Minecraft Java 1.21 Mods
Browse 212 free mods for Minecraft Java 1.21 — popular picks include Emissive Particles, Ascii Text Renderer, Dithered Shader.
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Emissive Particles
An RP that makes all particles emissive
Ascii Text Renderer
Renders your Minecraft world as Ascii Art in Vanilla Minecraft

Dithered Shader
A Minecraft shader with multiple dithering styles to stylize your game!
Brightness Aura Classic
Allows the player to have max 1500% brightness instead of vanilla 100%, eliminating the darkness.
RITEG-VHS
A RITEG VHS pipeline ported as a shaderpack
Halloween Pumpkin Heads
No Pumpkin Blur Overlays are removed with this pack. Make sure everyone has a pumpkin on their head for Halloween!
No Outline
Removes all outlines in your world
Glass Normals
A resource pack with high resolution glass normals to use with shaders
Horror OneBlock
OneBlock survival with horror mobs, dwellers, guns, shaders, and Create automation.
Am I Drunk?
Cursed drunk-like distortion shader.
Bar HUD
Changes HUD to use bars.
Image Shader
Only use a shader to display an image on your screen~
Biome Shader Switch
🗸 Switches shaders based on the player's current biome. Supports Iris & Oculus shader packs with per-biome, per-height, and fallback shader rules. Auto-detects all biomes including modded ones — zero manual config needed.
Paranoia Shader
A simple shader that add a few skyboxes based on references
Retrofy
Retrofy is a shader that aims to kinda get a retro feel.
Colorful Containers - Glass Edition
The most cursed version of Colorful Containers. A must-have for pvpers!
VHS Horror Shaders
Vhs Horror Shaders. That's it
NOIR
A cinematic black and white shader.
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.
3D Displacement Test Shader
Screen Space Displacement as a replacement for POM. As a result blocks are re-rendered per-pixel as 3D objects. Experimental.
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.
I Am Not Okay
Dynamic intoxication visual effects shader.
Green enchanted Glint
My first project that changes enchanted glint on green enchanted glint on armor and tools :)
Lego Studs over Experience Orbs
Animated spinny guys!
Color Palette Switcher
Allows you to pick your own palette for the game to use. Good for taking pretty screenshots. Color palette changer.
Colorblind Swap
Time-varying color perception remapping shader.
Cripe
Visual corruption and display degradation shader.
Through the Lens
This is a modpack containing mods and shaders to make Minecraft look like found footage while not being horror and still keeping vanilla look.
Ultimate Nausea
This shader makes far-away objects appear to spin.
360W
360 Camera-inspired aerial camera simulation shader.
Mode 13h: MS-DOSify!
An Iris shader pack for Minecraft that recreates the look of late-90s MS-DOS 3D graphics with deliberate retro accuracy.
Dreadlight – Horror Atmosphere Shader
A horror atmosphere shader for Minecraft (Iris & OptiFine): crushing darkness, creeping fog, film grain and flicker. Fully adjustable in-game.
Globed
Cursed shader that globifies your game

bit glyphs
ascii post processing procedural shader
Lunacy Shaders
See the world through the eyes of a lunatic.
Aberration
A PvP shader that focuses on PvP visuals (specifically crystal PvP) rather then cinematics.