Minecraft Java 1.21 Mods
Browse 577 free mods for Minecraft Java 1.21 — popular picks include Avatar: Bending World, Cobblefusions!, Disable Mob Griefing.
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Avatar: Bending World
A mod about the TV show: Avatar the last airbender
Cobblefusions!
A datapack that introduces fusions into cobblemon, Cobblefusions!
Disable Mob Griefing
Small plugin that allows toggling griefing per mob, disabling explosions, and explosion player damage. Useful if you enjoy working villager farms but hate pesky enderman and creepers.
Deformation Dimension
Nerfs elytra by adding an entirely new dungeon-like dimension you need to complete to obtain one.
Attack indicator
Customizable floating damage indicators for Paper servers. Clearly display damage dealt to mobs with stylish placeholders!
DayCraft REVAMPED
DayCraft is made for everyone. Structures, mobs, and new mechanics will come to your world.

Lunamatic
Make your nights worth staying awake for! Adds effects for full & new moons, including rare harvest & blood moons 🌓
Happy Ghast
Happy Ghast backport to 1.21.4-5
Ben 10 Classic Datapack
Become a hero with this datapack!
Token Smp Season2
The best plugin for your smp token smp season 2 with 87 mobs token
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
More_origins
Adds more origins to the origins mod
Myths and Magic (Centimental)
This mod is specifically created for the Centimental^2 SMP. It adds unique weapons, armor, and mobs to Minecraft
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Origins: Giant and dwarf
this mod adds the Giant and Dwarf origins from the More_origins mod
No Creeper & Ghast Explosions
Prevents Creepers and Ghasts exploding blocks, but they still do damage. Very lag friendly and optimised.
Stay Frosty
Cold-related entities may now deal bonus frost damage.
Necromancers Shadow
Allows you to capture and summon the souls of mobs!
Inns & Innkeepers
Adds Inns and Innkeeper villagers to world generation. Includes optional Hearthstone item to allow players to return to a bound Fireplace.
Extractrooms
Backrooms-themed looter mod. Clip inside, loot randomly generated rooms, and find the exit before the timer runs out.
Wisp & Willow
A magic mod, inspired by occultism, botania, and thaumcraft.

PickMeUp
Pick Up Entities and carry them somewhere
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
Chain Reaction Creepers
This mod makes creepers explode when they take damage from another explosion.
Morphy
Morphy a Morph mod Transform into mobs and blocks inside Minecraft. Become mobs or blocks and truly become one of them. Compatible with modded entities and content.
Cave Born
Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!
Niobium
A mod that adds features that should be in Vanilla.
Grace999
GracePlugin provides configurable, per-world grace periods with PvP and mob damage protection, boss bar countdowns, sound alerts, and customizable safe zone regions with flag-based protections.
Crital
Overhaul Crit chance and Crit damage and implementation Monster Crit System (RPG-Like) Archived : Currently rewriting new one
Strength SMP // S1 & 2
A Datapack that adds the feature of Strength SMP.
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Potatomod
The potatomod is a funny and unlogical mod.
the broken script two
The Broken Script Two is a dark adventure mod for Minecraft 1.21 that shatters our very perception of the world. You play as the Scriptbreaker, a wanderer with the power to alter the code of reality. Experience stories intertwined with nightmares.
Improved Enchanting
Definitive Edition v2 for 1.21.11 Just Came out, Come here if you want a vanilla - friendly overhaul of the enchanting system, with new enchantments, and a new enchanting system.
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
Early Creaking
Creaking Mob, with Creaking Heart. Server-side mod!