Minecraft Java 1.21 Mods
Browse 1,122 free mods for Minecraft Java 1.21 — popular picks include Fabric Lobby, Iron AI, PolyTech.
Updated daily

Fabric Lobby
Fabric Server-Side mod that adds /lobby command to teleport to a configurable location, and another to go back to where you were.
Iron AI
A customizable AI chat assistant for Minecraft that can learn words, respond to messages, and be taught new responses with simple commands like /ironai teach
PolyTech
a server-side tech and automation mod for Minecraft 1.21.11, built on the Fabric API using Polymer. It introduces a comprehensive energy network and a suite of machines designed to process resources and automate crafting.
Digitech
The best technology mod
BeastTokensProxy
Bungee/Velocity side hook for BeastTokens
AntiNbtKick
A mod that prevents your player from picking up items that exceed the NBT data limit and prevents being kicked in general.
XaerosMapPlugin
Xaero's Map plugin is a lightweight plugin for servers using Xaero's Minimap and Xaero's World Map. The plugin prevents different worlds from sharing or overlapping map data, ensuring that every world maintains its own unique map.
Relocators
Craft Relocators to pick up and move containers such as Chests and Gamemode 4 Machines.
WorldSystem
Give players the ability to create their own world to play on, without using different servers. (per player worlds)
A Crazy Adventure: Science & Survival
A blocky landscape with forests, mountains, a backpacked character facing a machine, and a purple Nether portal under bold white title text.
EntityBatch
Entity Render Batching — sorts entities by type before drawing them so the GPU can render all cows together, all pigs together, etc. instead of switching between types randomly. Fewer GPU state switches = better performance in crowded scenes.
Logout Dummy
A NPC dummy represents offline players, showing their skin and carrying their gear.

Arcane Repository
Store your items and automate crafting with expansive libraries.
Mini 1.21 Loot Farms
Extension pack for Mini Factories! Containing: 1 Mini Wind Charge Farm and 2 different Mini Vault Loot Farms to get a bigger reward after finishing a vault run!
Biomorphosis
A mod about mutations and evolution, where you control an organic ecosystem, creating structures and creatures from living matter. Harness biomass to develop your colony, but be prepared for the dangers your experiments may bring
Simple Batteries
Adds upgradeable battery blocks.
kLocks
kLocks let's you lock chests, barrels, etc. easily!

Tome of Echoes
There's no better method of storing and placing blocks!

Strength 4
This mod give you strength 4 portion in your game/minecraft world this very use full to figth with you friend more damage more win
Tom's Loot
This modpack adds a variety of loot tables and can be used by other mod developers for structure mods and other mods with loot tables as a basis.
Ender Sender: Remote Block Depot
A mod which lets you move items straight to your inventory as you use them up, coming from a special kind of chest.
physicsmod-liquid-bucket-addon
addon for physicsmod added new bucket tool

MaxGraves
Graves and more graves for your Minecraft server
Lockable
Adds locks and keys to allow players to protect their items, or steal from others.
NekoTech
This is a lightweight tech Mod themed around cats.
Create: Archived
Stop belt lag! Automatically compresses thousands of items into a single entity on belts and chutes, fully compatible with all Create processing machines.
Idle Generators
Place a generator and let it work, even offline. Craftable block-generators that produce resources passively over real time, with a live HUD and full Cloth Config support.
Create addon: Info Display
Info Display is an addon for Create that adds two information panel blocks: one for Item Vault, one for Fluid Tank.
Arch's Aeronautics Exploration
A modpack focusing on exploring the possibilities of Aeronautics, combining aeronautics, create, mekanism, and refined storage.
Shared Inventory (NeoForge)
Sync your inventory with friends in real-time!
Forming Press
Create a forming press to unlock more efficient recipes for all types of brick and charcoal.
Chest Transporter: Relocated
Move your chests around with ease!
CompassTrack
Track players in real time with your compass — ideal for PvP, manhunts, and survival. Includes cooldowns, permissions, and live updates.
Immersive Factory - Create and Immersive Petroleum
An immersive factory experience with Immersive petroleum and Create in the focus but with adding mods like Refined Storage. Currently around 120 Mods.
Masters Of Aeronautics
(Remake Of MrBeardStones Just Create SMP 2) Create mod and mekanism. With mass Storage and tech
GravesSystem
GravesSystem replaces item drops on death with an immersive grave system that spawns the player’s head, preserves their exact inventory layout, displays a live hologram, and restores items instantly — all while remaining lightweight and highly performant.