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Minecraft Java 1.21 Mods

Browse 3,577 free mods for Minecraft Java 1.21 — popular picks include Deep Aether Mod (1.21.1, 1.20.1) – Lots of New Features to Aether, Amethyst Caves Data Pack (1.21.5) – A Sparkling New Underground Biome Awaits, Marigold Flower Mod (1.21.1, 1.20.1) – Flourish Your World.

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Deep Aether Mod (1.21.1, 1.20.1) – Lots of New Features to Aether
1.21.1forge

Deep Aether Mod (1.21.1, 1.20.1) – Lots of New Features to Aether

Deep Aether Mod is an addon for the Aether Mod, it aims to add lots of new features to give players a chance to venture deeper into the Aether dimension, while also maintaining its original style. Extra content includes new blocks, items, plants, biomes, trees, mobs, and more. Features: New Biomes: Aerglow Forest Blue Aerglow […]

Amethyst Caves Data Pack (1.21.5) – A Sparkling New Underground Biome Awaits
1.21.5

Amethyst Caves Data Pack (1.21.5) – A Sparkling New Underground Biome Awaits

Amethyst Caves Data Pack adds the Amethyst Caves biome to your world-glimmering underground expanses filled with amethyst clusters, crystal formations, and unique atmosphere. Explore these magical caverns and uncover their shimmering beauty hidden deep below the surface. Enjoy playing this data pack! Features: Add the new "amethyst biome" without taking any default biome in the […]

Marigold Flower Mod (1.21.1, 1.20.1) – Flourish Your World
1.21.1fabric

Marigold Flower Mod (1.21.1, 1.20.1) – Flourish Your World

Marigold Flower Mod introduces a charming new flower-the marigold-into Minecraft, enhancing both the aesthetic and functional aspects of the game. These vibrant blooms can be found naturally in various biomes, including plains, snowy plains, birch forests, forests, and flower forests. Features: Similar to orange tulips, marigolds can be crafted into orange dye. Incorporating a marigold […]

Gardens of the Dead Mod (1.21.1, 1.20.1) – New Spooky Biomes
1.21.1neoforge

Gardens of the Dead Mod (1.21.1, 1.20.1) – New Spooky Biomes

Gardens of the Dead is a mod focused on adding creepy new biomes to the Nether. With this mod installed, players can encounter two new environments: Soulblight Forest and Whistling Woods. These biomes introduce new plants and tree variations, providing a fresh foundation for crafting decorative blocks. The image below showcases how these biomes will […]

Jaiz Mobs Mod (1.21.5, 1.20.1) – 20+ Unique Mobs
1.21.5fabric

Jaiz Mobs Mod (1.21.5, 1.20.1) – 20+ Unique Mobs

Jaiz Mobs Mod is a mod aimed at improving minecraft diversity in terms of entities. Monsters and creatures will now spawn all over the world. Things such as the seed dropping cultivator in the cherry blossom biome, to the VoidBull, guarding the outer end islands, there is a wide range of new things to explore. […]

AeroBlender Mod (1.21.1, 1.20.1) – TerraBlender + The Aether
1.21.1neoforge

AeroBlender Mod (1.21.1, 1.20.1) – TerraBlender + The Aether

AeroBlender Mod is a library mod dependent on TerraBlender, with the intent to add terrablender's functionality to The Aether Dimension. This API allows modders to add biomes in a simple and compatible manner with Aether's biome/terrain system. It is mainly used in Deep Aether and other Aether addons. Screenshots: AeroBlender Mod Download Links For Minecraft […]

Snow Pig Mod (1.21.4, 1.20.1) – Spooky But Harmless
1.21.4forge

Snow Pig Mod (1.21.4, 1.20.1) – Spooky But Harmless

Snow Pig Mod is a mod that introduces a new animal to our blocky Minecraft worlds-a frozen pig, also known as the snow pig. You can find this chilly creature wandering the coldest biomes in the Overworld. Despite its glowing eyes, which might seem eerie, it’s not a hostile creature. The snow pig is entirely […]

Twilight's Flavors & Delight Mod (1.21.1, 1.20.1) – Turn Forest Loot
1.21.1neoforge

Twilight's Flavors & Delight Mod (1.21.1, 1.20.1) – Turn Forest Loot

Twilight's Flavors & Delight Mod brings the cooking style of Farmer's Delight into the world of The Twilight Forest. This mod adds dozens of new food items and recipes using materials from both mods. You can also craft special knives with unique abilities and use five new potion effects to help with combat and exploration. […]

Nether Depths Upgrade Mod (1.21.1, 1.20.1) – New Flora, Fauna and Mechanics
1.21.1neoforge

