Minecraft Java 1.21 Mods
Browse 97 free mods for Minecraft Java 1.21 — popular picks include stupid horror mod, Saltcraft, Contentcraft.
Updated daily
stupid horror mod
this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.
Saltcraft
A mod adding salt biomes, mobs, structures and blocks into Minecraft
Contentcraft
ContentCraft adds features and mechanics that expand on Minecraft while keeping the vanilla feel!
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Minecraft Compendium
Uses advancements to log information for the player. Look at mobs with your spyglass to add them to your Mobestiary, and discover biomes and structures!
Reforested
A Reimagining/Love letter to Forestry and Binnie's Mods for Minecraft Fabric 1.21
Halloween Storm
With a single command, enable ravageous tornadoes, ghasts invasion in the overworld, ghosts (new mob), Herobrine and forbidden forests. Compatible with worldgen datapacks!
Biome Vote
Meerkats and oases in the desert.
Sam's Tropical Update
An overhaul of Minecraft's jungles, swamps, rivers, and much more
SurvivalReborn
Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!
More Spring to Life
Transform your Minecraft world with brand-new flora, fauna, and mechanics across multiple biomes! This mod breathes fresh life into Birch Forests, Swamps, Badlands, Deserts, and Savannas, introducing new animals, plants, and interactive features.
99 Nights in The Forest
Old Growth Pine Taiga ONLY and adds 99 Nights in The Forest with basic functionality including a monster, players, a campfire, and upgrades, no abilities yet.
BetterCreaking
The Pale Garden as it should be. A scary and dangerous biome
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
Disable Zombie Sieges
Disable Zombie Sieges from spawning and messing up your village in all overworld biomes.
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
wandering explorers
wandering traders trade biome explorer maps
Cobblenormals - Cobblemon + Abnormals Compatibility
A datapack that adds Cobblemon compatibility to the Abnormals suite of mods. Includes spawn additions, drop changes, and block/biome tagging.
Genshin Impact Lunar Expansion
It is a massive expansion that brings the magic, weaponry, and currencies of Teyvat into Minecraft, while completely overhauling your end-game exploration with breathtaking new biomes, mystical abilities, and custom entities.
Better Reimagined
Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs
Feningland
A Mod Aiming to Revive the feeling of classic 1.12.2 mods by including lots of Dimensions,Biomes,Entites,Weapons and a whole lot more.
Japancraft
This mod adds new japanese-style features like a new mob from princess mononoke, structures, a new biome, a new dimension, armor, weapons and more!
Nether's Paradise (Hell's Paradise)
Adds Biome, Powers, Mobs, Weapons ect... from Hell's Paradise !
To Adventure
Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!
Forester - Timber [extension]
Guardian of the forest, protects the forest from being cut down

Pumpkin Madness
One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )
Pixelmon: No More Ultra Space
No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.
Biznesmod
This mod adds new biomes, a new villager proffesion, new mechanics (upgradable abilities, collecting iron dust to make iron ingots, etc...), new custom structures (10+), a TNT cannon which shoots tnt where you look and some new redstone components.
FindOrDie - Challange
FindOrDie is a fast-paced Minecraft challenge plugin where players must complete random tasks like collecting items, visiting biomes, defeating mobs, or unlocking achievements within a 5-minute timer . Play solo or compete in multiplayer
Enlivened End
brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
Whispers of the Pale Garden
a mod that adds various new additions to the pale garden biome. you can report bugs in the discord server.
SeasonalBehaviors
SeasonalBehaviors brings dynamic, immersive seasonal changes to your Minecraft world—altering weather, mob behaviors, crop growth, and villager trades to create a living, evolving environment. Experience nature’s cycle like never before.
From the Deep
Reel in fish and foes, with changing odds based on biome and time.
Nonsense
A new dimension with unique and creative biomes ...
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!