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Minecraft Java 1.21 Mods

Browse 866 free mods for Minecraft Java 1.21 — popular picks include Elemental Blocks, Ink Blocks, The Girls - A Lite Cozy Modpack.

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Elemental Blocks
1.21.8neoforge

Elemental Blocks

A massive magic mod adding over 200+ spells, upgrades , dozens of weapons and crafting recipes.

1.5kdownloads
Ink Blocks
1.21.1neoforge

Ink Blocks

This mod adds the bendy games to Minecraft.

1.3kdownloads
The Girls - A Lite Cozy Modpack
1.21.11fabric

The Girls - A Lite Cozy Modpack

A small cozy pack to share with friends! Explore new biomes, catch cute animals, and build your cozy home.

1.2kdownloads
Vristman Chaos
1.21.1neoforge

Vristman Chaos

Complete overhaul with new Mobs, Songs, and a new form of Progression.

1.2kdownloads
More Warden
1.21.1neoforge

More Warden

this mod add 7 new wardens and new dimension

1.1kdownloads
JustSpace
1.21.1neoforge

JustSpace

A mod that adds what it is called. Just space. A new space dimension with mysteries to reveal and lots of asteroids to mine.

1.1kdownloads
SmallAquatic's Meat Mayhem
1.21.4neoforge

SmallAquatic's Meat Mayhem

Can you beat this meat mod?

1.1kdownloads
What If...
1.21.1fabric

What If...

Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.

1.0kdownloads
Desolation: Reburn (Forge)
1.21neoforge

Desolation: Reburn (Forge)

Adds the charred forest, a spoooooooky biome to the Overworld!

1.0kdownloads
Snowy's Skylands
1.21.1neoforge

Snowy's Skylands

Adds 2 new dimensions, The Skyland and the Nightland, and lots of new friendly and hostile creatures

967downloads
Veil of Wraithspire
1.21.1neoforge

Veil of Wraithspire

Add a dark, elegant twist to your world with gothic architecture, eerie atmospheres, and haunting details. Perfect for fans of dark fantasy and moody aesthetics.

954downloads
Armor Series - Vanilla
1.21.1neoforge

Armor Series - Vanilla

Cosmetic armors that are inspired from in game mobs or biomes

953downloads
update aquatic part 2
1.21forge

update aquatic part 2

this mod overhauls the entire ocean biome :}

883downloads
Green Elephant Cave Additions [ GECA ]  [Horror, funny ambient]
1.21.1neoforge

Green Elephant Cave Additions [ GECA ] [Horror, funny ambient]

Adds Green Elephant sounds to caves

882downloads
Realistic_Burnt_Forest
1.21.1neoforge

Realistic_Burnt_Forest

This mod adds biomes, special mobs, items, recipes, blocks, everything IMMERSE YOURSELF IN A REALISTIC BURNING FOREST WITH HIGH RESOLUTION TEXTURES

870downloads
Above The Roof
1.21.1neoforge

Above The Roof

Makes The Nether Roof a place you actually want to go.

792downloads
Riders of Dragons
1.21.1neoforge

Riders of Dragons

Have dragons in your world that you are able to tame, ride, explore, and battle with.

741downloads
MesozoicWeapons
1.20.1forge

MesozoicWeapons

added Weapons,Mobs,Biomes/dimensions/

649downloads
glaggles and enphosians
1.21.8neoforge

glaggles and enphosians

an unfinished mod of my favourite fandom, it adds 1 structure, 1 food, 5 mobs, 2 weapons, 13 blocks, 2 foods and 2 biomes

605downloads
LTERAcraft
1.21.1neoforge

LTERAcraft

A Mod that Adds a Part of Terraria and Many New Things. Languages: Ukrainian, English, German. Mod by neodash (+ ideas by: Ukr4ebyrek, Ajji and Duckyduck).

594downloads
Whispers Behind You: The Lost Buildings
1.21forge

Whispers Behind You: The Lost Buildings

A simulation left corrupted. A shadow born from a NullPointerException. Keep your torches bright, listen to the footsteps, and try not to let the system delete your data.

568downloads
My Fabric PVP
1.21.1fabric

My Fabric PVP

Is it PVP? Is it Building? Its Combined!

535downloads
IlReameDell'Onironauta
1.21.1neoforge

IlReameDell'Onironauta

Find the radio tower and complete the portal to unlock the new dimension

509downloads
KurczeSMP
1.21.1neoforge

KurczeSMP

KurczeSMP is a QSMP-style modpack with ~140 mods, combining exploration, RPG systems, magic, create, tech custom biomes and mobs.

