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Minecraft Java 1.21 Mods

Browse 1,209 free mods for Minecraft Java 1.21 — popular picks include Hazelia, Ships Ahoy!, Biome Replacer (Neoforge).

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Hazelia
1.21.1neoforge

Hazelia

Hazelia dimension, creatures, and boss!

3.7kdownloads
Ships Ahoy!
1.21.1fabric

Ships Ahoy!

An exploration/adventure based mod pack with new biomes, challenging mobs, ships, and enhanced vanilla structures!

3.6kdownloads
Biome Replacer (Neoforge)
1.21neoforge

Biome Replacer (Neoforge)

A quick way to get rid of a biome. Useful for tweaking datapack-based generators (like Terralith) that don't have a convenient configuration

3.5kdownloads
Abandoned Cabins
1.21.4neoforge

Abandoned Cabins

Adds Abandoned Cabins to forest biomes.

3.5kdownloads
Birch Watchtower - Structure ✅
1.21

Birch Watchtower - Structure ✅

Birch Watchtower is a modded Minecraft structure designed as a lookout tower, naturally integrated into birch biomes and intended for exploration, observation, and environmental atmosphere.

3.5kdownloads
Bare Compasses (Bare Bones x Nature's/Explorer's Compass)
1.18.2

Bare Compasses (Bare Bones x Nature's/Explorer's Compass)

A Bare Bones x Nature's/Explorer's Compass Resource pack

3.5kdownloads
Structure nature(Alpha)
1.21.7fabric

Structure nature(Alpha)

we add everything we think is fun anything that will enhance the minecraft experience

3.5kdownloads
Savanna Watchtower - Structure ✅
1.21

Savanna Watchtower - Structure ✅

Savanna Watchtower is a modded Minecraft structure designed as a lookout tower, naturally integrated into savanna biomes and intended for exploration, observation, and environmental atmosphere.

3.4kdownloads
Nature+
1.21.8neoforge

Nature+

A mod that adds improvements to nature! This mod includes Oil, Trash, Polluted Water, Trash Dumps, and even Wallmart!

3.3kdownloads
[World Generator] Winter Apocalypse++
1.21.7

[World Generator] Winter Apocalypse++

Makes the world cold and snowy in every biome in the overworld.

3.3kdownloads
The Polluted World
1.21.8neoforge

The Polluted World

A Dimension that is accessed through the deep dark that contains 7 biomes, 4 ores, 2 armor sets, magical weapons, 6 mobs, archaeology and decontamination system, and more on the way!

3.3kdownloads
HeartLoven
1.21.11fabric

HeartLoven

The most romantic Minecraft mod for couples! Hold hands, build a home together, and go on unforgettable dates — all in-game.

3.3kdownloads
Mushroom Fields Dimension
1.21fabric

Mushroom Fields Dimension

Add mushroom fields single biome world type as separate dimension.

3.2kdownloads
Multi Village Selector
1.21.1fabric

Multi Village Selector

A mod for allowing modpack creators to have as many village replacing mods as they like, setting biome, weights, and frequency of pool structures.

3.2kdownloads
Amellyst
1.21.1forge

Amellyst

This is a nice modpack that adds new biomes, items, mobs and structures.

3.1kdownloads
Ocean Revamp
1.21.11

Ocean Revamp

New ocean biomes to improve your aquatic journeys in vanilla

3.0kdownloads
Alternate Create Of Fiery Items (ACOFI)
1.21.1neoforge

Alternate Create Of Fiery Items (ACOFI)

ACOFI is a mod that changes the craft of fiery equipment from the Twilight Forest

2.9kdownloads
Badlands Biomes Dimension
1.21fabric

Badlands Biomes Dimension

Add badlands biomes as separate dimension.

2.9kdownloads
Santa Claus Dimension
1.21.8forge

Santa Claus Dimension

Explore the Santa Dimension and find gifts!

2.9kdownloads
Geo Expansion
1.21.1neoforge

Geo Expansion

Explore New Caves, New Biomes and More in this unique Geology mod.

2.9kdownloads
Global Emeralds
1.21.1neoforge

Global Emeralds

Unlocks Emerald Ore to spawn in all biomes.

2.9kdownloads
The Darkworld Dimension
1.21.11

The Darkworld Dimension

This datapacks add a new dimension, a new biome, a new enchant, a new block, new mobs and flying boots!

2.9kdownloads
Biome Squisher
1.21.1fabric

Biome Squisher

A library mod for adding biomes by "squishing" other biomes out of the way

2.9kdownloads
No Silverfish
1.16

No Silverfish

Removes silverfish from spawning in mountain biomes underground.

2.9kdownloads
Mining Dimension by GuyguyTime
1.21.1neoforge

Mining Dimension by GuyguyTime

simply a mining dimension

2.8kdownloads
Mijoma's Additional Additions
1.21.5forge

Mijoma's Additional Additions

New biomes, new structures, new mobs, AND new technology! Along with revamping vanilla minecraft elements, this modpack also adds new enemies, interdimensional travel, engineering and tinkering, and even magic!

2.8kdownloads
Miracleforest
1.21.1neoforge

Miracleforest

New lore, new biomes, new types of trees, and new weapons and tools. A brand new journey awaits you!

2.8kdownloads
Biome Fest
1.21.1neoforge

Biome Fest

A vanilla-like mod adding 14 new biomes without any new blocks or items.

2.8kdownloads
Dreamwoods Original
1.21.1fabric

Dreamwoods Original

Vanilla biomes rework+new biomes, big and realistic trees and enchanced flora - everything created only with vanilla blocks

2.7kdownloads
SkyBlock Terralith Compat
1.21

SkyBlock Terralith Compat

Explore Terralith biomes in a void world! This pack adds compatibility between the SkyBlock and Terralith Datapacks.

2.7kdownloads
Forever Winter
1.21

Forever Winter

Makes all biomes on the overworld snowy.

2.7kdownloads
More Little Decorations
1.21.8neoforge

More Little Decorations

Adds details in the form of different stones from different materials to each biome. In the future I plan to add more details such as sticks flowers fallen leaves and the like.

2.7kdownloads
d3v_c's Terrain Overhaul
1.21.11fabric

d3v_c's Terrain Overhaul

Fabric worldgen overhaul for 1.21.11: taller mountains, deeper terrain, rebalanced biome climate zones, more natural caves, and improved underwater shaping for realistic Overworld landscapes.

2.7kdownloads
BetterEnd Fix for NeoForge
1.21

BetterEnd Fix for NeoForge

A datapack that allows Better End biomes to generate properly for Sinytra Connector.

2.6kdownloads
CustomBiomeColors_Continue
1.20.5

CustomBiomeColors_Continue

A plugin that help you change biome colors (grass, foliage, water...) without resourcepack

2.6kdownloads
The Endless Horizons
1.21.8neoforge

The Endless Horizons

This mod adds different utilities that have the Horizons theme. For example, the primordial trials, dungeons with great difficulty, but that give you exclusive objects. If you love exploration, you will surely love the Endless Horizons mod.

2.6kdownloads