Minecraft Java 1.21 Mods
Browse 506 free mods for Minecraft Java 1.21 — popular picks include Slimes Everywhere, Warfre's Mob Personality, PollutedLands.
Updated daily
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Warfre's Mob Personality
Enhance your vanilla experience with tons of variants and details.
PollutedLands
PollutedLands adds a dynamic pollution system where over-mining and exploitation in a chunk leads to environmental decay, corrupted mobs, and eerie visual effects, creating a harsher, more immersive survival experience.
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!
HissTickBoom [BNB Standalone #2]
Makes Creepers even more painful to deal with!
You Can't Sleep
A about bed sleep's horror mod
Speedrun Scientology
Explore a new dimesion containing an infinite dungeon where you can explore, loot, and fight monsters as you try to escape.
Safety is Nowhere
Dreams are real and so are nightmares. The world is corrupted, find the source of abnormalities.
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
Ores Refined
Adds New Weapons and New Armour Refines Useless Ores To make them Useful
jo7171's Coil Chaos Mod
This mod just adds random things to the game like items, dimensions, mobs etc
Banana dimension
A minecraft dimension mod themed after bananas
Void Spawn Fix
Void Spawn Fix is a simple utility mod that prevents mobs from spawning in the void.
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
Bastion Reprieve
More piglins, less brutes. A compromise between 1.16.1 and modern Minecraft.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
A Little Darkness
This mod aims to increase the difficulty and variety of gameplay by adding content related to darkness in one way or another.
A Mod About PWGood (Chapter 1)
A mod about russian streamer PWGood.
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
BagelVulture's First Mod
a bunch of random additions that aren't quite vanilla+
LeashedMobsTeleport
Teleport leashed entities across dimensions and allow leashing any type of mob with advanced protection.
AgonyMinus
Adds various gimmicks and items and critters and whatnot
More Collectables by Memontanik
This Project Adds More Stuff to Collect, Craft, Use and Break! It could be a fun experience with this Project!
API-NameTagVillagers
RU NAMES This is a Minecraft datapack that automatically changes and generates names for villagers (the “nosy ones”). It makes the game world feel more alive — now every villager receives a unique name that is generated when they spawn.
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
UltraChicken
UltraChicken is a custom chicken plugin adding unique chickens with special drops, breeding mechanics, and natural spawning across multiple worlds.
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
Unstable Nether Portal Strike
This Datapack adds the Null Nether Portal Strike from the Unstable SMP.By holding an nether star given from a command in description named null, nether portals will start spawning, zombies will come out.

PILLAGER ARMY
This mod adds new creatures, a new interface, and even magic. It also improves raids, making them more complex.
Cristalxal
Taiga update mod, which also adds new structures and weapons
WardRegion
Region protection plugin for Minecraft 1.21 with wand-based selection, GUI management, whitelist access, flexible flags, particle previews, and MySQL storage.
Vegner's Rubies
A simple mod with simple goals - Improve the Superflat palette.
No Music Discs from Creepers
Removes music discs from creeper's loot table when killed by a skeleton. You can find all C418s music discs in dungeons now.
Mainworld
Mainworld... mod introduces several new mechanics,items,and armor. it also adds about 30 diffferent structures,each suited to its own biome,as well as new biomes. Explore the world and discover its fill potential, know that they are always watching...
Progression Reshuffled
A mod that focuses on reworking Minecraft's Progression, from Mob Tweaks to Tool Rebalancing
Radiation Poisoning
This mod aims to be a challenging standalone experience that puts the player in the aftermath of a radioactive fallout.