Minecraft Java 1.21 Mods
Browse 3,634 free mods for Minecraft Java 1.21 — popular picks include Cobblemon BattlePlus, Fleecifer, Nice Mob Scaling.
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Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
Fleecifer
Turns all sheep hostile...
Nice Mob Scaling
Randomized Mob sizes in a decent way.
RealisticSeasons
Premium multi-world seasons plugin with biome-aware weather, persistent temperature preferences, crops, mobs, and immersive effects.
Minecraft Villager Trade Manager
Complete control over villager trading economics with custom pricing and discount prevention Minecraft Villager Trade Manager is a comprehensive Paper/Spigot plugin that gives server administrators complete control over villager trading economics. Take co
No Vex ❌
Disable Vex in Minecraft by preventing its spawning and removing any that appear in the world
Create: Back Off!
Keep entities at bay and stop griefing
No Mob Burn
Makes zombies & skeletons don't burn in daylight
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
Survival Reimagined (NeoForge)
A Minecraft Mod with the goal of making Minecraft harder with a more realistic approach at progression
Redstone Robot
Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!
Raven's Idea
A mod added some fantasy idea and stuffs
Happy Ghast: BombsAway
BombsAway, allows players to throw TNT from the back of a happy ghast with a simple right-click!
No Stray ❌
Disable Stray in Minecraft by preventing its spawning and removing any that appear in the world
Simple Bucket Mobs
Scoop up whatever mob you want in a bucket!
Nice End Mobs
Mob additions for the End Dimension to make it a more interesting place to explore.
No Skeleton Horse ❌
Disable Skeleton Horse in Minecraft by preventing its spawning and removing any that appear in the world
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…
Screw Phantoms
Remove Phantoms from the game completely. No Phantoms.
Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.
Unusual Precipitation (Rain)
This datapack rains random items/mobs/projectiles from the sky!
Potatomod
The potatomod is a funny and unlogical mod.
Ravents
🗸 Ravents for custom mechanics. Design multi-wave raids with complex triggers, create unique mobs with modified stats, gear, and mounted towers. Spawn control: Replace vanilla mobs or add custom copies.

Mineable Spawners
Makes spawners and trial spawners mineable (ONLY!) with a silk touch netherite pickaxe
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.
No More Explosions
🧨 Disable explosions in your world. Configurable!
Following Horses
Makes tamed Horses follow you
Aio's Legendary Spawning Datapack
A datapack that adds some legendary spawning to cobblemon!
No Zombie Horse ❌
Disable Zombie Horse in Minecraft by preventing its spawning and removing any that appear in the world
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.
Pet Passive Health Regeneration
Automatically heal all your tames/pets over time. No need to feed!
Cool End
This mod adds new biomes, structures, mobs and resources to the End and Overworld, expanding exploration and improving gameplay and visuals.
Dimensions+
Enhance your adventure with new features, creatures, and challenges in this Minecraft mod.

Big Salmon
Highly customizable variable salmon spawning sizes with support for custom loot tables for big salmon.

Detailed mobGriefing
MobGriefing can be toggled on and off for each entity. ゲームルールでモブごとにMobGriefingを設定できます。(現在はクリーパー、エンダーマン、ガストのみ対応しています。)
TargetLock
Press J to instantly aim your camera at the nearest living entity within 10 blocks. If no entity is in range, a message will appear on your screen letting you know.