Minecraft Java 1.21 Mods
Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Forester - Timber [extension], Leader Zombies Are Larger, Translucent Leaves.
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Forester - Timber [extension]
Guardian of the forest, protects the forest from being cut down
Leader Zombies Are Larger
Makes Leader zombies larger and their sounds deeper to differentiate them more explicitly

Translucent Leaves
Makes all vanilla leaves completely translucent to light, preventing mob spawns and allowing crop growth under trees.
Villager Monitor
This monitor every activity or interactions from a player to a villager.
Chromaglow
Automatically grants every player and pet a glowing effect, allowing them to customize their outline color and auto-hide it using contextual settings.
Random Loot Mob Drops (RLMD)
A server-side mod that adds random loot drops from mobs. Supports any modpack via automatic tag scanning. No client installation required.

Sculk Eye
Adds a new Sculk Eye Block - scans entities of a given type in a given radius and emits redstone signal based on the count
LevelUp Attributes
Adds a simple RPG-style leveling system that increases player attributes as they level up.
Jundy's Emberling
Tiny vanilla friendly fire spirits that move into furnaces at night and smelt for you.
mPiglinXP
A Minecraft plugin that makes zombified piglins drop 1-10 experience points on death.
Carpet Bot Idle Walking (Carpet Mod)
Allows Any "Carpet Mod Bot" To Walk Around Randomly
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
disable phantoms
This plugin disables phantoms.
Remove Darkness Effect - Plugin
Remove the Darkness visual effect from the game, allowing players to toggle it on or off.
CMBT (Combat)
Combat datapack that turns existing tools into new weapons.
Forgotten Realm
A forgotten realm, long lost to many, now rests within your grasp.
SlimeRange
Turns minecraft world into Slime Rancher
Sniffy Sand
Makes sand, red sand and dead bushes renewable through Sniffers!
Whistling Petals
Arrows can break spore blossoms and harvest glow berries; configurable to support more items
Disable Illager Drop
Disables totem and emerald drops from Illager-type mobs for better balance.
PatientZero
study the blood of living creatures, find patterns in them, and create your own viruses that you can spread!
Ali's PvP (Phone)
Fully optimized for Android with, performance tweaks, and seamless mobile PvP gameplay.
Resourceful Sheep
A customizable mod that turns sheep into walking resource generators.
Battle Buddy
Battle Buddy creates a loyal companion that follows, fights hostiles, uses gear smartly, and stores your items.
Project: TitanSlayer
Slaughter Mobs and Bosses in a Doom Style
[Y] Apocalypse Zombies
This project adds brand new Zombies straight out of the Apocalypse! Part of the [Y] Apocalypse Modpack. Currently still in development.
Villager Job Block
This mod allows to see to which block is villager job connected.
Dolphin No Drown
A simple Minecraft data pack that prevents your pet dolphins from suffocating.
HeightLimitSpawn
Control mob spawning based on world height.
Dr.Stone : Legacy Of Petrification
A French-made Minecraft mod inspired by Dr. Stone, featuring pottery, depetrification, and more.
Fully Foliage!
Adds over 40 new plants to MINECRAFT, along with three woodsets, and more!
Frog Drops│青蛙掉落物
Frog will drop Slimeball when killed.│青蛙被擊殺時會掉落史萊姆球。
Crqzy's Dynamic World Events
Automatically triggers random server-wide events — meteor showers, mob invasions, trader caravans, droughts, and treasure hunts — to keep your SMP fresh and players engaged.
Mob Lifesteal
This makes mobs steal your hearts when they attack you! Kill a mob to regain one heart.

Nether Spawnproof
Places buttons on spawnable surfaces to prevent mob spawning. Perfect for Wither skeleton farms in the Nether. Two speed modes, preview before placing, supports all button types.
Rifted Lands
It is a "what if I had influence over the evolution of the game" kind of modification. Although still in development, this mod aims to deeply rework Minecraft, making it more challenging, more rewarding, and ultimately more enjoyable. Progression is slowe