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.
Updated daily
RealMobSize
Generate your mobs with real-life scale

oSzoukaua's: Leaf Litter
A little datapack that makes decaying leaves drop leaf litter or petals on the ground!
Cobblemon Torchmaster Fix
Allows Torchmaster to prevent Cobblemon from spawning in areas where it is not allowed to spawn.
Cobblemon: Mega Raichu Ability Patch
A datapack for Navas ZA Megas that changes Mega Raichu's abilities to the ones in champions.
Back to Blocks
Turn slabs, stairs, walls and carpets back into their block variants!
Configurable Villagers
Server-side mod that puts villager trading, restocking and breeding in a config file. No client install needed.
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!
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.
Better Husk
Tired of digging sand? This datapack will help you! Now husk drop sand. You can use this for farms :)
Random Name Generator
Generates random names for entities as you name them!
Reusable Shriekers
A plugin that allows players to reactivate deactivated shriekers.
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!
Deaths Accounted For (DAF)
A lightweight mod focused on tracking kills, deaths, and enforcing a configurable death limit for competitive or hardcore servers.
Space Update
dannytaylor's April Fools' 2025 "Update"
Origins-Mobs-Enhanced
An Origins Reborn Enhanced origin addon for PaperMC servers, based on the Mob Origins mod by UltrusBot
REDACTED_ (WIP)
This ARG mod adds several entities, retextures, and dimensions.
Kirachaniks eggs crafts
I added eggs crafts wich is vanilla litlle friendly and hard to craft, the mod also have a spawner craft.
Noisy No More
A mod that adds additional volume settings
The Butcher's Nails
Makes you want to butcher animals and people for their skin, flesh and bones!
RandomizerMadness
With this plugin, block and mob drops can become completely random items!
Hitboxes+
added improved hitboxes
Heritage of the Gods RPG
This mod provides new PVP features by adding new abilities, new weapons, and new mechanics.
Paleolithic Era
Adds paleolithic era crafting, survival tools, and tech to early Minecraft gameplay. Expands the early game tiers a bit more.
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.
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.
AbilityMania
Ability Mania is a server-functional plug-in that adds super powers.
BreweryX MythicMobs Addon
Addon for BreweryX to add MythicMobs items support
SleepAnyway
Allows you to sleep even when monsters are nearby
Easy Monster Spawner
This adds a recipe for the Monster Spawner.
Realistic Villagers
Forget the days of "Hmmmm" and blank stares. Realistic Villagers is the ultimate overhaul for Minecraft villagers. this project is a fork
Carpet Fixes (unofficial port)
Unofficial 1.21.11 port of Carpet Fixes — fixes many vanilla bugs (Fabric Carpet extension)
Headsteal by Dsis Gaming
Headstel Plugin with mob head ability
WHP - We Hate Phantoms
Removes phantoms. Adds a recipe for phantom membrane. Bats can drop phantom membrane.
Soul Scythe
This datapack adds new weapon, that can contains souls of mobs
Colly SMP [NO LONGER UPDATING]
The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!
OK Health Indicators
Highly customizable Health Bars & Damage Numbers! Over 100 settings in total!