Minecraft Java 1.21 Mods
Browse 12,341 free mods for Minecraft Java 1.21 — popular picks include Mijoma's Additional Additions, ZombieApocalypseSSS, Little Penguins.
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Mijoma's Additional Additions
New biomes, new structures, new mobs, AND new technology! Along with revamping vanilla minecraft elements, this modpack also adds new enemies, interdimensional travel, engineering and tinkering, and even magic!
ZombieApocalypseSSS
ZombieApocalypseSSS is a comprehensive Minecraft plugin that transforms your server into a thrilling zombie survival apocalypse. Featuring advanced zombie AI, evolving variants, player infection mechanics, psychological horror elements, and dynamic events
Little Penguins
A mod that adds cute little penguins.
Extractrooms
Backrooms-themed looter mod. Clip inside, loot randomly generated rooms, and find the exit before the timer runs out.
Fantasy Illagers
A mod that adds new Illagers and structures for you to fight and explore.
Grow a Garden (Minecraft)
Grow a Garden in Minecraft
Animal Genders
Introducing a male/female biological system to all animals.
Clean PvP V2
⚔️ My PvP Resource Pack A lightweight and clean Minecraft PvP texture pack designed to improve performance, visibility, and competitive gameplay in every fight. ✨ Features: 🔥 Custom small Totem + unique Totem pop animation 💧 Clean, transparent-style wa
Attack Through Grass
A Minecraft mod that allows you to attack mobs through any non-collidable objects like grass and cobweb!
Spiky-Eared Pichu Cobblemon
adds spiky-eared pichu to cobblemon. *technically it's already there in the mod, just enabled it with a datapack.

Lightning Podoboo
Makes fire created by natural lightning cosmetic, meaning no blocks are destroyed during thunderstorms.
kill.jar
A horror mod that is based off The Broken Script
Contoro's Ores+
This mod adds ores and new tools and armor, but with a twist. The player needs certain leveled tools to get stronger ores. This mod also adds a new dimension and a new boss.
Zenith PvP
A smooth, FPS-boosted PvP texture pack featuring clean swords, animated 3D totems, and lag-free visuals for competitive players.
RedHitIndicator
Shows a red "Hit!" indicator below your crosshair when aiming at mobs or players. Instant visual feedback for better aim accuracy in PvP and combat.
Myths and Magic (Centimental)
This mod is specifically created for the Centimental^2 SMP. It adds unique weapons, armor, and mobs to Minecraft
Mobs Active Ride│生物主動騎乘
Let the mobs actively ride to form knights, instead of only spawning knights when mobs are generated.│讓生物主動騎行形成騎士,而不是只在生物生成時產生騎士。
Armorer Heal Golem
Armorer Villagers now take care of Iron Golems, helping them stay strong and ready to defend the village. [1.21.9 - 26.2]
Cursed Spawners
Makes spawners far more dangerous than they need to be.
Cosmonautics: Warp Drive
Warp Sable-physicalized ships and stations to any recorded location, in any dimension, using stored power. An addon for Create + Cosmonautics.
Cobblemon Trials Edition - Default Datapack
This is a datapack that includes the default structure files for the Cobblemon Trials Edition Mod.
Roost Ultimate - Terralith [ADDON]
Adding support for spawning Roost Chickens in other Biomes
Roost Ultimate - Autumnity [ADDON]
Adding support for spawning Roost Chickens in other Biomes
Pikachu-Captain[Cobblemon]
A Pokémon expansion data pack.
Better Ghast Harness
Faster, stronger, shinier = Happier Ghast!
While You Were Sleeping
While You Were Sleeping makes sleep meaningful by simulating time passage during the night. Instead of skipping time with no progress, your farms, furnaces, and animals continue working while you rest.
Klsts' Monsters
Adds some monsters and mechanics to increase difficulty
Savage Cyclopes Mod
This mod adds new and difficult foes to the game. They are similar to pillagers, but are stronger, faster, and more dangerous. All of the features were carefully designed to fit in with the vanilla game, yet still be unique. This mod is frequently updated.
Simple Effect Gems
A simple mod that adds new gems that can be equipped in the off-hand or main-hand to receive effects.
All Mobs are Creepers
Every mob that appears in the world will become a creeper. Now the world will be full of dangers!
TEST.jar
There is a glitch in your worlds code you are playing a new beta version of minecraft that came out strange things are happening like a infection of some static block and creatures are in your world Credits to mark 101 for inspiring me
Bubonic
The 'black death' was the deadliest pandemic in recorded history, and now in your Minecraft world.
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
MythicAnnouncer | MythicMobs Add-on
Displays spawn time holos and announces MythicMob spawning, death and despawning events.
No Creeper & Ghast Explosions
Prevents Creepers and Ghasts exploding blocks, but they still do damage. Very lag friendly and optimised.
Not Serious Bare Bones Mod Compat
Bare Bones Compatibility for Various Mods! Wood Armor, More Ladders, Pure Copper Tools, Wheelbarrow, Amethyst Equipment, Inmis, Bronze, Copper Golem, Simple Copper Pipes, Basic Weapons, Snow Pigs, Nears, Nemo's Creatures, Sandwich Mod, and more!