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Minecraft Java 1.21 Mods

Browse 24 free mods for Minecraft Java 1.21 — popular picks include NeoSync, Miasma, Aesthetic Shelving.

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NeoSync
1.21.1neoforge

NeoSync

Inspired by the original Sync mod, NeoSync lets you clone yourself into shells each with its own inventory, XP, and gamemode and swap minds between them across time and space.

140kdownloads
Miasma
1.8.9

Miasma

Miasma - Cel-shading shader that transforms Minecraft into a toxic, mesmerizing planet, inspired by the iconic style of Borderlands.

35kdownloads
Aesthetic Shelving
1.21.1neoforge

Aesthetic Shelving

Add beautiful, functional wooden shelves to Minecraft! Display items, decorate interiors, and organize your space with style using Aesthetic Shelving.

21kdownloads
Nox's Glinting Sun
1.8

Nox's Glinting Sun

A bright, star-shaped sun texture to shine over your mystical fantasy and surreal space age builds!

1.6kdownloads
Aurora Astral
1.21

Aurora Astral

A cosmic-fantasy shader pack featuring animated astral rifts, a colossal planet, and an evolving galactic sky.

1.4kdownloads
Torrezx-Rocket boost
1.21.4

Torrezx-Rocket boost

push yourself in style

725downloads
Galaxy shader
1.21.11

Galaxy shader

A simple shader which changes all blocks universally to display a galaxy/starry night, and gives all entities a golden glow

698downloads
Astral Arise RP
1.21.1neoforge

Astral Arise RP

A Space meets fantasy modpack for the FIUTIU smp.

616downloads
Laicaps
1.21.1neoforge

Laicaps

[Alpha] A fantasy space exploration mod - for neoforge 1.21.1

477downloads
Create: Celestial Mechanics
1.21.1neoforge

Create: Celestial Mechanics

Launch yourself into space with the Create mod!

62downloads
Only Auto-jump!
1.21.8fabric

Only Auto-jump!

deletes your ability to jump by yourself using Space

51downloads
Operation: Starcleave Mod (1.21.1, 1.20.4) – Terraform The Cosmos From Your Backyard
1.21.1fabric

Operation: Starcleave Mod (1.21.1, 1.20.4) – Terraform The Cosmos From Your Backyard

Operation: Starcleave Mod lets you unite Earth with the Heavens by triggering surreal, quasi-natural disasters that transform your world into a Celestial Landscape. It’s like a dimension mod but without the dimension. Instead, you reshape the overworld itself through cosmic chaos. Features: Starcleaver Golems crafted with a Netherite Pumpkin and Crying Obsidian, then fueled with […]

Cosmos Library Mod (1.21.1, 1.20.1) – Dependency for The Cosmos Mod Series
1.21.1neoforge

Cosmos Library Mod (1.21.1, 1.20.1) – Dependency for The Cosmos Mod Series

Cosmos Library Mod is a collection of helper functions designed to make creating Minecraft mods quicker. It doesn't add any new features to the game itself. Instead, it serves as a base for other mods, allowing developers to avoid duplicating common code. This mod is part of The Cosmos Series by TheCosmicNebula and is required […]

Fox's Handheld Cannon Mod (1.21.4, 1.20.1) – A Fun Mix Of Mobility And Explosion
1.21.4forge

Fox's Handheld Cannon Mod (1.21.4, 1.20.1) – A Fun Mix Of Mobility And Explosion

Fox's Handheld Cannon Mod introduces a new item that allows players to perform rocket jumps and deal explosive damage in Minecraft. Each ammo type provides a different effect: gunpowder launches you backward, TNT sends explosives flying, and fire charges launch explosive fireballs. Features: Rocket Jump Mechanic: Launch yourself into the air using gunpowder, great for […]

Better Ender Dragon Remastered Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Better Ender Dragon Remastered Resource Pack (1.21.1, 1.20.1) – Texture Pack

Better Ender Dragon Remastered Resource Pack reimagines and enhances the classic Ender Dragon in Minecraft, giving it a more detailed and imaginative appearance. The pack offers a variety of models, blending elements of sci-fi and fantasy to create unique versions of the dragon. Some designs are reminiscent of futuristic spaceships, military jet fighters, or even […]

