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Minecraft Java 1.21 Mods

Browse 3,649 free mods for Minecraft Java 1.21 — popular picks include Sengoku Jidai Mod, Muffin's Slime Golem, Happy ghast and ghast origins.

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Sengoku Jidai Mod
1.21.1fabric

Sengoku Jidai Mod

A Japanese-themed mod that overhauls every aspect of the game into the world of Japanese history, culture, and mythology.

43kdownloads
Muffin's Slime Golem
1.21fabric

Muffin's Slime Golem

Add Slime Golem to Minecraft. A good ally for finding Slime Chunks!

43kdownloads
Happy ghast and ghast origins
1.20.3fabric

Happy ghast and ghast origins

Adds happy ghast and normal ghast origin to the origins mod

43kdownloads
Bat Membrane (No Phantoms)
1.21.6

Bat Membrane (No Phantoms)

Disables phantoms and enables to get phantom membrane from bats

41kdownloads
Cobblemon x Generations (Generations-Core)
1.21.1fabric

Cobblemon x Generations (Generations-Core)

Generations is a massive sidemod crafted for Cobblemon, we enhance your experience by replacing blocky models with game-like Pokemon models, add thousands of blocks & items, and tons of new features.

40kdownloads
Gravestone Dungeons Data Pack
1.21.11

Gravestone Dungeons Data Pack

This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!

40kdownloads
Realistic Survival
1.17

Realistic Survival

A unique plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.

39kdownloads
Better Sniffers
1.21

Better Sniffers

Improves sniffers by allowing them to naturally spawn in villages, increasing the variety of loot they can find beyond the current two useless flowers, and providing renewable sand.

39kdownloads
BetterHitSounds
1.21fabric

BetterHitSounds

BetterHitSounds is a client-side Minecraft mod that adds immersive hit sounds for players and mobs, complete with combo chains, distance-based volume, and customizable sound packs for a more satisfying combat experience.

39kdownloads
Clutter: Bestiary
1.21.1neoforge

Clutter: Bestiary

The entities from Clutter, plus more, updated, improved and split into a separate mod.

39kdownloads
RPGTitles
1.21fabric

RPGTitles

Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..

39kdownloads
Cobblemon Fence
1.21.1fabric

Cobblemon Fence

Invisible Pokémon Fences that stop only Pokémon from passing through.

39kdownloads
Carpet Addons Not Found
1.17.1fabric

Carpet Addons Not Found

A carpet mod (fabric-carpet) extension, which adds a collection of carpet mod style features.

38kdownloads
Spawn-Proofed Villagers
1.19.4fabric

Spawn-Proofed Villagers

Prevents hostile mob spawns near villagers, as if they were players.

38kdownloads
Zombie Apocalypse Core [ZAC]
1.21.1fabric

Zombie Apocalypse Core [ZAC]

Necessity for zombie apocalypse modpacks. Day counter, Entity multiplier and entity spawn prevention (blocklist), day light resistance (no daylight burning), customizable zombie drops, zombies break blocks, and more.

37kdownloads
Ruined Ghasts
1.21.1neoforge

Ruined Ghasts

Knarfy Ruined Minecraft Live (Spring 2025) and this is the result...

37kdownloads
Alex's Caves: Refabricated
1.21.1fabric

Alex's Caves: Refabricated

An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...

37kdownloads
REMS-Carpet-Addition
1.21.4fabric

REMS-Carpet-Addition

This is an extension for the Carpet mod, which includes some features that I found useful and some features that I want but don't have.

37kdownloads
I want it earlier (Mounts of Mayhem, IWIE)
1.21.2fabric

I want it earlier (Mounts of Mayhem, IWIE)

This Minecraft Mod adds things from the Minecraft Live before Mojang publishes them in a snapshot! Or just backport the new stuff..

36kdownloads
LocalizedFishingTables
1.21.9

LocalizedFishingTables

Biome specific fishing loot

35kdownloads
ArPhEx: BOP Integration
1.21.1neoforge

ArPhEx: BOP Integration

Integrates ArPhEx with Biomes O' Plenty by assigning mobs to fitting biomes.

34kdownloads
Breed Axolotl With Tropical Fish Item [PurpurPack]
1.21.9

Breed Axolotl With Tropical Fish Item [PurpurPack]

Allows breeding axolotls with the tropical fish item as well as the bucket

34kdownloads
CobbleSpawners
1.21.1fabric

CobbleSpawners

This Cobblemon addon mod allows map creators or admins to place custom Pokémon spawners, manage spawn settings via a GUI, and control Cobblemon spawning behavior, including Pokémon species, spawn chances, and custom stats.

34kdownloads
No Villager Trading
1.21neoforge

No Villager Trading

A lightweight mod to disable villager trading while keeping all other villager mechanics intact.

34kdownloads
Horses can Float
1.21

Horses can Float

Lets Horses swim when you ride them

34kdownloads
Boss Ultimatum
1.21.1fabric

Boss Ultimatum

Heal bosses when players die, or remove them!

32kdownloads
Useful Mobs
1.21

Useful Mobs

Adds new features for bats, pigs, polar bears, and squids to give forgotten mobs a new purpose!

32kdownloads
Call Your Happy Ghast
1.21.6

Call Your Happy Ghast

Easily call (whistle) your happy ghast with a goat horn to teleport it to you

32kdownloads
IFramesTweaker
1.21.1neoforge

IFramesTweaker

Tweaks How Invincibility Frames are handled to make fast weapons function properly.

32kdownloads
The Broken Content
1.21.1neoforge

The Broken Content

This mod adds extra content to your game! Used in the OFFICIAL The Broken Script SMP.

32kdownloads
SDM Shop Money Earning
1.21.1neoforge

SDM Shop Money Earning

Earning money from SDM Shop mob by killing mob

32kdownloads
HyperLeash
1.21

HyperLeash

Leash mobs to fireworks! Leash mobs to each other!

31kdownloads
Fathoms
1.21.9

Fathoms

Dredge the depths, seize the seas, and find secrets untold deep below the waves...

31kdownloads
More Dyed Wool and Carpet [PurpurPack]
1.21.9

More Dyed Wool and Carpet [PurpurPack]

Allows dyeing wool and carpet with 1 dye per 8 wool/carpet, like most other dyeing recipes

30kdownloads
Cobblemon Move Tutor
1.21.1neoforge

Cobblemon Move Tutor

Adds a Cobblemon NPC for Tutor moves!

30kdownloads
Call Your Dog
1.21.6

Call Your Dog

Easily call (whistle) your dog with a goat horn to teleport it to you

29kdownloads