Minecraft Java 1.21 Mods
Browse 12,058 free mods for Minecraft Java 1.21 — popular picks include Sodium Extras, KubeJS Tweaks, Better Biome Reblend.
Updated daily
Sodium Extras
An add-on mod for Sodium that adds new features and customization.
KubeJS Tweaks
This is an addon for KubeJS to abstract some common usage of KubeJS for heavily modded modpacks. Also applies hotfix when needed.
Better Biome Reblend
Updated version of Better Biome Blend, a mod that improves and fixes biome color blending
Achievements Optimizer
Improved achievement performance
Leaky - Item Lag Fix
Detects & reports too many stacked items and improves item performance
Fullbright UB
Experience Fullbright UB in Sodium, Optifine and Vanilla
Gnetum
Distribute HUD updates over multiple frames to improve performance
ThreadTweak
Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
![Cobblemon Official Modpack [Fabric]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/9290.webp)
Cobblemon Official Modpack [Fabric]
The official modpack of the Cobblemon mod, for Fabric!
Ksyxis
Speed up your world loading by removing unneeded chunks.
Does It Tick?
Minecraft's dumbest server performance mod.
Sodium Leaf Culling
Smart leaf culling algorithm for Sodium on 1.21+
Fast Paintings
Fixes painting rendering, increasing their performance and allowing them to have custom models
Vanillin
Instanced rendering for entities and block entities.
Krypton Reno
Provides powerful network optimization capabilities for all mainstream systems.
FTB Quests Optimizer
Mod to improve quest performance for servers
Better Block Entities
A Minecraft optimization mod for Fabric-Sodium that improves framerates by improving block entity rendering via a hybrid renderer
Super Duper Vanilla
A shader pack created to convey the style of the cancelled Super Duper Graphics Pack and other popular Minecraft titles.
Insanity Shader
A stylized, horror themed Iris shaderpack with high customizability and performance.
Ixeris
Buffered raw input and threaded event polling
Structure Layout Optimizer
Attempts to optimize the generation of Jigsaw Structures and NBT pieces
Loading Backgrounds
Customize the loading background of the games, and place customizable images.
Wakes Reforged
Adds splashes and wakes while traveling on water, Forge port ! v1.4.0 10x performance update
Faster Random
[NOTE: This mod is now only intended for use with pre-existing Faster Random worlds]
AsyncParticles
Async particle ticking/rendering.
Radium
Radium is an Unofficial Fork of CaffeineMC's "Lithium", made to work with Forge Mod Loader.
![COBBLEVERSE - Pokemon Adventure [Cobblemon]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/9291.webp)
COBBLEVERSE - Pokemon Adventure [Cobblemon]
Start a true Pokémon adventure in Minecraft: Cobblemon 1.7.3 | ALL 1025 Pokémon! | Mega Evolutions | Gyms & Badges | Starter Kit | Unique Structures | Custom Music | Shaders | Optimized | So much more! [1.21.1]
Mellow
Shaderpack with a painterly aesthetic made for people who want to actually play the game. It's easy on your eyes and on your computer!
Sodium Options Mod Compat
Adds compatibility for various mods through Sodium Options API
DarkTimer - RPG Clear Entity Lag
RPG Style, Automatically clears and removes dropped items every 10 minutes to reduce server lag
GPUBooster
Provides DSA & fastest math formulas to game render system for best perfomance! Compatible with Sodium/Embeddium, Iris and shaders.
Disconnect Packet Fix
Works around the MC-271325 bug on Fabric and NeoForge servers (fixes "error sending packet clientbound/minecraft:disconnect")
Saturn
A performance mod designed to optimize Minecraft's memory usage.
Pastel Shaders
An aesthetic, performant pastel-colored shaderpack with multiple color presets.
BiomeSpy
Rewrites search algorithm for /locate and Nature Compass — 97% less time costs.
AstraLex Shaders
Shaderpack with very high customization. If you like effects, this shaderpack is made for you!