Mods for Minecraft Java
Browse 7,038 free mods for Minecraft Java — popular picks include FermiumASM, NoisiumForked, Optimization of Campfire Smoke.
Step by step: How to install Minecraft Java mods & modpacks
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FermiumASM
1.12.2 Optimization and improvements mod, forked from NormalASM
NoisiumForked
Optimises worldgen performance for a better gameplay experience.
Optimization of Campfire Smoke
Optimize the original campfire smoke particles
XXL Packets
XXL Packets is a fork of XL Packets which raises the packet size limit from 2MB to the Java Integer limit (2.147483647 GB).
Hero's Anchor Optimizer
A mod that optimizes respawn anchor explosions on servers Allowed pretty much everywhere
Stfu
A mod that fixes some annoyances and speeds up your game!
Carpet-Fixes
The carpet extension to fix all vanilla minecraft bugs
Entity Collision FPS Fix Refabricated
Client Side mod that optimizes entity's on the render thread. Fixes https://bugs.mojang.com/browse/MC-228976
Refined Storage (Fixes) Mixin
Performance fixes for Refined Storage
FastChest
Makes chests use static block models for improved performance.
Shut Up GL Error
Fixes invalid keycodes logging obnoxious and constant messages
Crosshair Addons Public
Provides helpful icons around the crosshair when certain conditions are met.
RLFoliage
BetterFoliage fork to improve performance, memory usage, and rendering issues.
OptiLeaves
Optimize leaves rendering and increase FPS without noticeable visual changes. Supports NeoForge and Fabric.
Improved Pillager Outpost
The "Improved Pillager Outpost" Datapack revamps the standard Minecraft Pillager Outpost into a challenging, multi-level tower. This overhaul adds detailed architecture, tougher enemies, and exclusive loot, creating a more immersive and rewarding experie
Fluidium
optimizes the fluid far from players by delaying its ticking.

Variants-CIT
Alternative CIT format for large collections of variants with repeating patterns.
RenderScale
Change resolution without affecting the UI
GeckolibBetterFPS
25% faster rendering Geckolib entities
Nothirium
Improve chunk rendering performance
Fixeroo
I fix and optimize Minecraft code when i feel like it
LC²H [Lost Cities: Multithreaded]
LC²H V3 turbocharges The Lost Cities to massive cities, lightning-fast, silky smooth gameplay. Fully C²ME compatible. I’m proud of this, and hope everyone will enjoy using it :]
NoiseThreader
Improves world generation performance by multi-threading noise generators
Performance Tweaks
Several optimizations and bugfixes. Entity Collision FPS fix, Let-Me-Despawn, railway optimization and alternate current.
Too Many Entities
Hide extra entities in order to reduce lag, especially with mob farms. The mobs still exist in the world, they are just not visible.
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
CrescentLib
Library For My Mods.
CrashPatch
Stop crashes from closing your game!
Jauml
Jauml is a lightweight configuration library for Minecraft mods, designed to simplify JSON-based config management

Jukebox Custom Disc Fix
This mod fixes bug MC-260346, which causes custom music discs, when played in a jukebox, to be cut off when the vanilla disc would normally end.
Spark Unforged
A backport of the performance profiling mod Spark to 1.12.2
Pipez Lag Fix
Adds eco mode to item pipez to improve performance
Blended Compat
Adds more compatibility between mods commonly found together in modpacks.
Quantified API
A high-performance API for Minecraft mods, built to handle tasks efficiently, reduce lag, use GPU acceleration, smart caching, and multithreading - keeping your game smooth and stable.
Async Pack Scan
Speeds up the resource pack organizer screen
Video Tape
Fixes GPU-related memory leaks