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Minecraft Java 1.21 Mods

Browse 3,602 free mods for Minecraft Java 1.21 — popular picks include Offhand Horse and other Mounts feeding - Harv, baby spider, Quality of Life(DC).

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O
1.21.9

Offhand Horse and other Mounts feeding - Harv

Rideable mobs can eat food from your offhand if they are damaged. There's a setting that lets you feed skeleton and zombie horses too and one that lets you feed mounts regardless of their damage.

25downloads
B
1.21

baby spider

Adds baby spiders that spawn naturally. Adds naturally spawning baby spiders. Every spider has a 10% chance to spawn as a baby. Lightweight plugin that adds baby spiders. Adds baby spiders to your Minecraft server. Baby spiders with a 10% natural spawn cha

24downloads
Q
1.21.11

Quality of Life(DC)

Adds some quality of life features to improve our gaming experience!

20downloads
C
1.21

championsDropArtifacts

Adds Artifacts to Champions rank 2 to 5 loot table. Also has a whitelist for alex's mobs and caves, cataclysm, and various other mods. Feel free to use as a blueprint.

19downloads
B
1.21.11

babyskeletons

A lightweight Paper plugin that adds small skeleton variants. Skeletons have a chance to spawn at 50% size while keeping normal skeleton behavior and AI. Works with natural spawns and spawn eggs.

17downloads
P
1.21

ProgressionRPGMob

Custom RPG mob spawner with configurable stats, names, and abilities — place named mobs at fixed locations that respawn automatically after death.

17downloads
K
1.21.1fabric

keepinvy

Flexible inventory saving settings upon death - separately for PvP, mobs, fire, void, and other reasons

11downloads
F
1.21.1

FishingReal-BetterVannilaFishes

Datapack for FishingReal-BetterVannilaFishes.

11downloads
R
1.20

RZXPets

RZXPets is a comprehensive companion pet plugin for Minecraft servers that introduces summonable, floating pets to accompany players.

8downloads
O
1.21

OneTridant

adding a special legendary trident

8downloads
T
1.21.11fabric

The Mimic BETA

hi this is my first TRULY custom mod its not a port of ANYTHING lmao, this mod is about a mimic that well.. mimics you or your friends it also stalks you and learns about you although you will need an api from GROQ to work

2downloads
KingCraft [FORGE]
1.21.1neoforge

KingCraft [FORGE]

Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.

17kdownloads
Mobs Of The Underground
1.21.1fabric

Mobs Of The Underground

Adds new mobs, items and mechanics to your world!

8.3kdownloads
The Fallen World
1.21.1neoforge

The Fallen World

This mod adds things like dimensions, blocks, items, mechanics, bosses, mobs, structures and much more!

6.5kdownloads
Super Better Sleep InfinixMc
1.20.1forge

Super Better Sleep InfinixMc

A Minecraft 1.21.1 mod that redefines sleeping mechanics for multiplayer servers, allowing configurable player thresholds to skip the night with customizable messages and seamless dawn transitions.

3.8kdownloads
Redstone Robot (Fabric/Forge/NeoForge/Quilt)
1.21.5fabric

Redstone Robot (Fabric/Forge/NeoForge/Quilt)

Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!

3.5kdownloads
Create: Better Blaze Burners
1.21.1neoforge

Create: Better Blaze Burners

Adds Mechanical Blazes

2.0kdownloads
Robot - MechaFront
1.21.1neoforge

Robot - MechaFront

This Mod Adds A Good Varity Of Robots Which Helps You In Combat. And Also A Very Good RPG System

1.7kdownloads
PixelTrance
1.21.1neoforge

PixelTrance

A Minecraft mod that pays homage to the art of hypnosis, blending RPG progression with immersive trance mechanics for both singleplayer and multiplayer.

1.2kdownloads
Duplication Hit
1.21.6neoforge

Duplication Hit

Duplication Hit adds a mechanic where living creatures duplicate when damaged by a player. If the hit is not lethal, the entity instantly undergoes mitosis, creating an identical clone at the same location

1.0kdownloads
What If...
1.21.1fabric

What If...

Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.

1.0kdownloads
Sudden Death | Enhance monster abilities | Game mechanics  [1.21-1.21.11]
1.21spigot

Sudden Death | Enhance monster abilities | Game mechanics [1.21-1.21.11]

Enhance the monster's abilities, survival becomes impossible.

893downloads
Shield Parry Mod
1.21.1fabric

Shield Parry Mod

Add Dark Souls style parry mechanics! Time your shield blocks perfectly to stun enemies for 3 seconds. Skill-based combat for Minecraft 1.21.1

521downloads
Supercharged Mobs
1.21.5

Supercharged Mobs

Adds copper gear and supercharged mechanics

86downloads
Revengeance
1.17.1forge

Revengeance

Revengeance adds a extremely hard difficulty to the game, with some features locked by in game events.