Kal's Grimdark Sky Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Kal's Grimdark Sky Resource Pack (1.21.1, 1.20.1) – Texture Pack

Kal's Grimdark Sky Resource Pack, similar to its name, was created drawing inspiration from some of the author's favorite dark fantasy worlds. It mainly includes a completely custom starfield, pair of exo-planets, sun, chaos moon, shooting stars, and multiple cloud layers to enhance the appearance of your Java Minecraft experience. With this pack installed, your […]

Qrafty's Mushroom Villages Mod (1.21.1, 1.20.6) – Adds Life To Mushroom Fields Biome
1.21.1fabric

Qrafty's Mushroom Villages Mod (1.21.1, 1.20.6) – Adds Life To Mushroom Fields Biome

Mushroom fields are one of the rarest biomes in the game. But other than the unique gray appearance and fungi trees, the biome itself does not have much to offer. Most of the land is empty space with nothing of interest to most players. But not anymore! Qrafty's Mushroom Villages Mod is here to add life […]

Shiny's Endergrowth Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Shiny's Endergrowth Resource Pack (1.21.1, 1.20.1) – Texture Pack

Shiny's Endergrowth Resource Pack simply makes the end look extremely overgrown, with a space and purple-themed look. Specifically, this slight pack allows you to immerse yourself in a world of vibrant colors, ethereal plants, and captivating glow, as you discover the beauty hidden within the Ender. Moreover, from glow-infused armor to luminous weapons, it brings […]

Aetheria Shaders
1.21

Aetheria Shaders

Aetheria Shaders is a gorgeous fantasy modification of Complementary Reimagined. Features custom dimension atmospheres, glowing teal water, galaxy-themed Nether portals, flowing molten lava, and a volumetric End tornado. High performance guaranteed.

59kdownloads
PolyDecorations Mod (26.2, 1.21.1) – Wooden Benches, Shelves, Signposts and Braziers
1.21.1

PolyDecorations Mod (26.2, 1.21.1) – Wooden Benches, Shelves, Signposts and Braziers

PolyDecorations Mod adds fun and functional decorations to Minecraft, making it easy to customize worlds with benches, shelves, signposts, and braziers. This mod works server-side with Fabric and Quilt, so friends can enjoy it without installing mods on their own devices. Perfect for creating inviting spaces, from parks with benches to homes with decorative shelves. […]

Expansion Of Border Mod (26.2, 1.21.1) – Limited World Access
1.21.1

Expansion Of Border Mod (26.2, 1.21.1) – Limited World Access

Expansion Of Border Mod introduces a fun way of progressing through your survival world. The mod basically introduces a system where you are limited infinite access to your world. When you create a world with this mod installed, you will find yourself stuck in a 3×3 space. When you perform actions that gain your experience […]

Firework Frenzy Mod (1.21.1, 1.20.1) – Rebalancing The Firework Crossbow
1.21.1

Firework Frenzy Mod (1.21.1, 1.20.1) – Rebalancing The Firework Crossbow

Firework Frenzy Mod is an overhaul of how Firework Rockets and the Crossbow interact in the game. The mod changes how Firework Rockets work, making them more versatile and fun to use. It improves how the Crossbow utilizes Firework Rockets, adding new mechanics and effects. Self-damage from Firework Rockets no longer grants invincibility frames, adding […]

Selectable Painting Mod (1.21.11, 1.20.1) – Customize Painting Parameters Yourself
1.21.11

Selectable Painting Mod (1.21.11, 1.20.1) – Customize Painting Parameters Yourself

Selectable Painting Mod adds the Selectable Painting, with which the painting to be placed can be selected. Using Shift + Right-Click lets you choose the size, while Right-Clicking with the cursor pointed at the sky lets you choose the type. If you try to place a painting on a block without enough space, you will […]

Craftoria Modpack (1.21.1, 1.21) – Immersive Fantasy Landscape
1.21.1

Craftoria Modpack (1.21.1, 1.21) – Immersive Fantasy Landscape

Craftoria Modpack offers a magical and technologically advanced adventure for Minecraft players. Dive into an immersive fantasy landscape filled with enchanting ambient sounds that make the world come alive. Explore new dimensions and planets, each brimming with unique challenges and treasures. With a perfect blend of magic and technology, Craftoria allows you to cast spells […]