring clients to also have the mod (and vice versa.)


For multiplayer servers, administrators can expect a sizeable improvement to tick times, allowing their hardware to support more loaded entities, chunks, and players. Even in single-player, Lithium helps to improve performance by optimizing the internal game server, which is used for "ticking" the world. This can free up your computer's processor to focus on other tasks, resulting in improved frame rates and increased responsiveness.


The strict goal of maintaining exact behavior with vanilla makes Lithium suitable for almost any Minecraft server running Fabric, even for highly complex gameplay scenarios and creations. In fact, our continued insistence towards not changing vanilla gameplay has even led to the mod being officially allowed in Minecraft speedrunning.


Installation

Make sure you have the latest version of Fabric Loader present and then simply drop the mod into your mods folder. No other mods or additional setup (not even Fabric API!) is required. You do not need to create new worlds in order to take advantage of the mod.


While you're at it, you may want to check out Sodium, which improves rendering performance.


Configuration

Lithium makes use of an semi-unusual configuration system which allows you to enable or completely disable patches the mod applies. This system allows fine-grained control over what code in Minecraft is modified by Lithium, and as such, can be used to completely eliminate bugs or mod incompatibilities introduced by the mod.


For more information, please read the wiki entry on modifying your configuration file.


Please note: An empty configuration file is perfectly normal and just means you want to use the default options, which are already set up out of the box for the best performance the mod can offer.


Reporting Issues

Please use the issue tracker linked at the top of the page to report bugs, crashes, and other issues.

Compatibility

Mod Loaders

Fabric Neoforge Quilt

Game Versions

1.16.2 1.16.3 1.16.4 1.16.5 1.17 1.17.1 1.18 1.18.1 1.18.2 1.19 +28 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Mini PC for self-hosting

Mini PC for Self-Hosting

A low-power box that can sit in a cupboard and run a modded server around the clock.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

Similar Mods

Just Enough Items (JEI)

Just Enough Items (JEI)

View Items and Recipes

Mod 729,669,919
Cloth Config API (Fabric/Forge/NeoForge)

Cloth Config API (Fabric/Forge/NeoForge)

Config Screen API for Minecraft

Mod 571,005,080
Mouse Tweaks

Mouse Tweaks

Enhances inventory management by adding various functions to the mouse buttons.

Mod 550,366,770
Fabric API

Fabric API

Core API library for the Fabric toolchain

Mod 525,706,110
AppleSkin

AppleSkin

Adds some useful information about food/hunger to the HUD

Mod 520,882,628
GeckoLib

GeckoLib

A 3D animation library for entities, blocks, items, armor, and more!

Mod 505,400,711 354.7K this week

Included in Modpacks (3,812)

