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Minecraft Java 1.21 Mods

Browse 3,674 free mods for Minecraft Java 1.21 — popular picks include RealMobSize, oSzoukaua's: Leaf Litter, Cobblemon Torchmaster Fix.

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RealMobSize
1.21

RealMobSize

Generate your mobs with real-life scale

514downloads
oSzoukaua's: Leaf Litter
1.21.11

oSzoukaua's: Leaf Litter

A little datapack that makes decaying leaves drop leaf litter or petals on the ground!

514downloads
Cobblemon Torchmaster Fix
1.21.1fabric

Cobblemon Torchmaster Fix

Allows Torchmaster to prevent Cobblemon from spawning in areas where it is not allowed to spawn.

513downloads
Cobblemon: Mega Raichu Ability Patch
1.21.1

Cobblemon: Mega Raichu Ability Patch

A datapack for Navas ZA Megas that changes Mega Raichu's abilities to the ones in champions.

512downloads
Back to Blocks
1.21.4

Back to Blocks

Turn slabs, stairs, walls and carpets back into their block variants!

511downloads
Configurable Villagers
1.21.9fabric

Configurable Villagers

Server-side mod that puts villager trading, restocking and breeding in a config file. No client install needed.

510downloads
Eternal Quests: RPG Overhaul
1.21.8neoforge

Eternal Quests: RPG Overhaul

Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!

510downloads
Decharted
1.21.1neoforge

Decharted

Decharted is a mod based around the corruption of the world, this mod allows multiple ways for the player to send their friends (or foes), to a separate dimension to have them stuck. You may also be able to spawn trap players before they die and respawn.

508downloads
Better Husk
1.21

Better Husk

Tired of digging sand? This datapack will help you! Now husk drop sand. You can use this for farms :)

508downloads
Random Name Generator
1.21.9

Random Name Generator

Generates random names for entities as you name them!

507downloads
Reusable Shriekers
1.19

Reusable Shriekers

A plugin that allows players to reactivate deactivated shriekers.

507downloads
Create: Meat Blocks
1.21.1neoforge

Create: Meat Blocks

Brings back Meat Blocks from MineFactory in a new, Create style! Features the slaughterhouse, ingots, straws, and baconator (autofeeder). Create your own meat processing plant today!

503downloads
Deaths Accounted For (DAF)
1.21.1fabric

Deaths Accounted For (DAF)

A lightweight mod focused on tracking kills, deaths, and enforcing a configurable death limit for competitive or hardcore servers.

503downloads
Space Update
1.21.4fabric

Space Update

dannytaylor's April Fools' 2025 "Update"

503downloads
Origins-Mobs-Enhanced
1.19

Origins-Mobs-Enhanced

An Origins Reborn Enhanced origin addon for PaperMC servers, based on the Mob Origins mod by UltrusBot

503downloads
REDACTED_ (WIP)
1.21.1neoforge

REDACTED_ (WIP)

This ARG mod adds several entities, retextures, and dimensions.

502downloads
Kirachaniks eggs crafts
1.21.4

Kirachaniks eggs crafts

I added eggs crafts wich is vanilla litlle friendly and hard to craft, the mod also have a spawner craft.

501downloads
Noisy No More
1.21.5fabric

Noisy No More

A mod that adds additional volume settings

501downloads
The Butcher's Nails
1.21.11

The Butcher's Nails

Makes you want to butcher animals and people for their skin, flesh and bones!

501downloads
RandomizerMadness
1.21

RandomizerMadness

With this plugin, block and mob drops can become completely random items!

501downloads
Hitboxes+
1.21.4neoforge

Hitboxes+

added improved hitboxes

500downloads
Heritage of the Gods RPG
1.21.11fabric

Heritage of the Gods RPG

This mod provides new PVP features by adding new abilities, new weapons, and new mechanics.

498downloads
Paleolithic Era
1.21.7fabric

Paleolithic Era

Adds paleolithic era crafting, survival tools, and tech to early Minecraft gameplay. Expands the early game tiers a bit more.

498downloads
Dried Ghasts, Ghastlings, and Happy Ghasts
1.21.5

Dried Ghasts, Ghastlings, and Happy Ghasts

I don't want to wait forever for the new Happy Ghasts to be released by mojang, so I made my own.

498downloads
Cobblemon Rankeds
1.21.1fabric

Cobblemon Rankeds

This mod is based on the competitive Pokémon mode, bringing with it 1v1, double battles, and 2v2 battles, each with its own settings, and more modes to be added in the future. It is compatible with Cobblemon.

497downloads
AbilityMania
1.21

AbilityMania

Ability Mania is a server-functional plug-in that adds super powers.

497downloads
BreweryX MythicMobs Addon
1.20.2

BreweryX MythicMobs Addon

Addon for BreweryX to add MythicMobs items support

497downloads
SleepAnyway
1.21.8neoforge

SleepAnyway

Allows you to sleep even when monsters are nearby

496downloads
Easy Monster Spawner
1.21.8fabric

Easy Monster Spawner

This adds a recipe for the Monster Spawner.

496downloads
Realistic Villagers
1.18

Realistic Villagers

Forget the days of "Hmmmm" and blank stares. Realistic Villagers is the ultimate overhaul for Minecraft villagers. this project is a fork

495downloads
Carpet Fixes (unofficial port)
1.21.11fabric

Carpet Fixes (unofficial port)

Unofficial 1.21.11 port of Carpet Fixes — fixes many vanilla bugs (Fabric Carpet extension)

494downloads
Headsteal by Dsis Gaming
1.21

Headsteal by Dsis Gaming

Headstel Plugin with mob head ability

494downloads
WHP - We Hate Phantoms
1.21.9

WHP - We Hate Phantoms

Removes phantoms. Adds a recipe for phantom membrane. Bats can drop phantom membrane.

494downloads
Soul Scythe
1.21.2

Soul Scythe

This datapack adds new weapon, that can contains souls of mobs

493downloads
Colly SMP [NO LONGER UPDATING]
1.21fabric

Colly SMP [NO LONGER UPDATING]

The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!

492downloads
OK Health Indicators
1.21neoforge

OK Health Indicators

Highly customizable Health Bars & Damage Numbers! Over 100 settings in total!

490downloads