Minecraft Java 1.21 Mods
Browse 937 free mods for Minecraft Java 1.21 — popular picks include msf, Aetheria Shaders, Quanta Shader.
Updated daily
msf
Lightweight Minecraft shader creating a smooth blue iris glow with subtle pulsing, prettier and more performance-friendly than BSL.
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.
Quanta Shader
Fast, beautiful Minecraft visuals. Soft shadows, dynamic clouds, reflective water and rich skies, optimized for high FPS gameplay.
Create Essentials | Better Experience with Create 6.0 and Addons
Create, Optimization and Shaders addons only!
BoostedCraft – Performance, FPS Boost & Shaders
Would you like to experience Minecraft with stunning shaders and improved performance? With BoostedCraft Shaders & Performance, you'll enjoy breathtaking graphics, advanced optimization, and smoother gameplay for limitless exploration.
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.
RealisticRemake
A lightweight realistic shader with soft mist, sun shadows, god rays, and swaying leaves — built for smooth performance on modest GPUs.
RG Shader | A visual shader
Best Visual Pack for Java ! . waving leaves/water, smooth lighting , Better & no lag on low-end devices. Boost visuals without hurting performance!
Rainbow Enchantments Glints
Rainbow Enchantment Glint replaces the default enchantment glow with a vibrant, animated rainbow effect. Works on all enchanted items, fully shader-friendly, and has no performance impact. Brighten up your gear with a stunning multicolor shine! 🌈✨
Optimization Ultra
This modpack consists of tons of mods, resource packs, and shaders for optimization, and beauty client sided tweaks, QOL things, and cutting edge graphics.
FPS Lovers 2
This is a modpack focused on FPS, as it adds in mods such as Embeddium, Ferrite Core, ModernFix, EVEN OCULUS LIGHTWEIGHT SHADERS!!
Epic Shaders Good Performance
This all-in-one performance pack on Modrinth combines the most effective FPS mods into one streamlined package.
SpectraDrox Ultra Shaders
High-performance shader pack offering clean visuals, vibrant tones, and optimized FPS.
Hearthglow Cottagecore Shaders (Cozy )
Hearthglow is a cottagecore shader for Minecraft (Iris & OptiFine): warm ambient light, soft glow, pastel tones. No other shader is built specifically for the cozy aesthetic.
Lightweight Lighting
Lightweight Lighting is a performance-focused Minecraft shader pack designed specifically for low-end "potato" PCs and laptops. this pack selectively overhauls Minecraft's rendering engine to deliver high-quality visuals without dropping frames.
BetterMon - A Better Adventure [Cobblemon]
The One and Only Cobblemon Modpack | All 1025 Pokémon Supported | Badges | Optimized Biomes & Structures | Cobblemon-Style Music | Shaders | Optimized
FeelsBHaddMan's Client-Side Favorites
A Fork of the Fabulously Optimized Modpack with a sprinkling of QoL improvements, HUD enhancements, verbose tooltips, shaders, farther renders, animated entities, world and mini map, and many more!
CleanCraft by ACUL
CleanCraft is a lightweight Vanilla+ Fabric modpack focused on performance, visuals, and quality-of-life. Featuring Sodium, shaders, Xaero’s map, Tom’s Storage, and more—it's perfect for builders, explorers, and smooth multiplayer.
TheHolShader Shader
A realism-focused shaderpack with dynamic shadows, animated water, volumetric god rays, drifting clouds, and full in-game customization — built for OptiFine and Iris.
Asylum Visuals & Quality of Life Pack
A visually-enhanced pack focused on shaders and performance-boosting QoL mods for solo play and multiplayer servers.
CozyCorners
A warm, comfy, performance-boosted vanilla+ experience. Enjoy a beautifully enhanced world with shaders, animations, soundscapes, and quality-of-life features — all while keeping Minecraft’s core gameplay intact.
Vantage – PvP Optimized Shader
A PvP-optimized Minecraft shader (Iris & OptiFine): lifted shadows, sharpened image, vivid cinematic tones — see every enemy, look great doing it.
