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Minecraft Java 1.21 Mods

Browse 12,087 free mods for Minecraft Java 1.21 — popular picks include Inventory Highlighter (HighlightRender), ViewLockerMod, Horrorgames.

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Inventory Highlighter (HighlightRender)
1.21.5fabric

Inventory Highlighter (HighlightRender)

Highlights items in your inventory 🎒 with different colors 🌈 THE FIRST remake of “Highlighter” 🔄 based on type and enchantments ✨. for newer versions 🆕, fully customizable ⚙️ with adjustable colors 🎨, rules 📏, and highlighting 🔍.

2.5kdownloads
ViewLockerMod
1.21.10fabric

ViewLockerMod

Lock your camera to saved angles for farming or grinding — freeze your mouse with one command and restore it instantly when done.

2.5kdownloads
Horrorgames
1.21.4fabric

Horrorgames

Horrorgames – A spooky Minecraft modpack with mystic creatures, eerie events, and performance optimization for smooth, terrifying gameplay.

2.5kdownloads
Minecraft 1.21: Potato Certified
1.21fabric

Minecraft 1.21: Potato Certified

A Minecraft 1.21 optimization modpack battle-hardened and tested against 2006-era PC hardware! You may encounter some stuttering in singleplayer on that kind of hardware, but it's nothing unmanageable without a shield and some armor.

2.5kdownloads
Minecraft Faithfully Remastered
1.21.11fabric

Minecraft Faithfully Remastered

Vanilla Minecraft faithfully remastered

2.5kdownloads
AntiSeedCracker
1.21.4

AntiSeedCracker

Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.

2.5kdownloads
Packet Shield
1.21fabric

Packet Shield

Client-side mod that automatically prevents kicks from malformed packets, excessive payloads, or impossible movement. Filters packets, checks rotation, and throttles interactions.

2.5kdownloads
Create: SatisFactory
1.21.1neoforge

Create: SatisFactory

Master the art of automation with a high-performance modpack. Featuring Create Aeronautics, this pack transforms your machines into dynamic physical contraptions with real-world momentum and interaction. No bloat, just pure engineering.

2.5kdownloads
Animatica Continuation
1.21.11fabric

Animatica Continuation

Unofficial continuation of Animatica for Minecraft 1.21.11. Allows for animating more game textures using the MCPatcher/OptiFine animation format.

2.5kdownloads
HighFrames
1.20

HighFrames

HighFrames is a lightweight Minecraft shader focused on delivering smooth gameplay with subtle visual enhancements like soft shadows, bloom, and animated water.

2.5kdownloads
Create: Fresh Start
1.21.1neoforge

Create: Fresh Start

Rediscover Create with all it's new features in an advanced Vanilla+ modpack!

2.5kdownloads
OptiFine for Quilt
1.21.7quilt

OptiFine for Quilt

OptiFine features for Quilt! Experience high performance - even on low end systems. 1.21.7 alpha!

2.5kdownloads
Etherea Shader
1.16.5

Etherea Shader

A high quality vanilla-styled shaderpack built for exceptional performance.

2.5kdownloads
pico's sodium optimization pack
1.21.4neoforge

pico's sodium optimization pack

This is a modpack designed to reduce lag using sodium.

2.5kdownloads
Crazy PVP
1.21.4fabric

Crazy PVP

PVP with cool visuals + optimization. Are you ready to win?

2.5kdownloads
SurShield Modification
1.21.1neoforge

SurShield Modification

Modpack that combines the mechanical genius of Create, the iconic Satsu Iron Man Addon, and the gritty superpowered chaos of The Boys: New World — delivering advanced automation, and an immersive world of limitless possibilities.

2.4kdownloads
Cobblemon: Oreidia
1.21.1fabric

Cobblemon: Oreidia

The official modpack for the Cobblemon: Oreidia series. It mainly features Cobblemon as well as a plethora of community-made addons, but it also contains QoL tweaks for multiplayer.

2.4kdownloads
DragLed Optimized
1.21.11fabric

DragLed Optimized

DragLed Optimized includes a wide range of mods that significantly improve graphics, performance and the overall gaming experience. It offers updated textures, effects and animations to make the game visually more appealing.

2.4kdownloads
Croptopia & Botany Pots compat
1.21.1neoforge

Croptopia & Botany Pots compat

This mod adds full compatibility between Croptopia and Botany Pots for Minecraft 1.21.1 on NeoForge.

2.4kdownloads
SimplyVanilla Minus
1.21.10fabric

SimplyVanilla Minus

[OBSELETE] A lightweight version of the SimplyVanilla modpack

2.4kdownloads
Hopplet (Hopper Filters)
1.21.8

Hopplet (Hopper Filters)

Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.

2.4kdownloads
Optimization Maximized [Curseforge]
1.21fabric

Optimization Maximized [Curseforge]

A Modpack with all the Optimization Mods in the World!

2.4kdownloads
Rose World Shader
1.17

Rose World Shader

See the world through rose-colored glasses. Warm pink tint with soft peach highlights, subtle dreamy flicker, and gentle vignette. Perfect for Valentine's Day or just a more romantic Minecraft!

2.4kdownloads
Boostic
1.21.8neoforge

Boostic

Simple fps boost modpack

2.4kdownloads
Pure Vision GUI + FPS Boost
1.20

Pure Vision GUI + FPS Boost

A clean, transparent PvP HUD that removes distractions and sharpens your focus in every fight.

2.4kdownloads
Bunnycraft
1.21.8fabric

Bunnycraft

QoL modpack for the use on the Bunnycraft SMP

2.4kdownloads
CraftsExpanded+
1.21.4neoforge

CraftsExpanded+

More crafts in the vanilla game! Recently added Trident crafting and the ability to smelt Rotten Flesh into Leather! Also, Horse Armor and Saddle are now craftable!

2.4kdownloads
INTELLIUM
1.21fabric

INTELLIUM

Intellium is a Fabric performance mod only for Intel CPU and GPUs and applies targeted optimizations all optimizations activate immediately for smoother, stutter-free gameplay.

2.4kdownloads
justRTP | RandomTP, evolved.
1.21spigot

justRTP | RandomTP, evolved.

A premium-quality Random Teleport plugin, offering unparalleled safety, performance, and more

2.4kdownloads
Simple Physic
1.21.11fabric

Simple Physic

Simple Physic brings realistic item physics, ragdoll effects, and smooth first-person animations to Minecraft. Powered by Fabric, it mixes chaos and fun with great performance — watch mobs fly, items tumble, and explosions come alive!

2.4kdownloads
AutoTotemX
1.21.9fabric

AutoTotemX

Automatically refills your off-hand with another Totem of Undying the instant one activates.

2.4kdownloads
HugoSMP
1.21.8

HugoSMP

A (unofficial) performance-focused modpack specifically optimized for the HugoSMP server, featuring allowed quality-of-life improvements and visual enhancements.

2.4kdownloads
Moonlight Theme | Iris Shaders
1.20.1

Moonlight Theme | Iris Shaders

This set of resources changes the interface textures associated with the 'Iris Shaders' mod.

2.4kdownloads
Auto-fishing mod
1.21.8fabric

Auto-fishing mod

A mod to automatically reel in and re-cast your rod. Made to work with Fabric.

2.4kdownloads
PySpigot
1.16

PySpigot

A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).

2.4kdownloads
PVP Matrix
1.21.4fabric

PVP Matrix

PvP Matrix – Optimized PvP Modpack for Low-End PCs PvP Matrix is a lightweight modpack tailored for Minecraft, designed to enhance player-versus-player combat while ensuring smooth performance on low-end systems.

2.4kdownloads