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Minecraft Java 1.21 Mods

Browse 12,339 free mods for Minecraft Java 1.21 — popular picks include HappyDays, All Jebbed Out!, EzLifesteal.

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HappyDays
1.20.1forge

HappyDays

Explore the horrors that have entered the your system, and try to survive with them hunting you down like an animal.

2.5kdownloads
All Jebbed Out!
1.21fabric

All Jebbed Out!

All mobs now have that rainbow effect when named 'jeb_'

2.5kdownloads
EzLifesteal
1.21

EzLifesteal

Steal hearts from other players with leaderboard, auto-ban and more tools for competitive Minecraft Lifesteal servers

2.5kdownloads
Happy Ghast Improvements
1.21.11neoforge

Happy Ghast Improvements

Makes Happy Ghasts quieter and allows you to boost their speed by feeding them different items

2.5kdownloads
Cobblemon No Man's Craft Compatibility Patch
1.21.1

Cobblemon No Man's Craft Compatibility Patch

Fixes Cobblemon not spawning and asphyxiating on alien planets

2.5kdownloads
Ironbound Realms
1.21.11forge

Ironbound Realms

You start in a brutal medieval world where monsters rule the night and kingdoms rise and fall, will you overtake it all.

2.5kdownloads
Illager Only
24w21a

Illager Only

Datapack that disable hostile mob from spawning inside a mansion

2.5kdownloads
Better Entity Culling (BEC)
1.21.1fabric

Better Entity Culling (BEC)

BEC (Better Entity Culling) is a lightweight client-side mod for Fabric that improves Minecraft performance by skipping the rendering of mobs, items, projectiles, and other entities that are outside your field of view.

2.5kdownloads
End corruption (abandoned)
1.20.1forge

End corruption (abandoned)

want a end infection? this mod is for you! he adding infected versions of mobs new biome, blocks and items!

2.5kdownloads
Happy Speed - Happy Ghast Enchantment
1.21.6

Happy Speed - Happy Ghast Enchantment

This mod adds a harness enchantment that makes Happy Ghasts move faster.

2.5kdownloads
End Game Radical Trainers
1.21.1

End Game Radical Trainers

Additional end game content for Radical Cobblemon Trainers

2.5kdownloads
Betters Amethysts
1.21.4neoforge

Betters Amethysts

a small mod that add armor , tool , dimention, mobs and more of amethyst,ice,clay,obsidian,copper,quartz,dirt,emerald,endium

2.5kdownloads
Mythocraft
1.21.1neoforge

Mythocraft

Artifacts and Creatures from Greek Mythology in Minecraft

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
Whaleborne - Yeet Cannonry! Addon
1.21.1neoforge

Whaleborne - Yeet Cannonry! Addon

As if blocks weren't enough... Cannon ammunition expands its repertoire... Players!

2.5kdownloads
Artisan Pottery
1.21.1neoforge

Artisan Pottery

This mod adds a variety of new features related to the archeology update. Pots can now be customized how ever you want, there are new animals roaming the deserts and badlands and new structures to uncover.

2.5kdownloads
ScalingMobs
1.21.1neoforge

ScalingMobs

Adjusts the stats of bosses and mobs, multiplied by the number of players on the server.

2.5kdownloads
Simple Seasons
1.21fabric

Simple Seasons

Adds a simple season system.

2.5kdownloads
Jose's ULTIMATE NONSENSE pack
1.21.8

Jose's ULTIMATE NONSENSE pack

Turns almost every mob into characters from various media :D

2.5kdownloads
Levels smp (Posh Edition)
1.20spigot

Levels smp (Posh Edition)

A competitive Minecraft plugin that enhances survival gameplay with level-based health scaling, cust

2.5kdownloads
AntiTrample
1.8

AntiTrample

Prevent players and mobs from trampling on your crops.

2.5kdownloads
Mystborn Horizons
1.21.1fabric

Mystborn Horizons

A progression mod to add more ores, mobs, bosses and structures.

2.5kdownloads
Combo Rush 16x
1.21

Combo Rush 16x

ComboRush 16x by Ahad Playz is a smooth PvP texture pack built for fast combos and competitive gameplay. It includes short swords, bright particles, and a purple theme for better visibility. Perfect for Bedwars, Skywars, Duels, and intense PvP fights.

2.5kdownloads
Wither Skull Overhaul
1.21fabric

Wither Skull Overhaul

Make the fight forward to the Wither easier by changing the way you can obtain the Wither Skull!

2.5kdownloads
Copper Golem Hats
1.21.9-rc1

Copper Golem Hats

Stylize your Copper Golems

2.5kdownloads
Monster Room+
1.21.8fabric

Monster Room+

15+ new monster rooms variants! Vanilla blocks only

2.5kdownloads
The Finley Dimension Remastered
1.21.8neoforge

The Finley Dimension Remastered

A simple mod that adds a new dimension, monsters, and biomes.

2.5kdownloads
Death Sounds
1.21.11fabric

Death Sounds

the Mod that plays a sound on death of a player.

2.5kdownloads
Entity Highlighter
1.21.5

Entity Highlighter

Highlight nearby entities with a trigger.

2.5kdownloads
Anti-Mace
1.21.1neoforge

Anti-Mace

A simple quality of life mod where turtle helmets negates mace falling attacks.

2.5kdownloads
Ordem Paranormal - O Medo Rege Tudo
1.21.1neoforge

Ordem Paranormal - O Medo Rege Tudo

A mod for fans of Paranormal Order RPG

2.4kdownloads
MobMoney
1.8

MobMoney

This plugin makes killing various mobs valuable for which you will receive money

2.4kdownloads
Bray's Barnyard Overhaul
1.20

Bray's Barnyard Overhaul

A pack that adds mob variants for many animal mobs!

2.4kdownloads
MechaMew2 [cobblemon]
1.21.1

MechaMew2 [cobblemon]

A mechanized Mewtwo engineered for perfection

2.4kdownloads
Shadow of the Soul
1.21.1neoforge

Shadow of the Soul

Shadow of the Soul: A dynamic psychological horror mod. Features a Fear Level system that reacts to darkness, depths, and injuries. Includes adaptive AI that stalks you, auditory hallucinations, and environmental sabotage. Light is your only safety.

2.4kdownloads
Name Tag Mobs To Be Friends
1.21

Name Tag Mobs To Be Friends

Name Mobs "Friend" to Make them Friendly Towards Players

2.4kdownloads