67downloads
Cobblemon Picnic Mod (1.21.1) – Hunt Shiny Pokémon Without Leaving Camp
1.21.1

Cobblemon Picnic Mod (1.21.1) – Hunt Shiny Pokémon Without Leaving Camp

Cobblemon Picnic Mod adds a fun spawn-refreshing mechanic for Cobblemon. It gives you a special picnic table that instantly swaps out all the wild Pokémon around you for a fresh group. You no longer have to run across the whole map just to find the exact creature you want. The mod also turns your camp […]

Tavern Brawl RPG Series Plus Mod (1.21.11, 1.21.1) – Punch and Launch Mobs
1.21.11

Tavern Brawl RPG Series Plus Mod (1.21.11, 1.21.1) – Punch and Launch Mobs

Tavern Brawl RPG Series Plus Mod extends Spell Engine with hand-to-hand combat skills. This addon brings fist fights to your game using new weapons and armor. You get to punch enemies, launch them into the air, and fight using fun brawler mechanics. Features: Adds the Ruffian armor sets to dress your character for close-range fights. […]

Create Bionics Mod (1.21.1) – Craft Mechanical Pets to Farm and Haul Resources
1.21.1

Create Bionics Mod (1.21.1) – Craft Mechanical Pets to Farm and Haul Resources

Create Bionics Mod extends Create with craftable robot animals. It brings three mechanical companions to help you travel the world and gather resources. You only need to feed them coal, charcoal, or blaze cakes to keep them running. You can even change how they look by giving them different metal skins. Features: Adds three robot […]

DAOT Spring Addon Mod (1.21.1) – Transform Into Giant Titans and Master ODM Gear
1.21.1

DAOT Spring Addon Mod (1.21.1) – Transform Into Giant Titans and Master ODM Gear

DAOT Spring Addon Mod expands Danny's Attack on Titan with new mechanics and titan forms. It adds family bloodlines, a progression system, and improved movement gear for your survival world. You can steal powers from other shifters, level up your character, and overcome the fear of fighting giant monsters. Features: Adds AI shifters that automatically […]

Fowl Play Mod (1.21.1, 1.20.1) – Fill the Skies and Forests with Realistic Birds
1.21.1

Fowl Play Mod (1.21.1, 1.20.1) – Fill the Skies and Forests with Realistic Birds

Fowl Play Mod fills your Minecraft world with many types of realistic flying birds. This mod adds special flying mechanics and custom sounds to make the skies and forests feel alive. You can watch hawks glide high above you or see tiny sparrows fly quickly between trees. Some of these new animals just make the […]

Fangs 'n Claws Mod (1.21.11, 1.20.1) – Survive Wall-Smashing Ogres
1.21.11

Fangs 'n Claws Mod (1.21.11, 1.20.1) – Survive Wall-Smashing Ogres

Fangs 'n Claws Mod brings a variety of new RPG-style monsters into your world. Each creature has specific behaviors and roles to make your survival run more challenging. The mod also adds new materials and special items with unique mechanics. You can fight goblins that steal your items, hide from destructive ogres, or tame baby […]

Bytebuddies Mod (1.21.1, 1.20.1) – Automate Farming and Mining
1.21.1

Bytebuddies Mod (1.21.1, 1.20.1) – Automate Farming and Mining

Bytebuddies Mod gives you loyal mechanical helpers to make your daily tasks much easier. You can build little robots to farm crops, mine rocks, carry your loot, or even fight monsters for you. The mod lets you upgrade your buddies with special disks and parts to make them faster or stronger. You can also change […]

Armored Foes Mod (26.2, 1.21.1) – Tougher Mobs With Visible Armor
1.21.1

Armored Foes Mod (26.2, 1.21.1) – Tougher Mobs With Visible Armor

Armored Foes Mod makes hostile mobs tougher and more immersive by equipping them with visible armor. Unlike vanilla mechanics where only zombies and skeletons commonly wear gear, this mod expands armor usage across many enemy types, making encounters more varied and dangerous. Features: Visible armor for witches, villagers, and illagers. Natural armor spawns for Drowned […]

Eternal Nether Mod (26.2, 1.21.1) – The Underworld Reimagined
1.21.1

Eternal Nether Mod (26.2, 1.21.1) – The Underworld Reimagined

Eternal Nether Mod transforms the Nether into a hostile, dimension filled with new structures, mobs, and mechanics. It’s a spiritual successor to Bygone Nether, expanding the fiery depths into a full-fledged adventure zone. Features: New Structures: Piglin Manor – A fortress in the Crimson Forest guarded by Piglin Hunters The Citadel – A towering stronghold […]

Cobblemon Snap Mod (1.21.1) – Build a Photo Album of Every Wild Monster
1.21.1

Cobblemon Snap Mod (1.21.1) – Build a Photo Album of Every Wild Monster

Cobblemon Snap Mod adds a complete photography system for Cobblemon. It equips you with a camera so you can take pictures of wild monsters, score points, and fill up a special photo album. Features: Camera Mechanics: Lets you zoom in on distant targets and frame your shots perfectly to get the best picture. Smart Scoring: […]

Good Ending Mod (1.21.1, 1.20.1) – Improve The Natural Look of Minecraft
1.21.1

Good Ending Mod (1.21.1, 1.20.1) – Improve The Natural Look of Minecraft

Good Ending Mod is a mod whose main goal is to enhance everything related to nature, adding related content such as new natural biomes, new mechanics, new creatures, new animals, and more. In the following images, we can see some examples of the new content added by this mod. For example, we will be able […]