Quilt Mods for Minecraft Java
Browse 557 free Quilt mods for Minecraft Java — popular picks include Better Underground Caves, BlinkLoad, Sodium/Embeddium Device Check.
Step by step: How to install Minecraft Java mods & modpacks
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Better Underground Caves
Optimize the original cave terrain and add large underground cave terrain.
BlinkLoad
Caches assets to reduce game loading times.
Sodium/Embeddium Device Check
A Minecraft mod can check you device
Compact F3 Plus
a mod that replaces the vanilla F3 with a clean, minimal hud overlay.
NoDynamicFps
Adds an option to disable Vanilla's Dynamic FPS implementation
CIT Reborn
Mod for return support CIT Optifine Resource pack's

Adaptive Performance Tweaks
The Adaptive Performance Tweaks mod automatically adjust specific settings on the server to allow a better TPS/FPS.
Chunky Offline
An add-on/extension of Chunky to generate chunks when no players are online.
Infinite Night Vision
This datapack adds infinite night vision to all players in the given world.
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
Jasione
Reduce GC pressure by safely eliminating Enum#values array cloning and memory allocation overhead through bytecode analysis
Classic Enchanted Golden Apple Crafting
Bring back the classic recipe for Enchantment Golden Apple!
NoCollision
Removes collision from a few passive mobs to increase FPS and TPS!
MC-249136 Fix
A hacky fix for server lag spikes when generating shipwreck buried treasure map / explorer map loot.
FixMCStats
Mod that aims to fix multiple issues with the Minecraft statistics 🤓
MenuFPSUnlocker
This mod raises the frame rate of the main menu from 30fps or 60fps to 120fps
Eslium
Predicts server actions - general latency/ping effects optimizer
Mob Stacker Ind.
Greatly increases performance by merging/stacking nearby mobs, reducing the physical number of entities in the world. Hypothetically 2147483646 times better performance.
Noisium Legacy
Optimises worldgen performance for a better gameplay experience

Axis World Editor
Vanilla WorldEdit: 1 Tool, ∞ Features.
Cauldron Concrete Powder
CauldronConcretePowder is a simple Datapack created to add to possibility for players to drop concrete powders directly in water cauldrons to transform them. Datapack optimized as much as possible. Working faster than VanillaTweaks' one.

Redstone Sound Slider
Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.
NonUpdate Reloaded
Blocking network connections to prevent update checks and reduce Minecraft startup time
Incendium Translation Fix
Fixed the incorrect translation keys for some loot items in Incendium's structures, and also resolved critical bugs related to Sentry's Wrath and Firestorm.

Fast Surface
A vanilla worldgen optimization mod to optimise block calculations during surface builder
BandwidthOptimizer
Save your MC bandwidth with big quantities.
Slumber
Let the server rest while there are no players online
Block Entity Render Distance
Limits the rendering distance of Block Entity
Blendium
Alpha blending for Distant Horizons and Sodium!
Potatoptimize
Let tater optimize your game!

Just A Baguette
Adds just one item to the game: A Baguette.
Recoleta
A pure memory reduction mod for Minecraft
Dokko's Hotbar Optimizer
Makes hotbar sync 1 tick sooner, reducing ghost totems and making attribute swapping easier
Memory Leak
A server side administrator and developer tool to intentionally cause controlled memory leaks. Perfect for stress testing servers, testing memory monitoring tools, or simulating memory pressure scenarios.
Cactus Mod
Free customizable Mod to improve Minecraft with unique QoL, Redstone Tools, Survival and Mapmaking features such as ArmorStand and NBT Editor, Capes, more HUD elements, Account Switcher and much more
BactroTweaks
Fullbright, low fire, low shield, no fog, no pumpkin blur and more all in one mod!