Performance/FPS Mods for Minecraft Java
Browse 23,757 free Performance/FPS mods for Minecraft Java — popular picks include FPS Modpack, CrashPatch (Crash Preventer), Fixeroo.
Step by step: How to install Minecraft Java mods & modpacks
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FPS Modpack
Minimal modpack optimized for improving game performance. Includes only essential mods to boost FPS and reduce system load while maintaining stability and smooth gameplay.
CrashPatch (Crash Preventer)
Stop crashes from closing your game! By Polyfrost, best with OneClient.
Fixeroo
I fix and optimize Minecraft code when i feel like it
Anchor Optimizer
Makes anchoring look like zero ping, Allowed on VTL And mcpvpclub
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 :]
LightSpeedRe
Reduces your waiting time by loading modpacks significantly faster (currently 48% - 71%)
Fresh & Smooth
Making Minecraft As Animated, and As Fresh As possible while remaining fully client-based (similar to Actions & Stuff pack)
Async Pack Scan
Speeds up the resource pack organizer screen
NoiseThreader
Improves world generation performance by multi-threading noise generators
Fantasy Shaders Reimagined
Colors of fantasy, vivid and striking

Aged
realistic / medieval / progression based modpack for Fabric 1.21.1
Performance Tweaks
Several optimizations and bugfixes. Entity Collision FPS fix, Let-Me-Despawn, railway optimization and alternate current.
Remarkably Optimized
1.16.5-26.3 | A performance mod pack to save your computer from doubling as a starchy spud with a remarkably optimized collection of mods!
Create+
A simple, optimized, vanilla+ pack, except for the inclusion of Create (and its addons). Now with Create: Aeronautics!
Body Camera
Adds a body camera effect

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.
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.
RenderPearl
Clean, high performance shaders for modern hardware
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
CrescentLib
Library For My Mods.
Jauml
Jauml is a lightweight configuration library for Minecraft mods, designed to simplify JSON-based config management
Workstation Recipe Exporter
Provides mod authors with more convenient visual recipe editing
Spark Unforged
A backport of the performance profiling mod Spark to 1.12.2

Simple Datapacks
Simplifying the use of datapacks
Pipez Lag Fix
Adds eco mode to item pipez to improve performance
ResourcePackCached
Keeps server resource packs loaded, so they don't need to be reloaded when you rejoin.
Video Tape
Fixes GPU-related memory leaks
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.
红石生电优化【Redstone Survival Optimization】
一个红石玩家必备的整合包,轻,快,小,是他的特点!A must-have integration package for a Redstone player, light, fast, and small, are his characteristics!
FTB Quests Freeze Fix
Caches the FTB Quests menu on startup to prevent freezing in game!
Incendium Biomes Only
Removes structures, items, mobs and bosses from Incendium, leaving only the biomes and terrain.
Lux V1
Lux is a high fidelity Minecraft: Java Edition shader pack based on Capt Tatsu's BSL Shaders.
Carpet PVP
Fork of Carpet Mod that fixes PVP-related bugs with carpet fake players and adds some new commands.

EpicFight-Extra's Sword Trail Optimization Pack
Modified the action data of EpicFight-Extra to make your action blade light cooler and more advanced
StutterFix
Reduce stuttering when generating new chunks
PolyPatcher
A Forge mod full of Vanilla bug fixes, Quality of Life improvements, and performance enhancements.