Show fewer
Spirity Optimized Spirity Optimized Simply Legacy Simply Legacy [Ck7] Pack de Optimización [Ck7] Pack de Optimización Client+ Client+ New Simple Mods [FABRIC] - Without Complex Mods! | NEW VERSION! New Simple Mods [FABRIC] - Without Complex Mods! | NEW VERSION! Path of the Ascended Path of the Ascended Tom's Cobblemon Tom's Cobblemon ALAND's Optimized Hypixel SkyBlock ALAND's Optimized Hypixel SkyBlock Enhanced FPS (NeoForge) Enhanced FPS (NeoForge) Big Globe Optimized (FORGE) Big Globe Optimized (FORGE) Tensura All The Slime 1 Tensura All The Slime 1 More Dungeons [FABRIC] - 1.21 UPDATE! More Dungeons [FABRIC] - 1.21 UPDATE! Donut SMP Pack Donut SMP Pack Builder's Paradise - Enhanced Edition (BPEE) Builder's Paradise - Enhanced Edition (BPEE) Bare Bones Improved Bare Bones Improved Tropimon Tropimon Essential Full Potential Essential Full Potential Vanilla Reimagined+ Vanilla Reimagined+ Christmas Nostalgia Christmas Nostalgia Pixelax Pixelax Oneblock Ultimate Oneblock Ultimate New Age Science and Technology New Age Science and Technology Cobblemon - RPG Edition | Cobblemon & RPG [Cobblemon 1.7.3] Cobblemon - RPG Edition | Cobblemon & RPG [Cobblemon 1.7.3] Essentials Mods Essentials Mods More Biomes [FABRIC] - 1.21 UPDATE! More Biomes [FABRIC] - 1.21 UPDATE! Better Experience (BTV) - Last Update! | The Copper Age! Better Experience (BTV) - Last Update! | The Copper Age! Minecraft Superhero Server (Thematic) Minecraft Superhero Server (Thematic) Jurassic World Reborn Jurassic World Reborn Simply Optimized Forked Simply Optimized Forked Physics Modpack CobbleKanto - A Cobblemon Adventure CobbleKanto - A Cobblemon Adventure Truly Essentials - First Step (Vanilla+) Truly Essentials - First Step (Vanilla+) Echoes of the Sift Echoes of the Sift Horror Reborn Horror Reborn Majorly Optimized Majorly Optimized Integrated Boogaloo Integrated Boogaloo Ultimately Optimized - Vanilla but Better! Ultimately Optimized - Vanilla but Better! New Horizons New Horizons Our Story - Earth 2 (soon) Our Story - Earth 2 (soon) CobbleGems CobbleGems ObsidianFPS ObsidianFPS Sideyy Boost Sideyy Boost Framework Framework Sodium Booster Sodium Booster Ascension of Ages Ascension of Ages Voxy with Shaders Voxy with Shaders Monumental Experience - Creatures Across the World Monumental Experience - Creatures Across the World Superb Warfare expanded Superb Warfare expanded Guns Survival Multiplayer Guns Survival Multiplayer Slime Diaries Slime Diaries [SFP] SUPER FPS FOR POTATOES (1.21.11 Updated) [SFP] SUPER FPS FOR POTATOES (1.21.11 Updated) Simply Optimized Continued Simply Optimized Continued Ryan Cliffords VR Experience 3 Ryan Cliffords VR Experience 3 More Animals 2 More Animals 2 secret's pack secret's pack Create Tycoon Create Tycoon PVP Pack by dihogen PVP Pack by dihogen MTR Operation MTR Operation OptiFinium OptiFinium TNF-Vanilla TNF-Vanilla PvP Beyond PvP Beyond Stars Optimized Stars Optimized All of Create Fabric All of Create Fabric All You Need - Mods/Textures/Shaders All You Need - Mods/Textures/Shaders CastCrafter Survival Server CastCrafter Survival Server KPBSPM - SPm Edition KPBSPM - SPm Edition Mechanomania Mechanomania Steam 'n' Rails Server Modpack Steam 'n' Rails Server Modpack Cobblemon Explorers! Cobblemon Explorers! Simply NeoForged Simply NeoForged Nirvana - Better Vanilla Nirvana - Better Vanilla A Requiem Story A Requiem Story Plants vs Zombies Overgrowth Plants vs Zombies Overgrowth Horror Craft - The Immemorial Horror Craft - The Immemorial Ultimate FPS Ultimate FPS DonutSMP Pack DonutSMP Pack Smooth Server Smooth Server Crystal PvP Modpack Crystal PvP Modpack Yoru Yoru Sebi's Distant Horizons Optimization Pack Sebi's Distant Horizons Optimization Pack VaniX VaniX Farming Overloaded Farming Overloaded Meccha Crafteleon Together ! Meccha Crafteleon Together ! Fastly Optimised Fastly Optimised IanAnderson's Modpack IanAnderson's Modpack Raft Tuah Raft Tuah PVP Pack [PvP , FPS Boost , Performance , Optimization , Low Latency , Competitive , 26.2 , Modern PVP , pvppack , pvp] PVP Pack [PvP , FPS Boost , Performance , Optimization , Low Latency , Competitive , 26.2 , Modern PVP , pvppack , pvp] Optimized fps simple [(Neo)FORGE] Optimized fps simple [(Neo)FORGE] Wynncraft - Artemis Wynncraft - Artemis SmashMC Cobblemon SmashMC Cobblemon Nickly Optimized Nickly Optimized Building Blocks Building Blocks DiosesMC - Enhanced (Unofficial) - ExoTeam DiosesMC - Enhanced (Unofficial) - ExoTeam SparkleFlake's Optimization pack SparkleFlake's Optimization pack Essentially Optimized (Server) Essentially Optimized (Server) Quality of Life - Update (QOL) Quality of Life - Update (QOL) New Age Science and Technology Easy New Age Science and Technology Easy Nvidium Performance (Full) Nvidium Performance (Full) Ben 10 MINEDITION Ben 10 MINEDITION Optimy (optimized&optimization) Optimy (optimized&optimization)

External Resources

CurseForge Modrinth Source Code Issues