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Minecraft Java 1.21 Mods

Browse 12,367 free mods for Minecraft Java 1.21 — popular picks include JuggernautSMP, PocketHouse, Chikatilo Assassino.

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JuggernautSMP
1.21

JuggernautSMP

JuggernautSMP is a competitive PvP minigame plugin for Minecraft (Paper 1.21) where one player becomes an overpowered boss — the Juggernaut — and everyone else must team up to take them down.

141downloads
PocketHouse
1.21.10fabric

PocketHouse

A pocket dimension mod with a house that can be customized to accommodate mobs. Crafting is easy and balanced, with 1 bag and 8 eye enders around the bag in a workbench.

141downloads
Chikatilo Assassino
1.21.4neoforge

Chikatilo Assassino

The modification adds the brainroth "Chikatilo Assassino" to your world, which is able to cut you with its katanas.

141downloads
Gigeresque - Create: Northstar compatibility
1.20.1

Gigeresque - Create: Northstar compatibility

This Datapack adds some compatibility between Gigeresque and Create: Northstar.

141downloads
Rav's Halloween
1.21.1neoforge

Rav's Halloween

This Mod Adds New Halloween Themed Mobs And Armor Also WEAPONS

141downloads
AwakenedSilverfish
1.21neoforge

AwakenedSilverfish

The behavior of silverfish with minor changes increases its difficulty.

141downloads
BedWars Pack 16x
1.20

BedWars Pack 16x

A clean 16x BedWars PvP texture pack with custom particles, wool, sounds, items and a competitive look.

140downloads
Better Pathfinding
1.21.1neoforge

Better Pathfinding

A mod that fixes vanilla mob pathfinding bugs / 修复原版生物寻路缺陷

140downloads
Mobs patch for vampirism
1.21.1neoforge

Mobs patch for vampirism

You need mutant monsters by the moment. Fixed behaviour for stray, husk and mutant monsters using mixin

140downloads
Origins: Tortugan
1.21

Origins: Tortugan

Origin datapack that adds the Tortugan, an origin based on the Turtle.

140downloads
Tech mod nuclear
1.21.1neoforge

Tech mod nuclear

Adds alot of random stuff i like really

140downloads
Quiet Unboxing
1.21.1neoforge

Quiet Unboxing

This mod enables silent chest opening while sneaking and holding right-click

140downloads
Coming And Going Without a Trace│來去無蹤
1.21.9

Coming And Going Without a Trace│來去無蹤

Illusionists will now spawn in raids and drop unique items.│幻術師現在會在突襲中生成,並且會掉落獨特的道具。

140downloads
Chicken Courier
1.21

Chicken Courier

ChickenCourier adds a fun and immersive way for players to send items to each other.

140downloads
Enhanced Spawners: Chambers of Control
1.20.4

Enhanced Spawners: Chambers of Control

Enhanced Spawners: Chambers of Control lets players upgrade and customize mob spawners using survival items, with full redstone control and spawn egg integration — all without commands or GUIs. Designed for clean, technical mob farms and dungeon systems.

140downloads
beacons item
1.21.1neoforge

beacons item

adds items like the beacon sword error igniter pizza burger coca cola and redbull(creative only) a dimension error that has previously unobtainable blocks error entity(has high knockback) duck(tamable with wheat seeds) currently working on guns

140downloads
Abnormals Bare Bones
1.18.1

Abnormals Bare Bones

Incubation, Allurement, Pet Cemetery compat with Bare Bones

140downloads
Wandering Trader backport
1.21.4

Wandering Trader backport

A backport of the 25w07a Wandering Trader

140downloads
Hanging Heads
1.21.1neoforge

Hanging Heads

Allows mob heads to be placed on the underside of blocks.

139downloads
Simple Herobrine Mod
1.21.8fabric

Simple Herobrine Mod

A Herobrine mod only to scare your friends.

139downloads
The Warden Scythe
1.21.11

The Warden Scythe

This datapack add a powerful weapon but hard to get !

139downloads
👮AntiHackerPolice
1.21

👮AntiHackerPolice

This plugin has been designed for competitive networks seeking to engage their community in the fight against cheaters through a dynamic patrol and rewards system.

139downloads
Space Mod
1.21.1fabric

Space Mod

Do you hate when you fall thought the void in the end and lose everything? This mod adds a space dimension below the end!

139downloads
Artifacts and Bosses
1.21.1neoforge

Artifacts and Bosses

This mod adds new gems that can be collected from 4 new bosses

139downloads
Spawn Filters
1.21

Spawn Filters

Allows you to create a blacklist to prevent certain entities from spawning

139downloads
Iffex's Wither Additions
1.21.11

Iffex's Wither Additions

A simple data pack that revamps the Wither fight in Minecraft.

139downloads
NoMobGrief
1.14spigot

NoMobGrief

Disallows Creepers and Endermen from destroying your world.

139downloads
Villager Expensive Trades
1.19

Villager Expensive Trades

This plugin allows you to make villager trades 9 times more expensive by replacing emeralds with emerald blocks when buying things. Also removes "Hero of the Village" effect when you trade with villager.

139downloads
dash sword
1.21.1neoforge

dash sword

adds new swords adds various crafts

139downloads
Tithe
1.21.11fabric

Tithe

A Hardcore multiplayer mod in which death is a debt. The living can pay a tribute to bring back the fallen.

138downloads
iiZo7al PvP
1.21.11fabric

iiZo7al PvP

A lightweight PvP-focused Fabric modpack designed for maximum FPS, smooth gameplay, and competitive Minecraft combat.

138downloads
Perpetual Motion
1.21.1neoforge

Perpetual Motion

Perpetual Motion is a Create mod-focused modpack that enhances Minecraft’s vanilla charm with deep automation possibilities, now with Aeronautics!

138downloads
The Echo Horror
1.21.8neoforge

The Echo Horror

A progressive psychological horror mod that introduces strange anomalies, distant watchers, unexplained encounters, and escalating disturbances as the days pass.

138downloads
CTD's FNAF Texture Pack
1.21.7

CTD's FNAF Texture Pack

Retextures mobs, armors, and Items to be FNAF themed. This texture pack is a W.I.P. as a self project that I work on every once in a while. Some art is bad which I plan to redraw eventually.

138downloads
DismountEntityPlugin
1.16

DismountEntityPlugin

🚏 Allows players to release entities and mobs from boats and minecarts without breaking them.

138downloads
Sender's Return Policy
1.21.8fabric

Sender's Return Policy

A mod that allows you to specify which items/projectiles can reflect redirect-able projectiles such as Ghast fireballs and Breeze wind charges.

138downloads