Mods for Minecraft Java
Browse 2,480 free mods for Minecraft Java — popular picks include Nether 3.0, Dimension Expansion, Toffy's Biome Paint.
Step by step: How to install Minecraft Java mods & modpacks
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Nether 3.0
A light datapack which alters Nether generation to make it more interesting to traverse by modifying existing biomes.
Dimension Expansion
Designed for 1.21.1, add new dimensions to your modpack with teleporter blocks and fun new features. Deep Beneath, Mining Dim and Stoneblock. More to come!
Toffy's Biome Paint
Paint biomes onto your world! Convert Savannas to Plains or paint the world Crimson Forest
Tax' & Leon's Biome Trader
Adds 8 new biome structures with biome themed villagers. They trade biome themed items and offer new armor sets
Revamped Floating Islands
Datapack that creates Floating Island worlds based on the old preset, with all biomes and structures. Additionally featuring floating oceans and rivers.
Abyssbound
a mod that adds new biomes, mobs, bosses and structures based of the void
Discontinued: Syconn's Star Wars Mod
This Mod is bring you to a galaxy far far away.
OTG: Flatlands
A superflat world with many different biomes and super sized villages. For use with Open Terrain Generator.
Eastward Journeys
World generation mod with a focus on east-asian locales
Wastify
Alter biomes and/or blocks after worldgen
BetterEnd: Remastered
BetterEnd Remastered completely overhauls the End dimension! Discover 24+ breathtaking biomes, exotic mobs, custom terrain, and powerful new gear. Forged natively for Minecraft 1.21.1 with exclusive performance optimizations and critical bug fixes!
OTG: The Void
A void world with a single floating island at spawn. For use with Open Terrain Generator.

Alex's Caves: Refabricated
An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...
Evil Ocean
Evil Ocean is an world generation mod with custom generation
Whisperer's Jungle Temple
Adds a new temple structure to the game, along with two new mobs
Philip's Biome Features
Mod that adds boulders, rocks, and features to Minecraft. Keeps vanilla biomes fresh with nature content.
Pixelmon More Structures
This Mod Currently Adds 10 New Structures
Better Biome Blend Continued
Improved version of Better Biome Blend.
Starry End
Scatters stars throughout the end & adds two new biomes.
RPGTitles
Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..
Vintagecraft
This mod will take you back to the golden days of exploration
On Further Tales
Expand your end game!
Lunar Nether
Adds the moon, its the Nether's surface!
Tree Giant
Adds many different giant biome-specific trees to the world
The Beyond
Extensive end dimension expansion mod
Environs++
Adds over 20 new biomes to your world
Winternal
An eternal winter gamerule
Schizophrenia Dweller
the schizophrenia dweller is a scray dweller with new biomes and more ! WARNING : it's scary !
Poisonous Potato Update
Almost all content from the April Fools' snapshot 24w14potato
Immersive Caves
A Vanilla+ mod that adds 15+ new climate/biome based Cave Types
Story Mode Portals
Adds various portals seen in Story Mode
Glowroot Caves
A cave-biome mod based on glow squids with new mobs, structures, and mechanics.
Carpet Sky Additions Reborn
Infinite empty World Generation with Biomes and Structure Bounding Boxes kept in place. Obtain any block/item in Minecraft through a unique vanilla-respecting progression.
Colored Dimensions!
Adds dimensions based around a color!
Crystal Chronicles
Addon for Iron's Spells 'n Spellbooks - expanding the schools of magic with unique armors, weapons and biomes.
OTG: Dungeons
A Dungeon dimension generator for use with Open Terrain Generator. Used as a tech demo.