Nether Depths Upgrade Mod (1.21.1, 1.20.1) – New Flora, Fauna and Mechanics

With Nether Depths Upgrade Mod, the Nether will gain an under-lava world. Nether Depths Upgrade introduces flora and fauna to the lava seas, allowing new species of fish, sub-lava mobs, structures, and even entire biomes to inhabit the fiery depths. Features: Lava Fishing: Players can fish in lava, catching unique Nether fish. Nine New Fish […]

EMD123's Ships Data Pack (1.21.4, 1.20.1) – Adventure of the Seas
1.21.4

EMD123's Ships Data Pack (1.21.4, 1.20.1) – Adventure of the Seas

EMD123's Ships Data Pack introduces a new adventure structure to make the ocean more interesting. The ocean is usually considered the most empty and most boring biome in Minecraft. This simple worldgen data pack aims to make the sea a bit more exciting by adding in Illager Ship. There are a few kinds of Illager […]

Fabric Seasons Mod (1.21.1, 1.20.1) – Seasonal Biomes
1.21.1fabric

Fabric Seasons Mod (1.21.1, 1.20.1) – Seasonal Biomes

Fabric Seasons Mod introduces seasonal changes to Minecraft, with the seasons shifting every 28 in-game days. In summer, the grass will appear green and vibrant, while in spring, its shade will change slightly. During autumn, foliage turns redder, and in winter, it darkens-snow may also fall. The seasonal transitions are well-implemented, and to help players […]

Sky Villages Mod (1.21.1, 1.20.1) – Floating Villages
1.21.1neoforge

Sky Villages Mod (1.21.1, 1.20.1) – Floating Villages

Sky Villages Mod is a mod that modifies village generation, allowing a new type of village to appear on floating islands. So, if you're tired of the usual villages, you can now discover settlements in the sky-or even make one your base of operations. These sky villages generate randomly, regardless of the biome in which […]

Totemic Mod (1.21.1, 1.20.1) – Carve Your Own Magical Buffs
1.21.1forge

Totemic Mod (1.21.1, 1.20.1) – Carve Your Own Magical Buffs

Totemic Mod adds magical Totem Poles to your world, focusing on nature and music. These poles give helpful passive effects to nearby players. You can also perform Ceremonies by dancing and playing music around them to create powerful magic and change the world around you. Features: Adds Red Cedar wood, the main material for crafting […]

MysticMons Data Pack (1.21.1, 1.20.1) – Models and Animations for Cobblemon
1.21.1

MysticMons Data Pack (1.21.1, 1.20.1) – Models and Animations for Cobblemon

MysticMons Data Pack includes models and animations for Pokemon currently not available in the base mod. It also enables Legendaries to spawn in the wild. Features: Pokemons are currently in this pack: Yveltal – Spawns in Dark Forests at night Buzzwole – Spawns in Swamps Roodikee, Corvisquire, Corviknight – Spawns in Swamps, Mountains and Forests […]

Galosphere Mod (1.21.1, 1.20.1) – The Diverse World of The Underground
1.21.1forge

Galosphere Mod (1.21.1, 1.20.1) – The Diverse World of The Underground

Galosphere Mod is a mod designed to enhance and expand diversity in Minecraft's underground world. This mod focuses on generating new biomes, creatures, mechanics, blocks, items, effects, achievements, and more. The new underground terrain generation introduced by this mod adds crystals and new mineral resources to the game. These new minerals and materials will allow […]

Thicc Villagers Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Thicc Villagers Resource Pack (1.21.1, 1.20.1) – Texture Pack

Thicc Villagers Resource Pack completely reimagines Minecraft’s villagers by replacing them with stylized female characters, adding a unique and playful twist to your world. It covers all villager professions and biome variants, along with redesigned versions of mobs like zombie villagers, pillagers, witches, and even the elusive illusioner. With five hair variations and updated, cuter […]

Undead Expansion Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Undead Expansion Resource Pack (1.21.1, 1.20.1) – Texture Pack

Undead Expansion Resource Pack breathes new (un)life into Minecraft’s zombie and skeleton mobs by adding over 200 alternate textures. With Optifine enabled, you’ll see a wide range of undead variants tailored to different biomes, enhancing immersion and making encounters feel less repetitive. From eerie desert walkers to tundra-themed skeletons, the diversity keeps gameplay fresh and […]

Regions Unexplored Mod (1.21.1, 1.20.1) – Biome Overhaul
1.21.1forge

Regions Unexplored Mod (1.21.1, 1.20.1) – Biome Overhaul

Regions Unexplored Mod is a biome mod for Minecraft that aims to overhaul the overworld in many ways. With over 60 new biomes, there's a plethora of new views to see. This mod also adds a bunch of new blocks to use including new soils, painted planks, various trees and flora. Features: Introduces lush forests, […]

