HomeJava1.21

Minecraft Java 1.21 Mods

Browse 335 free mods for Minecraft Java 1.21 — popular picks include JujutsuCraft Geto CT Storage Optimization Patch, Chippa256 shader, Function Compiler.

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JujutsuCraft Geto CT Storage Optimization Patch
1.21.1forge

JujutsuCraft Geto CT Storage Optimization Patch

Performance fixes for Geto cursed spirit storage in JujutsuCraft.

12kdownloads
Chippa256 shader
1.0

Chippa256 shader

Give your Minecraft that retro 256-color look with low-res pixelation options!

12kdownloads
Function Compiler
1.21.4fabric

Function Compiler

This mod allows the server to automatically compile most of the functions to Java bytecode

11kdownloads
Mathematically Unplayable
1.16

Mathematically Unplayable

An experimental shaderpack that dramatically distorts Minecraft's visuals using mathematical functions. Features dynamic psychedelic post-processing.

11kdownloads
Long Books
1.21.11fabric

Long Books

Books have been upgraded to support more pages and longer titles!

11kdownloads
minecraft CRT
1.18.2

minecraft CRT

A simple customizable CRT shader with a sprinkle of analog horror.

10kdownloads
Dithering3D
rd-132211

Dithering3D

Pixelated, retro, Dark Fantasy, gradient, B&W, RGB and more

10kdownloads
Cactus Dupe
1.21.5fabric

Cactus Dupe

Throw items into a cactus to dupe them!

9.8kdownloads
silly shaders
1.20

silly shaders

very silly shaders

9.5kdownloads
Dither
1.20

Dither

Stylized minecraft shaderpack that aims to recreate the look of hand-drawn pixel / retro art with fast performance

9.1kdownloads
Those Were The Good Days! (TWTGD)
1.18

Those Were The Good Days! (TWTGD)

The Best Performance-Friendly Resource Pack To Bring Back Minecraft's Old Textures!

8.8kdownloads
Redstone Helper
1.21.4fabric

Redstone Helper

Mod which must you to help with redstone!

8.5kdownloads
No Vanilla Advancements
1.19

No Vanilla Advancements

Disable all vanilla advancements.

8.4kdownloads
Moar Bosses
1.21.9

Moar Bosses

Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.

8.3kdownloads
ARG
1.21.1neoforge

ARG

Assembling arg minecraft. scary

8.0kdownloads
SKT's Fast Mangrove Roots
1.19

SKT's Fast Mangrove Roots

add culling and solid textures to mangrove roots, may also give performance improvement

7.6kdownloads
Bridge Guard
1.21.1fabric

Bridge Guard

Helps you with Speed Bridging by preventing falls if you place a block too early or forget to place one entirely.

7.6kdownloads
Dithered Shader
1.17

Dithered Shader

A Minecraft shader with multiple dithering styles to stylize your game!

7.6kdownloads
RITEG-VHS
1.21.11

RITEG-VHS

A RITEG VHS pipeline ported as a shaderpack

7.5kdownloads
Attack-Blocker
1.21.9fabric

Attack-Blocker

A simple mod that let you control which players you can attack and which not ⚔️❌

6.7kdownloads
Am I Drunk?
1.7.2

Am I Drunk?

Cursed drunk-like distortion shader.

6.5kdownloads
Death Sound Plugin | UnstableSMP | Orbital Strikes
1.21

Death Sound Plugin | UnstableSMP | Orbital Strikes

Death Sound Plugin like on the UnstableSMP with many features like Orbital Strikes and more

6.0kdownloads
Bad WiFi
1.7.3

Bad WiFi

Simulates unstable internet streaming artifacts.

5.8kdownloads
Full Paths
1.21.4fabric

Full Paths

Dirt Paths now take up a full block!

5.7kdownloads
Hardcore PLUS
1.21.4fabric

Hardcore PLUS

Experience a more immersive, challenging, and scary hardcore mode with this vanilla + modpack

5.7kdownloads
Horror OneBlock
1.21.1neoforge

Horror OneBlock

OneBlock survival with horror mobs, dwellers, guns, shaders, and Create automation.

5.5kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.1kdownloads
NoMoreGhost
1.21.11fabric

NoMoreGhost

Reduces ghost totems, shield desync, and ghost healing pots.

5.0kdownloads
NOIR
1.12

NOIR

A cinematic black and white shader.

4.9kdownloads
BTW - Ore Breaking
1.21.1neoforge

BTW - Ore Breaking

An ore mining overhaul to increase mining experience

4.7kdownloads
Zombie Horror Shader
1.17

Zombie Horror Shader

A desaturated, horror-themed shader pack for OptiFine and Iris. Features atmospheric film-grain night lighting and automatically makes the eyes of zombies, creepers, and animals glow blood-red without needing external resource packs.

4.4kdownloads
I Am Not Okay
1.7.3

I Am Not Okay

Dynamic intoxication visual effects shader.

4.1kdownloads
anti chest esp donut smp
1.19

anti chest esp donut smp

DonutAntiChestESP Advanced Chest Visibility Protection for Minecraft Servers

3.8kdownloads
Freddy Fazbear | Warden Replacement
1.21

Freddy Fazbear | Warden Replacement

Replaces the Warden with Freddy Fazbear (Requires Optifine or Entity Model and Texture Features)

3.6kdownloads
Lost Signal VHS
1.18.2

Lost Signal VHS

Authentic Backrooms VHS shader with analog fog, YIQ processing, true interlacing, tracking damage, and the critical v1.8.1 Iris packaging fix.

3.6kdownloads
Pixel-Tree
1.21.5

Pixel-Tree

This texture-pack is a 32×32 resource pack that provides a stylish experience to anyone who's simply tired of the old Minecraft textures. - This back doesn't require Optifine. - Do not repost without permission.

3.5kdownloads