Minecraft Java 1.21 Mods
Browse 16 free mods for Minecraft Java 1.21 — popular picks include Emerald Vanilla | PvP Overlay, NeoTech Reborn, shAIder.
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Emerald Vanilla | PvP Overlay
Enhance your Minecraft experience with the Emerald Vanilla Overlay! Designed for competitive players, this texture pack delivers sleek and vibrant visuals without compromising performance. Perfect for PvP and survival gameplay.
NeoTech Reborn
650+ Mods | 400+ Custom Enchantments 📚 | 1000+ Mobs 🐉 | Magic & Tech Combined ⚡ | 1000+ Epic Structures 🏰 | Stunning Shaders 🌄 | Optimized for High Performance 🚀 | Everything You Need in One Pack!
shAIder
An AI-made Minecraft shader. Translucent animals, black fishes and much more. AI it's AI...
Horror OneBlock
OneBlock survival with horror mobs, dwellers, guns, shaders, and Create automation.
Lifesteal X PvP + FPS Boost
Lifesteal SMP PvP Pack enhances visibility for competitive combat with transparent particles, fire, potion effects, a clear pumpkin overlay, and fullbright lighting — built for fast, clean, and focused PvP.
Contour Shaders
This Minecraft Shader Adds Custom Outlines to Every Mob!
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.
Old school mc+
"Old School MC+" is a modpack combining classic Minecraft with the alpha and beta era. It features elements like non-stacking food, a hunger bar, and mobs dropping items from the old days. It introduces new features such as a minimap, and shaders.
XPON Optimize
XPON: Enhancing Your Minecraft Experience XPON offers a wide range of Minecraft mods, resource packs, shaders, and modpacks designed to improve performance and visuals. We aim to provide high-quality content for all platforms, including mobile devices.
Adrenaline: Dawnlight Edition
A high-performance Fabric modpack built on Adrenaline/Additive's optimizations, with Fresh Animations for vibrant mob/player movements and a curated Iris shader selection—defaulting to no-shader "True Sight" for maximum speed on any hardware.
PP SMP
Official modpack for PP SMP, a private vanilla 1.21.4 server consisting of 2 main teams competing against each other. Contains shaders, optimizations, and quality of life mods.
Mobile Horizons
Experience stunning shaders, massive render distances, and optimization on your mobile Java launcher!
Unleashed Craft
Unleashed Craft is a project of trying to remake the feel of Minecraft. It remakes the Graphics like movement shaders combat. With Unleashed Craft+ will also add custom content like Items, mobs, Maps and more.

onlypvpShaders
performance-first Java texture pack built for competitive play. It features essential PvP visibility tweaks (no fire, reduced clutter, custom audio) alongside built-in lightweight shader effects like waving grass, realistic lighting, crystal clear water
MrToad's Palladium Mod (1.21.8, 1.20.1) – Advanced Optimization For Minecraft
MrToad's Palladium Mod is a performance optimization mod designed to improve memory usage, chunk processing, and shader performance, while also enhancing mob AI. Features: Deduplication System: Removes redundant resource keys, resource locations, and vertices to save memory. Enhanced Mob AI: Improves combat and behavior for cats, wolves, and rabbits for more natural interactions. Shader Optimization: […]
MobileOptimizer
Mobileoptimizer helps to optimize the Minecraft java edition for mobile. launcher like Pojav glow-worm, zenith launcher etc, Works perfectly with mobile glues render. So use it for fps boost and running Shaders