Hexerei Mod (1.21.1, 1.20.1) – Magical Realm with Unique Equipment
1.21.1forge

Hexerei Mod (1.21.1, 1.20.1) – Magical Realm with Unique Equipment

Hexerei Mod is a magic-themed mod focused on witches. It revamps the vanilla witch, adds numerous witch-related items, and enhances the witch's dwelling. You'll be able to create various magical and mystical items, fly on a broomstick, and create different resources using a cauldron, blood, and magic. The mod slightly alters the swamp biome, introducing […]

Project: Vibrant Journeys Mod (1.21.4, 1.20.1) – A Whole New Land
1.21.4forge

Project: Vibrant Journeys Mod (1.21.4, 1.20.1) – A Whole New Land

Project: Vibrant Journeys Mod aims to add some spice to survival without changing its core aspects. Instead of adding tons of new content in one direction, this mod focuses on adding content that overlays the current style of survival. Here, you will not find complex machinery, or magical spells, or a billion biomes, or too […]

Light-footed Cobblemon Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Light-footed Cobblemon Resource Pack (1.21.1, 1.20.1) – Texture Pack

Light-footed Cobblemon Resource Pack is a thoughtful quality-of-life addon for Cobblemon that improves compatibility with snowy biomes. By allowing all Cobblemon to walk on top of powder snow instead of sinking or taking damage, it creates a smoother and more immersive experience in cold environments. This simple fix mirrors how vanilla Minecraft handles certain mobs […]

Corail Woodcutter Mod (1.21.1, 1.20.1) – A Sawmill for Wooden Recipes
1.21.1fabric

Corail Woodcutter Mod (1.21.1, 1.20.1) – A Sawmill for Wooden Recipes

Corail Woodcutter Mod is simply a sawmill for wooden recipes similar to the StoneCutter, with support for Biomes O' Plenty & The Midnight. Features: Provides a sawmill acting like a stonecutter but for wooden planks/logs. The sawmill exists in 6 models (one for each vanilla variant of planks) and will adapt itself to your resource […]

Oblivion Mod (1.21.1) – Explore New World
1.21.1fabric

Oblivion Mod (1.21.1) – Explore New World

Oblivion Mod is a Minecraft mod that introduces a new custom dimension designed to challenge and intrigue players. This mod serves as a dimensional expansion featuring new biomes, blocks, and unique world-generation mechanics. Features: Access the Oblivion dimension through a portal, distinct from vanilla or other modded dimensions. Create a portal to go to the […]

Traveler's Titles Mod (1.21.4, 1.20.1) – Indicate The Biomes or Dimensions We Access
1.21.4forge

Traveler's Titles Mod (1.21.4, 1.20.1) – Indicate The Biomes or Dimensions We Access

Traveler's Titles Mod is a mod that adds an aesthetic feature frequently seen in RPG titles. This feature involves displaying a title on the game screen that shows the name of the dimension or biome we’ve just entered. This feature will not only work with Minecraft’s default biomes and dimensions but also with biomes or […]

Slime Utils Mod (1.21.1, 1.20.6) – Find Slime Chunks & Alter Chunk Generation
1.21.1fabric

Slime Utils Mod (1.21.1, 1.20.6) – Find Slime Chunks & Alter Chunk Generation

Slimes are unique mobs that spawn only under certain conditions. Unless the biome you are in is a swamp biome, slime mobs will only spawn if the chunk is a predetermined slime chunk. Slime Utils Mod is here with some features that will allow you to find slime chunks. This is done using the /slime […]

Forest X Reborn Mod (1.21.5, 1.20.1) – Nature Gets A Glow-Up
1.21.5forge

Forest X Reborn Mod (1.21.5, 1.20.1) – Nature Gets A Glow-Up

Forest X Reborn Mod introduses new life into Minecraft’s natural world. It introduces realistic biomes, exotic trees like mulberry and eucalyptus, new plants, mushrooms, and berries. Players can collect, cook, and even ferment grapes into wine using new tools like the fermentation barrel. Features: Adds new biomes with detailed nature Exotic trees: mulberry, eucalyptus, palm, […]

GregTech Revival Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

GregTech Revival Resource Pack (1.21.1, 1.20.1) – Texture Pack

GregTech Revival Resource Pack aims to offer a significant visual upgrade for both GregTechCEu Modern and GregTech CE Unofficial mods. By boosting the texture resolution to 32×32, it adds a layer of realism and detail that better matches the complex and industrial nature of the mod. Machines, tools, and components look sharper and more defined, […]