Client Pack Lite
A Client Side pack with shaders, sodium, and zoom for playing on realms/servers
Better FPS Remake
Better FPS Remake is a lightweight Minecraft optimization modpack that boosts FPS, reduces lag, improves stability, includes built-in shaders, and features easy multiplayer through e4mc for a smoother experience.
Ray Of Lighting
Ray of Lighting is a performance-focused Minecraft modpack designed for client-side optimization. It includes quality-of-life features like a minimap, Roughly Enough Items (REI), and shaders.
InfinityProject
InfinityCraft is a premium Minecraft modpack that blends limitless adventure, cinematic shaders, and magical progression into one vibrant, high-performance sandbox experience.
Queso Pack
Queso Pack is a QSMP 2-inspired modpack blending Create automation, overhauled exploration, and Farmer's Delight cooking with stunning visuals via Iris shaders and Distant Horizons — all optimised for smooth, social multiplayer fun.
AuraBound Shaders
A lightweight shader pack designed to boost performance while improving shadows and lighting.
Vanilla Camera - Focus,CT &
A lightweight shader pack for Iris Shaders that preserves. The vanilla look while adding camera-style post-processing effects such as exposure, color temperature, saturation, and depth of field.
IR Lights Mod (1.21.11, 1.20.1) – Illuminate Your Builds with Cinematic Studio
IR Lights Mod brings a real-time light editor directly into your game world. This mod lets you place point lights and spotlights with real shadows, fog beams, and custom projector shapes through Iris shaders. You can adjust colors, brightness, and angles on the fly to illuminate your builds or film cinematic videos. Features: Light Editor: […]
Epic Shaders Modpack (26.2, 1.21.1) – Amazing Beauty of Minecraft
Epic Shaders Modpack is a vanilla themed modpack with lots of shaders & some quality of life mods. Get ready to change your Minecraft experience forever. Features: Latest update: Enjoy the latest update with some added quality of life mods! Performance: Thanks to Sodium and other performance enhancing mods. Iris Shaders: The pack features a […]
Monocle Mod (1.21.11, 1.21.1) – Run Beautiful Shaders Alongside Embeddium
Monocle Mod extends Iris with the ability to run shaders while using Embeddium. It links these two popular tools together so players on NeoForge get beautiful lighting and shadows. You need both base mods installed for this addition to work correctly. Features: Lets you turn on shader packs when playing with the Embeddium mod. Connects […]
WynnIris Mod (1.21.11) – Play Wynncraft with Shaders Without Breaking Custom
WynnIris Mod extends Iris Shaders with native support for Wynncraft visual effects. It renders custom skyboxes, weapon glints, and player emotes directly through your active shader pack. This mod acts as a direct replacement for the standard shader loader, allowing you to keep all the unique server visuals while running advanced graphics. Features: Wynncraft Skyboxes: […]
Neoculus Mod (1.21.1) – Runs OptiFine Shaders On NeoForge
Neoculus Mod lets you run shader packs on newer game versions. It brings the tools of the Iris mod to NeoForge. You can make your game look beautiful while keeping a fast frame rate. Features: Accelerated Rendering: Uses your graphics card to draw items and text much faster. Swaying Garden: Makes modded plants and flowers […]
Sodium Core Shader Support Mod (26.1.2, 1.21.1) – Enables Custom Shaders
Sodium Core Shader Support Mod is a Minecraft mod that allows resource packs to replace Sodium’s internal shaders, much like how vanilla resource packs can override core shaders. It’s designed for players and creators who want custom visual effects while using the Sodium performance mod. Features: Shader Replacement Support: Lets resource packs override Sodium’s shaders […]
Accelerated Rendering Mod (1.21.1, 1.20.1) – Entity Rendering Optimization
Accelerated Rendering Mod boosts FPS by offloading entity vertex transformations from the CPU to the GPU using compute shaders, making crowded areas and complex models render much faster. Features: Entity rendering optimization with GPU compute shaders. Faster vertex transformations and caching for complex models. Compatible with shader packs including Iris Shaders. Configurable acceleration features for […]