Minecraft Java 1.21 Mods
Browse 3,579 free mods for Minecraft Java 1.21 — popular picks include sky-islands, Cube Reborn Cobblemon, Meows' Extras.
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sky-islands
Sky Islands is a skyblock survival mod that transforms the entire Minecraft world into a realm of floating islands suspended above the void.
Cube Reborn Cobblemon
Dive into a rich and diverse world where every biome is teeming with mysterious creatures waiting to be discovered. Explore breathtaking landscapes, from vast forests to snowy mountains, in search of your favorite Cobblemons.
Meows' Extras
A miscellanious mod with new ores, new biomes, a new dimension, and many secrets, jokes, references, and other random ideas.
Bare Bones - Creeper Variants
Biome specific creeper variants for Bare Bones
Hollow Knight: Silk & Void
A Hollow Knight mod for Minecraft.
Baldi6011s random content additions
a random minecraft mod with a lot of random things in it.
Biome Snapshot
This mod provides some commands to export the biome or terrain status of a specified coordinate range as a flat map (requires permission level of 4).
BigWorld
An Larger Aesthetic World, More Expansive Biomes and a Dark new World to Explore!
Foul Service
Pale garden is a quite scary place, yet very serene. What if there was another place just as serene but friendly?
Darker Worlds
Adds 'Dark Worlds' From DELTARUNE.
SCSMP Tweaks
Custom mod to add just a few extra bits and bobs to the SCSMP: 2 modpack

Birch Creaking
Adds the Birch Creaking to birch forest biomes.
FrutigerAero_craft
This mod adds a new biome to the familiar Minecraft biome with the Frutiger Aero aesthetic.
MoreBiomes999
MoreBiomes999 is a Minecraft Bukkit/Paper plugin that creates a custom world called "MoreBiomes999" with beautiful glade biomes featuring unique terrain generation and natural structures.
Ambient Fogs
Custom skies and unique biome fogs built to create a more atmospheric, immersive Minecraft.
Ethereal Reborn
Ethereal is a modpack that reimagines Minecraft as a boundless fantasy world. From vast enchanted biomes to roaring brass contraptions, wonder thrives.
Powerstonetools
Powerstonetools is focused on it's tools, weapons and armor. You can get those in it's new dimension with it's new biomes, blocks, entites and structures.
KTF Heroes & Horizons
This modpack combines RPG classes, progression, and exploration with a living economy, unique structures, and immersive villages. Featuring Cobblemon, farming & nature expansions, and Create automation, it offers endless adventures in a dynamic world.
Garunixpansion
A vanilla-style expansion of the game, adding a new biome, new trees and wood sets, mobs, blocks, and more.
Denis' Mightier Mobs
A small collection of various biome adapting mob resource packs
Sticks On Ground
Wooden sticks in forests !
Environmental Spells
A biome-based magic system! Collect unique resources from different biomes to craft powerful spell books. Each spell has unique effects - from forest roots to the devastating Warden's scream!
Contentcraft
ContentCraft adds features and mechanics that expand on Minecraft while keeping the vanilla feel!
Witch Atelier
An early alpha project inspired by Witch Hat Atelier, featuring a custom biome, magic, portals, flying boots, ink crafting, and unique tree cultivation.
Superflat Features and Structures
Lets all structures and features (biome dependent) generate in all superflat presets!
Landscape Paintings by Luiza Niechoda - Resource Pack
Adds 70+ paintings of landscapes, forests, mushrooms and all things nature! Original paintings by Luiza Niechoda.
Aquarius Trilogy
Add a new aquatic dimension featuring some refreshing biomes and structures
Simple BANG
The goal of this modpack is to add some practical content and features to Minecraft, while keeping the basic essence of a vanilla experience. This then implies no new biome/blocks/mobs.
Better Snowy Terralith
Version of "Better Snowy Biomes" to support Terralith
Eclipsed Depths: The Ultimate Deep Dark Experience
Eclipsed Depths: The Ultimate Deep Dark Experience is a comprehensive mod pack for Minecraft that offers players a thrilling exploration of the Deep Dark biome. Designed for adventurers, the pack features expanded biomes with distinct landscapes.
Cozy Creepers
An opinionated Minecraft modpack that focuses on making the game more Cozy with new biomes, structures, and a variety of decoration mods.
Wildflower Hollow
This is an immersive modpack filled with lush biomes, ancient ruins, new weapons, and challenging mobs. Explore The Afterdark Dimension, build with tons of decor, and enjoy smooth gameplay with FPS boosts.
VJ'S SKIES
New vibrant colors and fog for the skies in diferent biomes :D
Biometastic!
All the biome mods and then some!
NoMorePowder
No more sinking. No more freezing. Just snow.
Plains Grass Everywhere!
Changes the Grass colormap so it always matches the Plains biome color – Part of the "Oh My Colormap!" collection.