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Minecraft Java 1.21 Mods

Browse 1,561 free mods for Minecraft Java 1.21 — popular picks include Stuffed Pack!, More Xp More Size, CyanEryth Mob Skill Trees.

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Stuffed Pack!
1.21.1neoforge

Stuffed Pack!

A family friendly modpack designed with performance in mind featuring new creatures, items, biomes, and structures to explore. This is a Vanilla+ pack designed for people who are already familiar with Minecraft.

12kdownloads
More Xp More Size
1.21fabric

More Xp More Size

Each new level of experience increases the player's size. Now the player is the tallest mob!

12kdownloads
CyanEryth Mob Skill Trees
1.21neoforge

CyanEryth Mob Skill Trees

Custom skill trees for puffish's skill trees

12kdownloads
Pepsi's Starter Wolf Companion
1.21.5fabric

Pepsi's Starter Wolf Companion

Spawn in with your very own self-healing wolf.

12kdownloads
Bones Update
1.21.8neoforge

Bones Update

Enhance the minecraft experience with content related to skeletons.

12kdownloads
Bronze & Viking
1.21.1neoforge

Bronze & Viking

Become a nordic warrior and explore the nine realms

12kdownloads
CuteCraft [FABRIC]
1.21.1fabric

CuteCraft [FABRIC]

A cozy, performance-optimized Minecraft experience with stunning visuals, endless building possibilities, and cute creatures.

11kdownloads
Kindred
1.20.1forge

Kindred

A pet bonding and summoning mod. Call your pets or mounts from anywhere and dismiss them to keep them safe. A spiritual successor to Callable Horses.

11kdownloads
Red Forest
1.21.1neoforge

Red Forest

Boss fights, quests, tasks, tools, and guns. Biomes and dimensions with 13+ mobs and 15+ structures and many more.

11kdownloads
NMI - server side mods only
1.21.3fabric

NMI - server side mods only

This is a collection of over ✨150+✨ server side mods that enhance your gameplay with voice chat, factions, economy, seasons, dungeons, buildings, mobs and much more. 🌌

11kdownloads
Azukaar's Fair Difficulty Overhaul
1.20.1forge

Azukaar's Fair Difficulty Overhaul

Per player difficulty, new expert+ difficulty, interesting mobs and mechanics

11kdownloads
Spiders Shoot Webs
1.20.1forge

Spiders Shoot Webs

Spiders shoot webs to trap their target

11kdownloads
The Block of Angel
1.21.11neoforge

The Block of Angel

An exploration-focused mod that rewards curiosity and reduces repetitive grind — while keeping the core survival balance intact. Perfect for players who want each discovery to matter. Start with almost nothing — earn every shortcut.

10kdownloads
Pepsi's Chaos Core
1.21.8fabric

Pepsi's Chaos Core

Amplify your world with enhanced dynamic difficulty. Up for the challenge?

10kdownloads
Origins Furries for NeoOrigins
1.21.1neoforge

Origins Furries for NeoOrigins

Adds 10 Animal Origins to NeoOrigins

10kdownloads
Epic Fight Progressive Difficulty
1.21.1neoforge

Epic Fight Progressive Difficulty

Scales Epic Fight attributes for mobs to match player's progression.

10kdownloads
The Conjunction of the  Spheres - A Witcher World
1.21.1neoforge

The Conjunction of the Spheres - A Witcher World

New monsters, armors, weapons, potions and challenges from the Witcher Universe, beware, The Conjunction of the Spheres!

10kdownloads
Deadly Enderdragon
1.20.1fabric

Deadly Enderdragon

Minecraft mod to make the Ender Dragon much more aggressive and dangerous without new mechanics.

10kdownloads
The Nether Dungeons
1.21fabric

The Nether Dungeons

I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.

10kdownloads
Nether Sentinel
1.21.11forge

Nether Sentinel

Meet the Nether Sentinel: Minecraft's new Nether boss! Face this fiery challenge and prove your bravery in an epic battle.

10kdownloads
Gateway of Doom
1.21.1neoforge

Gateway of Doom

Throw a Devil Eye to open a configurable combat gateway. Survive random or fixed waves, bosses and timed challenges for rewards—or suffer debuffs. Includes auto gateways, custom mobs, profiles, admin menus, commands, diagnostics, plus a stable add-on API.

10.0kdownloads
bosses' addition
1.21fabric

bosses' addition

a great challenge for those who are bored from vanilla, all in vanilla.

9.8kdownloads
Ommoran Extraction: Gem Defense
1.21neoforge

Ommoran Extraction: Gem Defense

Extract valuable resources from dimensional gem nodes and fight hordes of monsters! Highly configurable.

9.5kdownloads
New Game
1.21.1neoforge

New Game

An awesome modpack! | Improve the vanilla experience, adding biomes, creatures, elements and other interesting features.

9.0kdownloads
Lucky Cobblemon
1.21.1forge

Lucky Cobblemon

Lucky Block Cobblemon for Cobblemon 1.7.3/1.21.1

8.9kdownloads
Hostile Civilization
1.21.1neoforge

Hostile Civilization

"They were here before you came and they are not happy about your visit..."

8.9kdownloads
Max Speed
1.16.3fabric

Max Speed

Now the player moves at maximum speed. Feel like lightning!

8.9kdownloads
MobAwareness
1.20.4forge

MobAwareness

A Minecraft mod that makes mobs more intelligent and reactive to players, light, and sound.

8.9kdownloads
Kingdoms: Villager Retaliation!
1.21.1neoforge

Kingdoms: Villager Retaliation!

It's about time the villagers retaliated.

8.8kdownloads
Diary of an 8-Bit Warrior MOD
1.21.1neoforge

Diary of an 8-Bit Warrior MOD

Experience the world of Diary of an Eight Bit Warrior in Minecraft with new mobs, weapons, and custom content

8.8kdownloads
River Fishing
1.21.1neoforge

River Fishing

A deep, realistic river & ice-fishing simulator where real tackle, seasons, weather, and a living fish population turn every cast into a decision.

8.8kdownloads
The Best Cube Game
1.21.8neoforge

The Best Cube Game

"🔥 VERSION 4.2 OUT NOW! 🔥 Economy, Vehicles, 60 Mobs, and RPG Progression. The best way to play in 26.1.2 0 Forge and Fabric supported and more!"

8.8kdownloads
Skyborn Piglins
1.21.4neoforge

Skyborn Piglins

Adds Piglins that ride on Ghasts in the Nether!

8.7kdownloads
The Catamount
1.21.1neoforge

The Catamount

The Catamount is a mix between an ambiance and a boss mod

8.7kdownloads
KantoNPCs for Cobblemon
1.21.1fabric

KantoNPCs for Cobblemon

Custom Cobblemon NPC for servers and mods, with dialogue, trainer battles, shops, trades, move tutors and custom skins.

8.6kdownloads
VillagerXP
1.21.4fabric

VillagerXP

Villagers can level up by picking up experience orbs and bottles.

8.6kdownloads