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Minecraft Java 1.21 Mods

Browse 8,214 free mods for Minecraft Java 1.21 — popular picks include Ocean Revamp, TheUpsideDown, Travellers of Darkness (UPDATED).

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Ocean Revamp
1.21.11

Ocean Revamp

New ocean biomes to improve your aquatic journeys in vanilla

3.0kdownloads
TheUpsideDown
1.21.1neoforge

TheUpsideDown

A deadly dimension full of mobs and darkness, double mob drops and unique loot. Inspired by Darkhax and the Hunting Dimension from the good ole days!

3.0kdownloads
Travellers of Darkness (UPDATED)
1.21.1neoforge

Travellers of Darkness (UPDATED)

ready to unleash Armageddon

3.0kdownloads
Stekkercraft: Client-side enhancements
1.21.8fabric

Stekkercraft: Client-side enhancements

This modpack enhances your gameplay with performance, cosmetic, and utility mods, without introducing any additional blocks, items, or world generation.

3.0kdownloads
World Expand
1.21fabric

World Expand

Expand your world by completing advancments!

3.0kdownloads
Brecher's Exploration Dimensions
1.21.1fabric

Brecher's Exploration Dimensions

Brecher's Exploration Dimensions adds temporary, resettable duplicate dimensions to Minecraft servers - providing unlimited exploration opportunities, even with World Borders enabled!

3.0kdownloads
DMC's Improvements
1.21.8neoforge

DMC's Improvements

Many quality-of-life features to make your gameplay more fun and rewarding!

3.0kdownloads
Escape the Backrooms
1.21.1fabric

Escape the Backrooms

This mod adds 5 levels of the backrooms! On future updates even more.

3.0kdownloads
The Broken Script (Horror)
1.21.1neoforge

The Broken Script (Horror)

Its just the broken script horror mod with a few optimizations.

3.0kdownloads
Remove Netherite
1.19fabric

Remove Netherite

Gets rid of Netherite completely.

3.0kdownloads
Heards Panic
1.21.8

Heards Panic

Herds panic when one of them gets hit.

3.0kdownloads
Treevamped
1.21.11fabric

Treevamped

A mod that revamps the Overworld Trees, allowing for more room to build and more resources when chopped down

3.0kdownloads
Dungeon Finder
1.21.1fabric

Dungeon Finder

A server side command to locate the nearest spawners to a player!

3.0kdownloads
Miracleforest
1.21.1neoforge

Miracleforest

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

3.0kdownloads
Harry's Food Expansion
1.21.8neoforge

Harry's Food Expansion

A new mod which adds many different foods, and a whole candy dimension.

3.0kdownloads
Physical_structures API
1.21.1neoforge

Physical_structures API

Adds the ability to generate physics structures from Create aeronautics using the API during world generation.

2.9kdownloads
Quality Time - Beautified and Optimized
1.21.10fabric

Quality Time - Beautified and Optimized

Vanilla plus A LOT of visual enhancements and Quality of Life mods. Aiming to make the game prettier and convenient. Client-side and optimized with Distant Horizons <3

2.9kdownloads
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
Blind's Music Discs
1.21.4fabric

Blind's Music Discs

Additional music discs to find out in the world as well as a new type of jukebox to use them on.

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
Technical Dragonrider
1.21.1neoforge

Technical Dragonrider

Ride dragons, master magic, and build powerful machines in a world where fantasy meets technology — craft your ultimate adventure across limitless realms.

2.9kdownloads
Klinbee's Vast Vistas: Otherview
1.20

Klinbee's Vast Vistas: Otherview

Smooth and satisfying worldgen datapack commission for Aulderis.

2.9kdownloads
StructureCraftX
1.21

StructureCraftX

Your plugin for generating custom structures!

2.9kdownloads
Quantum
1.21fabric

Quantum

A multi-world mod for Fabric.

2.9kdownloads
Cold horrors
1.21forge

Cold horrors

In an eternal winter where your biggest fears lurk in the dark and the biting cold kills you try to thrive, but can you?

2.9kdownloads
Cobblemon: Mythical Exploration
1.21.1

Cobblemon: Mythical Exploration

Adds Mythical Pokémon structures to Cobblemon and makes them obtainable. No extra dependencies required.

2.9kdownloads
InstantWorldMirror
1.20.1forge

InstantWorldMirror

Create an instant mirror copy of the current world to safely test, explore, and build without affecting your original save.

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
Geode Mania
1.21.1neoforge

Geode Mania

Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!

2.9kdownloads
Ores and Alloys
1.21

Ores and Alloys

Adds over 12 new types of materials, 17 new armor and tool sets, and completely rework's Minecraft's ore progression!

2.9kdownloads
The Rift
1.21.1neoforge

The Rift

Adds a Stealth dimension with multiple additives to after end game progression!

2.9kdownloads
Global Emeralds
1.21.1neoforge

Global Emeralds

Unlocks Emerald Ore to spawn in all biomes.

2.9kdownloads
Pixelmon Homestead
1.21.1neoforge

Pixelmon Homestead

Pixelmon pack focused on exploration with a ton of cute cozy building options!

2.9kdownloads
Terra-Nova
1.20.1forge

Terra-Nova

Minecraft with bossfights, automation and physics!

2.9kdownloads