Minecraft Java 1.21 Mods
Browse 12,077 free mods for Minecraft Java 1.21 — popular picks include ChillCraft - CC1, Sildur's Basic Shaders, AcceleratedRendering-reFabricated.
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ChillCraft - CC1
Just a Chill modpack | Shaders | Distant Horizons | The best for your Minecraft phase | Enhanced Vanilla | Optimized
Sildur's Basic Shaders
Return of an old time favorite! Lightweight and Fast! Reworked and ported from enhanced default.
AcceleratedRendering-reFabricated
A client side only entity rendering optimization MOD, aiming at improving performance when rendering large amount of entities or complex modded entities
Forgeulously Optimized
Forge port of Fabulously Optimized. Your go-to performance modpack for Forge/Neoforge!
Glowing Glazed
Makes glazed terracotta glow to enhance visibility. (OptiFine/Continuity required)
HSM - Mending fix & Skyblock drill fix
Fixes the vanilla mending bug that resets the block break progress while also providing the same fix for Hypixel Skyblock drills.
Better FPS (Modpack)
Utilizes the power of Vulkan API to give you the best performance boost, even on 10-year-old hardware.
Walksy's Mod Folder
My Mod Folder - Made for Crystal PvP
Mace Aim
If u like this mod check out mace smash by me Helps u aim with mace using help full guides and colored hud ALSO NOW HAS A SWORD MODE FOR BREACH SAWPING default key is P also the 1.21.11 version has a toggleable mace line default key M
[Reforged] Accurate Block Placement
makes placing blocks a smooth and reliable process when holding right click.
Head Name Fix
Mob heads will keep their custom names when placed
Breakneck: Optimized
1.21.11 – Level Up Your Vanilla Client with Increased FPS, Shaders, Quality of Life Enhancements, and Visual Improvements.
Marlow Crystal Optimizer
Optimization that fixes waiting on the server after crystal break before end crystal entities are cleaned.
Cobblemon Apex
Enjoy Cobblemon at its finest with our curated selection of over 90 mods, specifically chosen for optimal performance and a streamlined gameplay experience.
Everything Animated!
Animate your minecraft! Adds animations for items without optifine.
PerformanceHUD
Lightweight client-side HUD showing FPS, RAM, entities, chunks, ping, and CPU in one customizable corner overlay.
Living Legend Rewamped
A clean and optimized PvP/SMP resource pack with low particles, smooth GUI, and enhanced visuals for better gameplay.
Unstable SMP Simulator
Pre-configured Unstable SMP battle simulator modpack. Includes: Final Law Battle, 2v1000 Law Battle, Great Sea Law Battle, Tournament, Cindercrest Battle, Lakerek VS Wemmbu, Law End Island Defense, Mist, Smuggler Path Law Fight, Underworld
Anti Aliasing (TAA, FXAA)
Fix rendering aliasing (TAA, FXAA)
Optifine Capes Reborn
A fork of Capes to only allow Optifine Capes
No Explosions Particles
Useful for crystal pvp, it can reduce lag.
PvP Optimized
The best modpack out there which focuses on improving in game FPS and your pvp experience with mods like sodium, lithium, BetterHurtCam+, etc to ensure maximum performance and pvp experience
CraftSense
A Minecraft mod that suggests crafting recipes based on what you’ve crafted before, letting you quickly craft items with one click or a keybind.
ZNPCsPlus
A Spigot plugin for creating interactable fake entities
TrueLightFX
TrueLightFX is a custom Minecraft shader offering a wide range of customizable settings.
SeeMore
A simple plugin to set a player's server-side view distance according to their client-side render distance.
Dragon survival enhanced
Enhances dragon survival with fantasy themed world
Create Aeronautic
This is a Minecraft 1.21.1 NeoForge pack centered on the Create mod and Aeronautics for advanced mechanical automation and airships. It is heavily optimized for visuals and performance using Distant Horizons, Sodium, and the EMI utility suite..
Mine In Abyss Modpack
A recreation of 'Made in Abyss' in Minecraft. Optional modpack to play on the server.
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.
TerraCraft:Confluence
Lightweight modpack to enjoy the content of Terraria in Minecraft 1.21.1, with mod Confluence:Otherworld.
NonUpdate Reloaded
Blocking network connections to prevent update checks and reduce Minecraft startup time
Better Overworld (BOW)
This Modpacks aims to better the aspect of Exploration in the overworld and including some Quality of Life while staying as Vanilla as possible.
HitColor Mod - NEW
HitColor Mod is a lightweight Minecraft Fabric mod that lets you customize or remove hit effect colors for a cleaner, smoother combat experience.
NijahPlay's Personal Pack
A completely vanilla modpack to make the game feel full of life, with far better performance! With Sodium as a base, and Iris for shaders, I combine cutting edge and well tested mods to get the best possible performance without looking dull!