Performance/FPS Mods for Minecraft Java
Browse 20,281 free Performance/FPS mods for Minecraft Java — popular picks include Fabulously Optimized, Simple Weather, TexTrue's Rubidium Options.
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Fabulously Optimized
Beautiful graphics, speedy performance and familiar features in a simple package. Chaos Cubed beta!
Simple Weather
Providing an alternative, yet elegant solution for weather effects in Minecraft.
TexTrue's Rubidium Options
An unofficial fork of FlashyReese's "Reese's Sodium Options", made to work with FML.

Very Many Players (Fabric)
A Fabric mod designed to improve server performance at high playercounts.

Solas Shader
A modern fantasy stylized shaderpack with colored lighting and stunning visuals
Pluto
Networking stack optimization mod and unofficial fork of Krypton mod for Minecraft Forge
Temporal API
Temporal API is the library for Team Temporal mods, other projects may use it as well.

Crash Assistant
Shows a GUI after Minecraft crashes, immediately showing and analyzing all affected logs.
DoesPotatoTick?
performance mod that don‘t allow entities to tick when they are far from players.

Polytone
Customize Map Color, Block Colors, Colormaps and Block Sounds, Biome Colors, Dye Colors. Supports Optifine format. For Resource Packs

BetterGrassify
Gamers can finally touch grass!? OptiFine's Fancy and Fast better grass implemented on Fabric and NeoForge!
Bocchium
Forge port of Bedrodium, culling bedrock sides for better performance.
RoadRunner
A general-purpose performance mod and fork of the popular "Lithium" mod made for the Forge mod loader.
Spawner Bug Fix
Fixes spawner Lag from bug MC-189565 for Endermen.

Particle Core
Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. Compatible with Sodium, improves performance over Sodium alone.
RenderLib
Library for entity rendering

ServerCore
A mod that aims to optimize the minecraft server.
Cull Leaves
Adds culling to leaf blocks, providing a huge performance boost over vanilla.
Immersive Optimization
A lightweight entity-tick-scheduler for doubling your TPS.

Bliss Shaders
A well performing fantasy styled shaderpack with emphasis on scene variation and customization.
Monocle
An addon that allows Iris to run shaders using Embeddium
APTweaks: Core (11.x Classic)
The core is required for all adaptive performance tweaks modules and provides a shared API, monitoring functionally, events and commands.

AI Improvements
Performance improvements for vanilla AI, with the ability to turn off certain AI behaviors
Fabric Capes
Lets you use capes from OptiFine, LabyMod and other cape mods
MixinBooter
The Mixin Library for 1.8 - 1.12.2.

Rethinking Voxels
[WIP] A gameplay shaderpack based on complementary reimagined that has coloured block light with sharp shadows

Leaves Be Gone
Quick leaf decay from cutting down trees. Built for fast performance and mod compat!
Cerulean
Advancements optimization mod, updated fork of Icterine with added features

MakeUp - Ultra Fast
MakeUp aims to provide the best quality / performance ratio, building a shader that can be adapted to anyone's resources.

ScalableLux
A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.

Sodium Extras
An add-on mod for Sodium that adds new features and customization.

Skyboxify
A skybox mod that allows you to use OptiFine skies in Fabric 1.21+
Radon
Unofficial Fork of CaffeineMC's "Phosphor", made to work with FML
Achievements Optimizer
Improved achievement performance
KubeJS Tweaks
This is an addon for KubeJS to abstract some common usage of KubeJS for heavily modded modpacks. Also applies hotfix when needed.
RLTweaker2
Bug fixes, performance improvements and small features developed for RLCraft