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Minecraft Java 1.21 Mods

Browse 12,259 free mods for Minecraft Java 1.21 — popular picks include Whispering Spirits, Cat Burger, Portable Spawners.

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Whispering Spirits
1.21.8neoforge

Whispering Spirits

Adds atmospheric spirits for a horror-theme

2.5Mdownloads
Cat Burger
1.21.1neoforge

Cat Burger

A cat-shaped burger floats by your side, just like a pet in an RPG game.

2.4Mdownloads
Portable Spawners
1.21neoforge

Portable Spawners

Now you can break mobs spawners with an iron pickaxe or higher level (with silk touch) and take them to your favorite place!

2.4Mdownloads
Iron's Apothic Invaders
1.21.1neoforge

Iron's Apothic Invaders

Adds Iron's Spells & Spellbooks mobs as invader bosses in the Apotheosis mod

2.4Mdownloads
Skeleton Horse Spawn
1.21.11fabric

Skeleton Horse Spawn

☠🐴 Allows skeleton horses to spawn naturally with a skeleton riding it and other tweaks.

2.4Mdownloads
Dragon Survival
1.20.1forge

Dragon Survival

Global modification for Java Minecraft centered around playable dragons.

2.4Mdownloads
More Zombie Villagers
1.21.11fabric

More Zombie Villagers

🧟‍♀️🌾 Allows changing the default chance a zombie spawns as the villager variant.

2.4Mdownloads
Morning Glory - Cat Morning Gift (RPG Theme)
1.21.8neoforge

Morning Glory - Cat Morning Gift (RPG Theme)

RPG Theme, Improves the loot given to you every morning by your cat

2.4Mdownloads
Bosses'Rise
1.21.1neoforge

Bosses'Rise

🐉 Bring Souls-like Bosses into your world

2.4Mdownloads
The Ghast Cow
1.21.11neoforge

The Ghast Cow

Adds a Ghast Cow mini-boss

2.3Mdownloads
Cobblemon Catch Rate Display
1.21neoforge

Cobblemon Catch Rate Display

Real-time catch rate calculator for Cobblemon. Shows live percentages, ball comparisons, and status effects. 100% client-side — works on any server.

2.3Mdownloads
Re:Avaritia
1.21.1neoforge

Re:Avaritia

A reforge version of Avaritia!

2.3Mdownloads
Better Invisibility
1.21.11neoforge

Better Invisibility

True Invisibility: Hide particle effects, armor, weapons, and from mobs

2.3Mdownloads
MobZ
1.21.9neoforge

MobZ

More vanilla style mobs

2.3Mdownloads
Ender Zoology
1.21.11fabric

Ender Zoology

Vanilla themed monsters to add some difficulty to the game. A remake of Ender Zoo.

2.3Mdownloads
Realm RPG: Fallen Adventurers
1.21.1neoforge

Realm RPG: Fallen Adventurers

Improves world exploration by adding skeletons wtih treasures. Vanilla style.

2.3Mdownloads
Companion 🐕 (Neo/Forge)
1.21.1neoforge

Companion 🐕 (Neo/Forge)

Mechanics to avoid losing your pets, but don't break the vanilla feel

2.3Mdownloads
Starcatcher
1.20.1forge

Starcatcher

A fishing overhaul mod with 100+ fishes, and a ton of new fishing related content

2.3Mdownloads
Creatures and Beasts: Continued
1.21.1neoforge

Creatures and Beasts: Continued

Adds various cute and unique entities to your world

2.2Mdownloads
Companions!
1.20.1fabric

Companions!

A mod that adds tameable creatures called companions!

2.2Mdownloads
Wan's Ancient Beasts
1.20.1forge

Wan's Ancient Beasts

Are you ready to meet all the beasts of Minecraft's ancient past? Like the Sniffer, they are all creatures from prehistory and each one brings with it amazing new features!

2.2Mdownloads
Configurable Mob Potion Effects
1.21.11fabric

Configurable Mob Potion Effects

✏️ Set potion effects for all living entities to have permanently and to inflict.

2.2Mdownloads
The Obsessed - Advanced Psychological Horror, Mysterious Arachnid Stalker
1.20.4neoforge

The Obsessed - Advanced Psychological Horror, Mysterious Arachnid Stalker

It stalks you with deranged fascination, each encounter driving its nightmarish obsession further…

2.2Mdownloads
Better Villages
1.21.11forge

Better Villages

This mod enhances the villages in Minecraft by improving existing structure, making them feel more alive and engaging to explore.

2.2Mdownloads
Random Shulker Colours
1.21.11fabric

Random Shulker Colours

🎲 Gives new shulker spawns a random shell color based on a configurable list.

2.2Mdownloads
Zombie Variants - 15 New Zombies!
1.21.8neoforge

Zombie Variants - 15 New Zombies!

Add 15 variants of zombies that can appear in different biomes!

2.2Mdownloads
Mob Plaques
1.21.11fabric

Mob Plaques

Neat, tiny attribute displays for all mobs with great customization!

2.2Mdownloads
More Mob Variants x Fresh Animations
1.21

More Mob Variants x Fresh Animations

Adds Fresh Animations compatibility to the More Mob Variants mod.

2.2Mdownloads
Pumpkillager's Quest
1.21fabric

Pumpkillager's Quest

🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!

2.1Mdownloads
More MobGriefing Options
1.21.1neoforge

More MobGriefing Options

Adds a MobGriefing configuration per entity.

2.1Mdownloads
Earth Mobs
1.21.11neoforge

Earth Mobs

An array of the mobs you might've seen from Minecraft Earth. From the Muddiest Pigs to the Jolliest Llamas, & new dangers like the climbing Boulderer & overwhelming Viler Witches. You can find all these mobs scattered across the Overworld!

2.1Mdownloads
Shroom Dealers!
1.20.1forge

Shroom Dealers!

Mushroom traders have spread across your world. Find their villages to trade with them!

2.1Mdownloads
LegendRelicLib
1.20.1forge

LegendRelicLib

This pre-library provides a collection of methods designed to eliminate repetitive steps.has more function

2.1Mdownloads
Create: Mobile Packages
1.21.1neoforge

Create: Mobile Packages

Create: Mobile Packages

2.1Mdownloads
Dragon Mounts Remastered
1.21.1neoforge

Dragon Mounts Remastered

Dragon Mounts Remastered is the latest take in bringing back the beloved nature of the original Dragon Mounts Mod

2.0Mdownloads
Etcetera
1.21.1neoforge

Etcetera

Simple mod that adds random vanilla friendly features

2.0Mdownloads