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Minecraft Java 1.21 Mods

Browse 12,335 free mods for Minecraft Java 1.21 — popular picks include Enchanting Realms, Maple's Frog Collection, Ashen's Better AI.

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Enchanting Realms
1.21.1neoforge

Enchanting Realms

Adds a new mystical dimension with new blocks.

7.1kdownloads
Maple's Frog Collection
1.21.11fabric

Maple's Frog Collection

Seasonal frog variants with custom textures that change with the seasons! 🐸

7.1kdownloads
Ashen's Better AI
1.21.1

Ashen's Better AI

Improves mob ai, by adding mob jumping, a foodchain, and more!

7.1kdownloads
MONEYMONEYMONEY
1.21.8neoforge

MONEYMONEYMONEY

In this mod, u have some new ores, weapons, and mobs added! (example: no money man), ik weird name, but u'll see that this mod is very good!

7.1kdownloads
Scuffys Rats
1.21.1neoforge

Scuffys Rats

Adding Rats to minecraft in a goofy way

7.1kdownloads
BedSheet
1.21.7neoforge

BedSheet

Carpet unofficial NeoForge port. Take full control over your game.

7.1kdownloads
Petlings
1.21.11fabric

Petlings

Your virtual pet companion in Minecraft. Adopt, customize, and bond with AI-driven pets that follow you everywhere, across the game, the web and mobile.

7.1kdownloads
Tiger's Wildlife
1.20.1forge

Tiger's Wildlife

Upgrade your Minecraft experience with a diverse selection of animals from every corner of the world, brought together in a carefully crafted and immersive mod.

7.0kdownloads
Mob Factions
1.21.8fabric

Mob Factions

A Fully Customisable Faction based Targeting System for almost any Mob (doesn't work on Brains)

7.0kdownloads
Horizon's Mobs (Warriors)
1.20.1neoforge

Horizon's Mobs (Warriors)

So Strong Mobs!!

7.0kdownloads
LovelyLib
1.21.1neoforge

LovelyLib

The robot-specific library shared by all Lovely Robot variants. Handles the robot type system, shared animation profiles, and save migration so that Legacy, Tribute, and Reboot don't duplicate core logic.

7.0kdownloads
Cobblemon Picnic
1.21.1neoforge

Cobblemon Picnic

A picnic table that re-rolls nearby wild Pokémon spawns for shiny hunting — plus a shiny aura, rare-spawn protection, peaceful seating, Pokémon care, bundled furniture and trainer battles. Fabric & NeoForge.

7.0kdownloads
Another Changed
1.21.1neoforge

Another Changed

Adds blocks and transfurs from Changed & Changed:Special

7.0kdownloads
Nice Mobs Resource Pack
1.21.9

Nice Mobs Resource Pack

Standalone version of the resources for the Nice Mobs data pack.

7.0kdownloads
Anime bride
1.21.1neoforge

Anime bride

🌸 Find your ultimate anime companion waiting under the cherry blossoms! Tame her with petals, watch her dance to music discs, and get delicious fresh cakes—just don't break her heart! 🍰✨

7.0kdownloads
No Bats
1.21fabric

No Bats

Another mod that disables bats natural spawning

7.0kdownloads
Mutant Mobs REMUTATED
1.21.1neoforge

Mutant Mobs REMUTATED

This mod adds some Mutants

7.0kdownloads
Yuhan's Mega Collection [Flygon, Sylveon, Hydreigon]
1.21.1

Yuhan's Mega Collection [Flygon, Sylveon, Hydreigon]

Three new Mega-Evolutions for Cobblemon, oh my!

7.0kdownloads
Armed Pillagers
1.21.1neoforge

Armed Pillagers

Makes pillagers use TACZ weapons against you!

7.0kdownloads
Jurassic Reborn Natural Spawning Addon
1.21.1neoforge

Jurassic Reborn Natural Spawning Addon

This addon allows for Jurassic Reborn creatures to spawn in your overworld!

7.0kdownloads
Rug
1.21fabric

Rug

Extension for gnembon's Carpet Mod adding loads more rules

6.9kdownloads
Dungeons and Dragons
1.21.1forge

Dungeons and Dragons

Discover unique legendary magic weapons, armour and artifacts inspired by Dungeons and Dragons lore.

6.9kdownloads
Optimised PvP
1.21.10fabric

Optimised PvP

A lightweight, FPS‑optimized Fabric modpack for Minecraft 1.21.10, designed for Crystal PvP, duels, and competitive gameplay — featuring performance boosts, PvP HUDs, and clean textures for maximum clarity in combat.

6.9kdownloads
Killer Bunny Name Tag
1.21.6

Killer Bunny Name Tag

Naming a rabbit "The Killer Bunny" will turn it into a killer bunny

6.9kdownloads
Depths Below
1.21.4

Depths Below

Adds a new psychological horror entity to the dark depths of the underground. Inspired by the legend of White Eyes and Mojang's discarded Shade monster.

6.9kdownloads
NightTime
1.21

NightTime

A horror and challenge datapack made for only the bravest to try.

6.9kdownloads
EternalAppetite
1.21neoforge

EternalAppetite

Allows players to keep eating, storing the excess saturation

6.9kdownloads
Mobs Fear CampFire – HearthGuard
1.21.11neoforge

Mobs Fear CampFire – HearthGuard

Hostile mobs fear lit campfires. Adds immersive mob AI and survival gameplay by making creatures panic, turn, and flee naturally.

6.9kdownloads
Cobblemon - Regions Unexplored Compat
1.21.1

Cobblemon - Regions Unexplored Compat

This pack adds compatibility between Cobblemon and Regions Unexplored for Pokémon spawns.

6.9kdownloads
C-PvP Optimizer
1.21.4fabric

C-PvP Optimizer

Crystal PvP Optimizer is a performance-focused Minecraft pack designed to boost FPS, enhance visibility, and streamline textures for competitive crystal PvP

6.9kdownloads
Enchanted Monster Room
1.21.8fabric

Enchanted Monster Room

old monsteroom is boring? this mod adds a bigger monster Room!

6.9kdownloads
Evomut
1.21.1neoforge

Evomut

An RPG mod that adds different statues for the player, mobs, weapons and tools. New biomes and classes

6.9kdownloads
Mob AI Commands
1.21fabric

Mob AI Commands

A standalone version of the commands added by Mob AI Tweaks mod

6.9kdownloads
Craft Trial Spawner
1.21.6

Craft Trial Spawner

Adds a crafting recipe for Trial Spawners

6.9kdownloads
verity.jar
1.21.1neoforge

verity.jar

Removes the AI responses, to replace him with Human responses. All credit goes to the amazing "ThatMob"!

6.9kdownloads
Cobblemon Otherside Spawns
1.21.1

Cobblemon Otherside Spawns

Cobblemon spawns for the Otherside dimension from the mod Deeper and Darker

6.9kdownloads