Minecraft Java 1.21 Mods
Browse 513 free mods for Minecraft Java 1.21 — popular picks include Your Mind, NoArrowsStuck, Hardcore Slots.
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Your Mind
Your Mind: The Fog is Watching
NoArrowsStuck
No more arrows stuck on players
Hardcore Slots
In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.
Safety is Nowhere
Dreams are real and so are nightmares. The world is corrupted, find the source of abnormalities.
SpikeyTotem
Balances the Totem of Undying by dealing small damage while held.
sukuna abilities
adds sukuna's abilities to the game
MultiverseCreatures
Plugin for custom themed creatures and items on Spigot/Paper
GlobalHealth
All players share one global health bar. Damage one, damage all. Heal one, heal all. If one player dies, everyone dies. Perfect for challenges, hardcore modes, and teamwork-focused gameplay as well as creating content and events.
ChaosSwap
Randomly swap positions with mobs every 40–60 seconds. Fully customizable with optional effects and instant mode. in the config file
dde's Amazing Mod
Adds new blocks, items, potions, and small gameplay features focused on fun building, utility tools, and lighthearted content.
Heaven's & Hell's Armors
Adds Heaven's and Hell's Weapons and armor.
AI Moderator
AI-Moderator is a cutting-edge, high-performance moderation system for Minecraft servers (Paper 1.21+). It combines lightning-fast local heuristic filters with the deep contextual understanding of modern AI models (Gemini, OpenAI, Ollama).
Beep's Mean Crystalline Resource Machine (BMCRM)
Yet another take on passive resource generation. Forge crystals and resonate them to obtain their spoils.
Aubin's Drills
Adds drills to minecraft, just like in satisfactory.
1 Tap Kill
Give selected players the ability to instantly kill allowed mobs or players with a normal melee hit. (Troll plugin)
Blood Price
Trade your blood for strength!
ZombieVillager
Turns Zombies into Villager Zombies
As light as a feather
This mod gives you slow falling if you hold a feather.
Heavy Anvil
Makes anvils heavy / realistic.
Potion of Combat Log
Combat logging is now a feature, so it's not cheating!
Ender Node
Sculk + The End = weird teleportation devices
Realistic Heights
Makes your real length, your minecraft length.
living water
Now you take damage when you're not in water
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
LavaDamage
Take damage when standing too close to lava.
Mystic Pulse
This datapack adds drums to the game and when you play them in a specific pattern it can give you effects
Nightshift
Challenge oriented, randomly generated nocturnal events.
Dominus
Dominus is a Paper 1.21+ plugin that lets trusted operators secretly control a Minecraft server — shaping the world with powerful tools or walking among players disguised as any mob — while remaining completely undetectable.
Magi Mirrou
Use magic mirror to teleport to your home!
Stannum
Creates a client-side ambient effect using customizable particles, radius, and count
QuantumCraft
Each player sees their own version of the world
The UnHoly One
a new system of abilities. and lore to a certain individual in a peaceful world.
Cursed Coin
A cursed item of unknown purpose. Rarely dropped by zombies and skeletons. Use it… if you dare.
Anvil Restoration Recipe
This data pack allows you to get iron ingots from damaged or chipped anvils as a crafting recipe (Chipped = 22 Ingots, Damaged = 14 Ingots)
Fight Back
Fight Back against Horror Mods with OP armour that grants effects like flight and invulnerability, tools that one-shot and insta-mine everything, a new dream-like dimension, new achievements, and more!
Eternal Enchantments
RPG-inspired enchants brought into the game