329downloads
All Items Plus | Items, Mobs, Biomes, Advancements
1.21spigot

All Items Plus | Items, Mobs, Biomes, Advancements

All Items project also featuring Items, Mobs, Biomes, Advancements

129downloads
Ancient Horizon Rising Mod (1.21.1) – Tame Giant Prehistoric Beasts
1.21.1

Ancient Horizon Rising Mod (1.21.1) – Tame Giant Prehistoric Beasts

Ancient Horizon Rising Mod populates your Minecraft world with huge prehistoric beasts inspired by ancient history. You can encounter fierce predators in frozen biomes, find peaceful plant-eaters across lush lands, and explore deep oceans filled with primal life. The mod lets you feed these creatures their favorite foods to tame them as loyal companions. A […]

Ender Horizon Expand Mod (1.21.8, 1.20.1) – Tame Flying Mounts and Settle
1.21.8

Ender Horizon Expand Mod (1.21.8, 1.20.1) – Tame Flying Mounts and Settle

Ender Horizon Expand Mod overhauls the End dimension with new biomes, mobs, ores, and mechanics. It turns the Ender Dragon battle into a much bigger event with fresh lore and a new title screen. You can explore hostile terrain, tame helpful companions, and craft unique tools to survive the dark void. Features: Reworks the Ender […]

Saffron Timber Heights Mod (26.2, 1.21.1) – Build a Peaceful Haven
1.21.1

Saffron Timber Heights Mod (26.2, 1.21.1) – Build a Peaceful Haven

Saffron Timber Heights Mod introduces a new aspen forest biome filled with golden trees and unique flora. This mod brings a safe space where undead mobs cannot spawn, making it a peaceful habitat for foxes and bees. You can harvest a brand-new type of timber to craft fresh building blocks, doors, and decorations. Along the […]

Sanguine Effigy Ritual Mod (1.21.1) – Survive Dark Cult Horrors
1.21.1

Sanguine Effigy Ritual Mod (1.21.1) – Survive Dark Cult Horrors

Sanguine Effigy Ritual Mod introduces a dark cult plague across your Minecraft world filled with fleshy structures, dangerous monsters, and cursed gear. It populates biomes with mysterious shrines and underground chambers where you can uncover strange secrets. You can find unique weapons, gain special armor abilities, and tame bizarre companions as you explore. Features: Adds […]

Botanical Undead Legions Mod (1.21.1) – Grow Fighting Crops to Defend Your Base
1.21.1

Botanical Undead Legions Mod (1.21.1) – Grow Fighting Crops to Defend Your Base

Botanical Undead Legions Mod brings fighting plants and zombie defense battles from Plants vs Zombies into your Minecraft world. It lets you collect wild botanical items, grow defensive crops, and protect your home against monster attacks. You can explore fresh forests, set up productive garden plots, and unlock living botanical allies with unique combat skills. […]

Completionist Insight Mod (26.2, 1.21.1) – Finish Every Advancement Without Any
1.21.1

Completionist Insight Mod (26.2, 1.21.1) – Finish Every Advancement Without Any

Completionist Insight Mod adds clear progress tracking for major Minecraft advancements. It shows you what biomes you still need to find, which foods you have not tasted, and what mobs are left on your hunting list. With this mod, you can check your checklist directly in-game without guessing what steps you missed. Features: Shows detailed […]

Prismatic Wormhole Voids Mod (1.21.1, 1.20.1) – Travel Through Wormholes
1.21.1

Prismatic Wormhole Voids Mod (1.21.1, 1.20.1) – Travel Through Wormholes

Prismatic Wormhole Voids Mod introduces the Ultra Space dimension into Minecraft alongside five alien biomes. You can travel across dimensions by walking through floating entity wormholes that appear naturally in your world. Each area features distinct landscapes and strange environmental traits using vanilla blocks. The mod runs on its own without needing extra creature mods […]

Biomesque Relics Mod (26.2, 1.21.1) – Raid Dungeons and Loot Towers
1.21.1

Biomesque Relics Mod (26.2, 1.21.1) – Raid Dungeons and Loot Towers

Biomesque Relics Mod populates your world with 26 vanilla-style structures across different biomes. It fills empty lands with watchtowers, hidden dungeons, villager camps, and underground hives. Each location brings custom loot chests and hostile mob spawners to challenge you during your journey. You can also fight forgotten enemies like the Illusioner inside special towers. It […]

Abyssal Horizon Mod (1.21.11, 1.20.1) – Build Underwater Bases in an Oceanic
1.21.11

Abyssal Horizon Mod (1.21.11, 1.20.1) – Build Underwater Bases in an Oceanic

Abyssal Horizon Mod introduces a deep ocean dimension filled with underwater biomes, aquatic creatures, and sunken structures. This mod provides a dedicated aquatic realm where players can build underwater bases, tend submerged farms, and challenge a dangerous sea boss. It includes water-friendly items like waterproof doors, customizable chandeliers, and unique marine minerals. Features: Adds four […]

Wildwood Echoes Mod (26.2, 1.21.11) – See Flocks of Birds and Butterflies
1.21.11

Wildwood Echoes Mod (26.2, 1.21.11) – See Flocks of Birds and Butterflies

Wildwood Echoes Mod fills your Minecraft world with ambient wildlife and small creatures using lightweight particles. You can spot flocks of birds soaring through specific biomes, listen to cicadas buzz in the trees, and see butterflies flutter around flowers. The mod runs entirely on the client side, letting you see ambient nature in singleplayer worlds […]

Hadopelagic Reach Mod (1.21.1, 1.20.1) – Survive Deep Ocean Depths
1.21.1

Hadopelagic Reach Mod (1.21.1, 1.20.1) – Survive Deep Ocean Depths

Hadopelagic Reach Mod transports players into a deep underwater realm filled with dark biomes, dangerous predators, and giant bosses. Players enter this aquatic world by entering a typhoon, encountering extreme water pressure, toxic zones, and hidden chasms. The mod adds tameable sea life, mountable sea creatures, rare crafting ores, and powerful combat gear tailored for […]