Minecraft Java 1.21 Mods
Browse 511 free mods for Minecraft Java 1.21 — popular picks include Player Immortality Mod, Hyper! ඞ, RandomAll.
Updated daily
Player Immortality Mod
Become immortal and never go below 1 HP half a heart of health, except from void damage.
Hyper! ඞ
Cursed and complicated tech 'n' magic mod.
RandomAll
The only randomizer you will ever need!
Penomior
LeveL System and make your own build and fight with your friend!
Craft Sponge
Adds a crafting recipe for sponge

oSzoukaua's: No loss XP
Drop all of your XP when you die and go recover it all!
Auto Rocket+
This project has been archived due to low downloads and no motivation to continue updating. Auto Rocket+ automatically equips fireworks while flying with an Elytra and restores your previous offhand item when you land. Toggle it anytime with R.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial
A Minecraft mod that presents a possible world set in the MirageFairy universe.
Elements of Beta
Elements of Beta is magical datapack that not only brings beta Elements to 1.21, but adds more! Check out Purely Beta for just bringing vanilla Beta features.
Mace Glow
This plugin adds a glowing effect to every player who has an MACE in their inventory
POWERful Crossbows
Tired of crossbows being useless? Well now they aren't! With this datapack, Crossbows can be enchanted with both Breach and Power!
Shearing Sheeps Drop op loot
Shear a sheep → get insane end-game loot. Works on every version from 1.21 to 1.21.10. Adds custom loot table, and turns sheep into walking OP supply crates. Perfect for chaos survival or challenge world
DeathSlot
Locks a random player slot when players take damage, and also has a shared mode where all players share locked slots.
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
Mini Mobs
Adds new mini variant of mobs that spawn naturally.
SharedSoul
Experience true cooperative survival where all players share health, hunger, inventory, XP, and death. When one player takes damage, everyone feels it. When one dies, all die together. Perfect for close-knit groups seeking the ultimate teamwork challenge.
OneHitTree
OneHitTree instantly breaks entire trees with one block hit. This lightweight plugin works across Minecraft 1.13-1.21, featuring configurable options and automatic leaf cleanup for efficient wood gathering.
Rogue Worlds
Transforms the game into a roguelike with many unique upgrades, custom structures and multiple levels
Protection for Elytra (Now Fixed)
Protection and a few more chestplate enchantments Now Work on elytra

Infused Potatoes
Craft new potatoes, unlock magical abilitys, and fight with unholy powers!
Devil SMP
This plugin adds 6 different sigils that will imitate the abilities of the unseen underworld
Custom Legendary Maces
Custom Maces and Mace Abilities
NoMoreJumpscares
Removes the Elder Guardian curse effect when receiving mining fatigue
Sanity System
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
Spells and Orbital Strike Cannons
An extension of the orbital strike cannon Datapack, SaSC is a brand new Datapack that adds magical features from many pieces of media.
WildLife
A recreation of the WildLife series by Grian!
End Descent: Fall from the End to the Overworld!
Falling into the void is no longer a game over! Basically it takes you to the Overworld, but that doesn't sound as cool.
Enchantica
Enchantica adds a wide variety of uniquely designed enchantments for weapons, tools, armor, elytras, and more. It’s built to be as vanilla-friendly as possible, filling gaps in the enchantment system; especially for underused items like elytras and hoes.
[DISCONTINUED] Open Your Eye
A mod that makes Eyes of Ender a late game item.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Goiler Weaponry
Unique Weapons for an exciting Minecraft Experience
Bad Mod
This Mod Gives You More Things To Play Around With Like The Metal Detector And Other Stuff
Unstable SMP Marlowww's Warden Aura
Adds Marlowww's warden aura seen on the Unstable SMP
NoDropX
Give no drop items! Compatible with ItemsAdder. Folia support.