Minecraft Java 1.21 Mods
Browse 335 free mods for Minecraft Java 1.21 — popular picks include Insanity Shader, Radium, Hysteria Shaders.
Updated daily
Insanity Shader
A stylized, horror themed Iris shaderpack with high customizability and performance.
Radium
Radium is an Unofficial Fork of CaffeineMC's "Lithium", made to work with Forge Mod Loader.
Hysteria Shaders
Atmospheric, highly customizable horror shaderpack, successor of Insanity Shader.
Improved Pillager Outpost
The "Improved Pillager Outpost" Datapack revamps the standard Minecraft Pillager Outpost into a challenging, multi-level tower. This overhaul adds detailed architecture, tougher enemies, and exclusive loot, creating a more immersive and rewarding experie
SmoothMenu Refabricated
Removes the main menu FPS limit. Fabric port of SmoothMenu by BookerCatch
Sodium Extra Information
A Sodium Extra addon that adds more in-game information.
Cursed Fog
Creepy, tense shaders that will tickle your nerves.
CTR VCR
Retro stylized shader that brings artifacts from CRT and VCR / VHS
Flashlight Shader
Iris shader that gives you a flashlight!
CICADA Cape Fix
Removes the ugly 'pls update cicada' cape from older versions of CICADA
Methane
Explosive optimisations for your favourite block game.
Curtain
A Forge mod like fabric-carpet
Torturable Healthbars
vannilla-ish healthbars on the entity itself, look for its health conditions. Works only with Optifine or ETF+EMF
PSX Shader
Simple shader, the goal is to imitate the look of the PSX Games.
The Broken Script Enhanced
A horror modpack based around The Broken Script, adding small mods to aid it in giving you a sense of fear and paranoia.
[BTB] Back To Basics
BTB is a shader that emulates the looks of old retro PS1 3D games.
Ice And Fire Smithing
Progression-based smithing for the Ice And Fire mod.
[SCM] Simply Create Model Mod
(Mod ver.) Optimise many Create mod models
Fps Booster Command
This mod adds 1 simple command /fps max which increases your fps by a ton

InventoryTweak
Fast and easy inventory sorter
Zombie Horsemen
Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.
Bad Apple Shaders
[🚨WORKS ON EVERYTHING🚨] | A shader that makes the game render similarly to "Bad Apple".
Acid Shaders 1.5
This is a minecraft shader pack that is a fan-made remaster of acid shaders, It has several different modes, and has a fast way to make your own custom deformation fomulas.
Item Components
Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
I Know What I'm Doing!
A simple mod to disable the pesky prompt that appears when loading into a world using experimental features Will not be updated
B&W Shader
A shader that completely turns your game into a black and white version
HyShaders - Horror Edition
A lightweight horror shader - dark, gritty & atmospheric, while retaining Minecraft's pixel aesthetic

Crusher
A shader that does the exact opposite of most other shaders
Incendium Translation Fix
Fixed the incorrect translation keys for some loot items in Incendium's structures, and also resolved critical bugs related to Sentry's Wrath and Firestorm.
Cursed Shader (Metamorphopsia)
Somewhat similar to the “Metamorphopsia” effect
PVP ZeroX
A shader that visually assists in PVP!
PSX-Core Shader
A PSX shader with affine texture mapping, dithering, vertex snapping and more!
Sinus Shader - Sine Wave
A Shader that renders Minecraft in a Sine Wave Function. Looks very cursed, why would you want that? Customizable frequency and attitude. Have fun with the motion sickness...
Hex's Default Shaders Rewrite
An shader made for myself! Semi-Realistic Style. (Hex Vanilla Shaders for og ppl)
Miasma
Miasma - Cel-shading shader that transforms Minecraft into a toxic, mesmerizing planet, inspired by the iconic style of Borderlands.