The Conjurer Mod (1.21.4, 1.20.1) – Vindicator Boss
1.21.4forge

The Conjurer Mod (1.21.4, 1.20.1) – Vindicator Boss

The Conjurer Mod is a mod that adds a new structure to terrain generation: the theater. This theater will naturally generate in the Roofed Forest biome, and inside it, you'll only find hostile entities. Specifically, what you'll encounter here are Illagers. This structure is similar to Illager mansions. The theaters consist of several rooms, and […]

Nature's Aura Mod (1.21.1, 1.20.1) – Using Aura for Unique Mechanics
1.21.1neoforge

Nature's Aura Mod (1.21.1, 1.20.1) – Using Aura for Unique Mechanics

Nature's Aura Mod is a mod about collecting, using and replenishing the Aura naturally present in the world to create useful devices and unique mechanics. Drain and replenish the Aura that is naturally present everywhere in the world and use it to your advantage: Create magical blocks and natural items to help you with your […]

Colorful Creakings Mod (1.21.4) – Dyed Resins & Creaking Color Variants
1.21.4neoforge

Colorful Creakings Mod (1.21.4) – Dyed Resins & Creaking Color Variants

Creakings are one of the most recently added mobs into the game. They can be found spawning in pale garden biomes. By default, these mobs have pale orange glowing eyes. Colorful Creakings Mod, as the name suggests, is here to add more color variants to the creaking mob. This mod adds a collection of new […]

HiddenMons Mod (1.21.1) – Introduces Numerous Pokémon
1.21.1fabric

HiddenMons Mod (1.21.1) – Introduces Numerous Pokémon

HiddenMons Mod enhances the Cobblemon experience by introducing Pokémon not currently available in the base mod. This add-on features original designs and animations inspired by the Pokémon universe. These newly implemented Pokémon spawn in specific biomes and under certain conditions, expanding the diversity of Pokémon encounters within Cobblemon gameplay. Features: Adds Togepi, Togetic, and Togekiss, […]

In Control Mod (1.21.1, 1.20.1) – Be In Control of Mob Spawns
1.21.1forge

In Control Mod (1.21.1, 1.20.1) – Be In Control of Mob Spawns

In Control Mod makes you in control of mob spawning. It features two kinds of rule files. One is for blocking spawns of certain mobs under certain conditions (conditions like the current weather, time of the day, biome, block, light level, mod, minimum height, distance to spawn, …) and it also allows you to alter […]

The Twilight Forest Mod (1.21.1, 1.20.1) – A New World Built Around Fighting
1.21.1forge

The Twilight Forest Mod (1.21.1, 1.20.1) – A New World Built Around Fighting

For the Latest Minecraft Versions We've developed a brand-new version of The Twilight Forest called Twilight Forest 9minecraft Mod with many new features, improvements, and continuous updates for the latest Minecraft versions. Download it here: https://www.9minecraft.net/twilight-forest-9minecraft-mod/ The Twilight Forest Mod adds a giant new dimension filled with mystery and adventure. This realm is always in […]

EMD's Better Trees Data Pack (1.21.5, 1.20.1) – Improving Overworld Trees
1.21.5

EMD's Better Trees Data Pack (1.21.5, 1.20.1) – Improving Overworld Trees

EMD's Better Trees Data Pack is a simple worldgen data pack that improves the way that overworld trees generate. This data pack simply make your world better, more beautiful forest, and enhance your vanilla experience! Enjoy playing this data pack! Features: Affected Trees: Oak trees, Fancy variant, Swamp variant, Birch trees, Tall variant, Spruce trees, […]

Saturated Data Pack (1.21.4, 1.20.1) – Epic Moss Basin
1.21.4

Saturated Data Pack (1.21.4, 1.20.1) – Epic Moss Basin

Saturated Data Pack introduces a new magical dimension and an additional void world. In the new dimension, you can explore over ten different biomes, such as the Enchanted Forest, Bone Caves, and Glacial Peaks. The void world serves as a bridge between dimensions, and to access it, you’ll need to get stuck in falling sand […]

Create Picky Wheels Mod (1.21.1, 1.20.1) – Balance Your Power Systems
1.21.1neoforge

Create Picky Wheels Mod (1.21.1, 1.20.1) – Balance Your Power Systems

Create Picky Wheels Mod is a gameplay balancing addon for the Create mod that alters the behavior of waterwheels and windmills. Waterwheels now only function if placed within a river biome and submerged in a large body of water, while windmills require open space around them and only generate power in the Overworld. Features: Modifies […]