Fabric Mods for Minecraft 1.21
Browse 17 free Fabric mods for Minecraft 1.21 — popular picks include Photonics: A raytracing engine, Radiance (Windows), WynnIris.
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Photonics: A raytracing engine
A ray-traced voxel engine with a focus on performance and crisp shadows
Radiance (Windows)
Radiance is rebuilt of Minecraft OpenGL on a Vulkan C++ backend, featuring native Hardware Ray Tracing. Break free from OpenGL limits for Minecraft on Windows.
WynnIris
An Iris fork with built-in Wynncraft shader effects. Renders glint effects, custom skyboxes, translucency, and player emotes directly in the shader pipeline.
Iris Extension
An extension for the Minecraft shader loader Iris with some useful features for shader developers.
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.
Shader Cycler
Add-on to oculus/iris to switch between shaders automatically when entering dimensions (including modded ones) or with just a key-bind
lumaLight
Colorful client-side lighting, outlines, bloom, and a biome-aware cartoon atmosphere without shader packs.
Radiance (Linux)
Radiance is rebuilt of Minecraft OpenGL on a Vulkan C++ backend, featuring native Hardware Ray Tracing. Break free from OpenGL limits for Minecraft on Linux.
Boe's Earth
Blockstates extension for shaders and resourcepacks
JFlashlight
Illuminate your world with a toggleable, photon-forked shader-powered flashlight. Creates a directional beam with 16 colors, volumetric dust, and multiplayer support.
Universal Depth of Field
Native DoF - no shaders required.
Shaders
A client-side Fabric mod that adds customizable animated rainbow and gradient outline effects to Minecraft entities, players, and held items for visual customization.
Simple AA
A lightweight mod that adds FXAA to Fabric minecraft without shaders.
CHAN modpack
Optimization mods for BETTER performance and Iris for shaders. Mods for building blocks and decorations, and more.
GLSL Fog
This makes the fog look INSANE. I used a perlin noise cloud shader i had from a while ago, and used it for fog!
No Player Armor Shadow
Prevents the local player's armor from rendering in first person. Fixes the dynamic lighting in first person while wearing enchanted armor when using certain shaders, such as Rethinking Voxels.
Buildie - Your Ultimate Builder's Toolkit
Buildie is the ultimate toolkit for creative builders. A curated selection of decoration mods (Macaw, Yuushya, Chipped, Cluttered) and essential tools (Axiom, WorldEdit), fully optimized for performance with native Shader support.