Mods for Minecraft Java
Browse 6,931 free mods for Minecraft Java — popular picks include KryptonFoxified, Client Side Crystals, Optifine Check.
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KryptonFoxified
Krypton unofficial NeoForge port. A mod to optimize the Minecraft networking stack.
Client Side Crystals
Makes your crystals show instantly client side when crystaling to look look like zero ping Works with Marlow's optimizer Allowed on VTL and mcpvpclub
Optifine Check
Displays a reminder if optifine is not installed
Idle Boost
This mod optimizes performance when Minecraft is running in the background.
Revamp
Rivvest's Enhanced Villager and Mob Performance
Datapack Load Error Fix
A comprehensive Minecraft world repair utility that fixes common issues caused by removed mods and datapacks.
FastSpawner
Dynamically optimizes mob spawner rendering for maximum FPS - display entities only when ⇧ Shift is held, and particles at adjustable rates. Perfect for lag-free mob farms!
Veil
Upgrade your modding potential with cutting-edge rendering and game-engine features. Built for modders, by modders.
Arrow Clean Up
Automatically removes stuck arrows to prevent world clutter and improve performance!
Super Fast Math
A lightweight fabric mod that upgrades math in minecraft
NoPackCompatCheck
Disables the “incompatible” warning when loading resource packs with different compact versions.
Better Tab
Better Tab improves the player list, making it scrollable and adding numerical ping.
Fast Items
Optimize item rendering by transforming item entities to 2D
HU: Harium
A general-purpose optimization mod that rewrites inefficient vanilla code for AI, redstone, entities, hoppers, and physics without changing game behavior
ExploitPreventer
A fabric mod that prevents known client-side exploits.
Tetrachord Lib
A lightweight library mod that provides various data structures such as KD Trees and Segment Trees, alongside some other utilitarian functionalities.
[CTL] Calm The Leaks
This mod extends atl outputs, recognises leak trends, and then recommends fixes based of confidence levels after leveraging spark data. CTL doesn't hide real problems - it filters startup noise and false positives so you can focus on real leaks.
Star Optimized
Lightweight optimization and repair mod
Easy Mob Spawn Control - spawn rate, mob cap, disable bad mobs
Quickly adjust spawn rate, ban mobs, change mob limit and more with in-game menu
ZoomX
A Simple & Lightweight Zooming mod for Minecraft (Vanilla/Sodium)
Collision Fix
Client-side Mod which fixes client-side collisions checks to prevent you from pushing by other entities.
Naughthirium
Patches Nothirium with extra compatibility with other mods.
EnlightenedBlockEntities
Unofficial fork of enhanced block entities(EBE). Since 0.5 Also fix AO like in Fabric-Indigo. Compatible with Embeddium.
No Random Ticks
Prevent blocks from performing randomTick() or even tick()
EmuNO
Disables various macOS-specific behaviors, making your life better
Flare (Spark for 1.12.2)
Flare is a performance profiler for 1.12.2 clients and servers. Based off of Spark.
AdvancementsScreenOptimizer
Optimizes rendering the advancements screen
ServerWarashi
A chunk management mod
ZeroCore
A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.
Client Side Noteblocks
Removes lag when playing noteblocks
Moonrise
Optimisation mod for dedicated and integrated server.
Jaggies Begone
A Minecraft Fabric client mod that allows the application of 4x FXAA through the vanilla shader system, and forced mipmapping on blocks with cutout type rendering.

Client Kits
Store and load custom kits
Concurrent Chunk Management Engine for Forge
Yet another unofficial forge port of C2ME. A designed to improve the chunk performance of Minecraft.
Xander's Sodium Options
Replaces Sodium Options with a Minecraft-style alternative powered by YACL.
钠-汉化模组(Sodium Chinese Localization Mod)
A project can translate you sodium mod into Chinese