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Minecraft Java 1.21 Mods

Browse 2,711 free mods for Minecraft Java 1.21 — popular picks include RNGHearts, Brew Anything!, Magic Grimoire.

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R
1.21

RNGHearts

Add randomized heart counts to players! Features animated heart rolling, craftable Heart Dice items, and per-player persistence. Perfect for hardcore survival servers.

84downloads
B
24w33afabric

Brew Anything!

In the new update, Mojang added custom brewing recipes!! This mod / datapack uses that to add some wacky potions and combinations you can try out with random blocks!

83downloads
M
1.21

Magic Grimoire

A Minecraft plugin that adds a comprehensive magic spell system with six schools of magic, mana management, and grimoire-based casting mechanics.

79downloads
C
1.21.10fabric

Challenging Mobs

Makes mobs do double damage and tank more hits

75downloads
G
1.13

GUI Command Blocker

GUICommandBlocker Stop players from using commands while they have GUI open! (Specially to prevent mod like ui utilis to sent commands in gui)

70downloads
R
1.21.1fabric

Resistance Controller

Balanced Resistance effect. No more 100% damage immunity. Fully configurable.

67downloads
S
1.21

Swordman Aura

Elevate your sword combat! Introducing a progression-based aura system with mystical energy, dynamic HUD, and 4 powerful unique skills.

61downloads
D
1.13

DropRateController

Plugin to change item drop rate アイテムのドロップ率を変えるプラグイン

56downloads
M
1.8

MeteorShowers

Survival-friendly random meteor shower events with warnings, craters, and loot

53downloads
C
1.21

CatItems

CatItems is a plugin for creating custom items right in the game. With it, you can add attributes, enchantments, hide prompts, give permanent effects, create abilities on Shift, and build .schem schematics on right-click...

52downloads
O
1.21

Omni Space

A Minecraft Paper plugin that provides players with private storage dimension spaces.

46downloads
M
1.21.4neoforge

Magic And More

Discover magical items, powerful spells, and so much more.

43downloads
K
1.21.1neoforge

kill_bonus_damage

Killing mobs increases the damage of the equipped weapon.

42downloads
S
1.21.11fabric

ScarBound

A simple survival challenge where avoiding damage matters and every mistake leaves a mark

38downloads
A
rd-132211

AdminBan

Anti-drain function of senior administration

38downloads
N
1.21.4

no soulspeed damage

This datapack removes the damage taken when walking on Soul Sand or Soul Soil with the Soul Speed enchantment. It ensures a smoother experience without unexpected damage while using Soul Speed.

38downloads
B
1.21

BetterPotionsExtended

An advanced utility plugin to easily override, extend, and visually configure custom potion durations in Minecraft.

35downloads
I
1.21

Ice and Fire CE x Magic Coins Compat

This datapack amends the loot drop for Gold and Silver piles added by Ice and Fire CE to drop Silver and Gold Coins from Magic Coins!

35downloads
S
1.21

Slime Boost Boots

This plugin for Minecraft Java Servers, adds a new type of boots: Slime Boost. These boots obtainable through this command below: /gsb @s <leather:chainmail:gold:iron:copper:diamond:netherite> You can press the your jump twice to get thrown foward.

30downloads
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
T
1.21.11

TotemShield

This plugin adds a system of lives. It allows for you to absorb totems and protects you from lethal damage.

24downloads
G
1.21.10

GoatHornDeath

A simple administrative datapack that allows server owners to place a "curse" on specific players. Once cursed, a player will instantly die whenever they use a goat horn.

23downloads
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
R
1.18

RadXClans

🛡️ RadXClans — Innovative Clan and Modular Base System

14downloads
K
1.21.11

KyrowsCrystalPlugin

Adds mythology-themed crystals with unique abilities, actionbar cooldowns, and balanced endgame recipes to your SMP server.

7downloads
Black Flashed!
1.20.1forge

Black Flashed!

Adds new pvp and pve mechanic - black flash!

13kdownloads
ArsColonies
1.21.1neoforge

ArsColonies

A fantastically magical and mechanically inclined, MineColonies-focused grand adventure.

7.1kdownloads
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
Nightmare's Isekai
1.21.1neoforge

Nightmare's Isekai

This is an addon to the TR Mod that reintroduces a similar Isekai Mechanic that they had in 1.16.5

4.9kdownloads
Avatar: Day of Black Sun
1.21.1neoforge

Avatar: Day of Black Sun

Play a mod inspired by Avatar: The Last Airbender, where you can bend the four elements — Water, Earth, Fire, and Air — with unique mechanics and unlockable sub-elements coming soon!

3.9kdownloads
The Cyborg Age
1.21.1neoforge

The Cyborg Age

The Cyborg Age mod adds cybernetics to Minecraft

1.3kdownloads
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
Aethelgard Odyssey
1.21.1fabric

Aethelgard Odyssey

Aethegard Odyssey is a medieval Minecraft modpack blending RPG mechanics with immersive exploration. It features custom dungeons, class-based progression. Expect challenging survival, magic, and epic boss fights.

1.1kdownloads
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
A Era do Futuro (The Golden Age)
1.21.1neoforge

A Era do Futuro (The Golden Age)

Era of the Future is a modpack designed to capture the essence of Minecraft’s golden age while embracing modern mechanics and mods. It blends nostalgia with innovation, delivering a fresh yet familiar experience full of fun for all players.

958downloads