Performance/FPS Mods for Minecraft Java
Browse 23,757 free Performance/FPS mods for Minecraft Java — popular picks include Leaky - Item Lag Fix, RLTweaker2, Nuit Interop.
Step by step: How to install Minecraft Java mods & modpacks
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Leaky - Item Lag Fix
Detects & reports too many stacked items and improves item performance
RLTweaker2
Bug fixes, performance improvements and small features developed for RLCraft
Nuit Interop
Nuit Interoperability for OptiFine/MCPatcher and legacy FabricSkyBoxes sky formats

RLMixins
Minecraft and Minecraft mod tweaker and fixer for the modpack RLCraft
Fast Paintings
Fixes painting rendering, increasing their performance and allowing them to have custom models
Icterine
Advancements optimization (specifically, InventoryChangeTrigger)
OptiFabric
A mod that allows running optifine on fabric.
Ixeris
Buffered raw input and threaded event polling
Mob Despawn Timers
A mod that forces mobs to exist for a time
Ksyxis
Speed up your world loading by removing unneeded chunks.
Does It Tick?
Minecraft's dumbest server performance mod.

Fast Noise
Vanilla Worldgen optimization mod
Sodium Leaf Culling
Smart leaf culling algorithm for Sodium on 1.21+
Not Enough Recipe Book [NERB]
Completely removes recipe book from the game, optimizing player data.
Structure Layout Optimizer
Attempts to optimize the generation of Jigsaw Structures and NBT pieces
Super Duper Vanilla
A shader pack created to convey the style of the cancelled Super Duper Graphics Pack and other popular Minecraft titles.
Vanillin
Instanced rendering for entities and block entities.
kennytvs-epic-force-close-loading-screen-mod-for-fabric
Instantly closes the loading terrain screen on world changing and drastically reduces the resource pack loading screen duration
Krypton Reno
Provides powerful network optimization capabilities for all mainstream systems.
FTB Quests Optimizer
Mod to improve quest performance for servers
Mellow
Shaderpack with a painterly aesthetic made for people who want to actually play the game. It's easy on your eyes and on your computer!
Insanity Shader
A stylized, horror themed Iris shaderpack with high customizability and performance.
Nvidium
Fast nvidia only rendering engine for sodium
GPUBooster
Provides DSA & fastest math formulas to game render system for best perfomance! Compatible with Sodium/Embeddium, Iris and shaders.
Faster Random
[NOTE: This mod is now only intended for use with pre-existing Faster Random worlds]
COBBLEVERSE - Pokemon Adventure [Cobblemon]
Start a true Pokémon adventure in Minecraft: Cobblemon 1.7.3 | ALL 1025 Pokémon! | Mega Evolutions | Gyms & Badges | Starter Kit | Unique Structures | Custom Music | Shaders | Optimized | So much more! [1.21.1]
Radium
Radium is an Unofficial Fork of CaffeineMC's "Lithium", made to work with Forge Mod Loader.
You Shall Not Spawn!
A modpack utility mod that allows to disable spawning of any entity.
Loading Backgrounds
Customize the loading background of the games, and place customizable images.
Sodium Options Mod Compat
Adds compatibility for various mods through Sodium Options API
Wakes Reforged
Adds splashes and wakes while traveling on water, Forge port ! v1.4.0 10x performance update
AsyncParticles
Async particle ticking/rendering.
Exordium
Render the GUI and screens at a lower framerate to speed up what's really important: the worldrendering.
WI Zoom
WI Zoom is a Minecraft mod offering up to 50x zoom with smooth camera movement. Supports Fabric, NeoForge, and snapshots. Also works with OptiFine and Sodium.
Saturn
A performance mod designed to optimize Minecraft's memory usage.
AstraLex Shaders
Shaderpack with very high customization. If you like effects, this shaderpack is made for you!