Minecraft Java 1.21 Mods
Browse 12,087 free mods for Minecraft Java 1.21 — popular picks include Smoothgl, Optimi, Farmland Protection.
Updated daily
Smoothgl
Honest micro-stutter fixes for 1.21.4 Fabric: frame pacer, raycast occlusion, entity/particle/name-tag/beacon culling, GC watcher, JIT warmup, network input-lag tuner, adaptive auto-tuner, real-time stutter profiler with telemetry HUD. Честные фиксы микро
Optimi
A client-side mod-pack that makes minecraft, like a new game
Farmland Protection
Prevents farmland from being trampled when players jump on it
ForgePony
Making a NeoForge Mine Little Pony basemodpack for others to expand
Ghibli Shaders
A shaderpack inspired by Ghibli-style
FramePilot
FramePilot is a Fabric Minecraft mod that boosts performance automatically. It detects your GPU and applies a tuned settings profile, then dynamically adjusts render distance, particles, and entity scaling to hold a target FPS.
Skyblock Enchanted
Skyblock Enchanted is THE BEST Hypixel Skyblock modpack for 1.21.5. Includes EVERY essential mod — performance, QoL, and utility — in one place. Built for sweats, flippers, grinders, and dungeon mains alike.
Don't freeze
Added a game rule to disable the natural generation of ice
Chunkter
Plugin that allows for automatic starting / stopping of chunky on player join / leave
![Liminal Shader [LOST]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/389279.webp)
Liminal Shader [LOST]
Perfect for horror maps, liminal space builds, and atmospheric survival gameplay.
Osh
Fisheye lens distortion to the texture by radially warping UV coordinates.
HeadyTimization
Headytimization is a mod pack that gives the feeling of using optifine without optifine. Supports 1.20+ and higher versions!
BannedWordsEffective
Prevent players from using banned words on server. With discord webhook support
oopsallminecraft
This modpack is a collection of mods that enhance the vanilla feel of Minecraft. It also serves as a personal passion project in teaching me how develop a Minecraft modpack.
SBETO (Smart Block-Entity Tick Optimizer)
Optimizes block‑entity ticks to boost TPS.
Position show
This mods allows you to see your location and your fps at the top left corner without opening the f3 screen that lower your fps.
FishOnMC Pack
Unofficial performance modpack for FishOnMC with integrated fishing HUDs
LiteSpeed
LiteSpeed is a modpack aimed at making Lower-end pc's experience while playing Minecraft better.
Cobble Your Mons
A Cobblemon 1.6 Modpack that includes everything I can possibly add to Cobblemon while still keeping it Vanilla+ and entirely Cobblemon based.
Armor Trim Command
Trims armor with a simple command!
One AntiCheat
AI Anti-Cheat for Minecraft 1.8-1.21.8 with smart auto-config, ML detection, zero false flags, and Bedrock support.
SOQLE
SOQLE (pronounced as Soak-al) stands for "Super Optimized, Quality of Life, and Extras". This modpack is a collection of mods, resource packs, datapacks, and shaders for a superb vanilla experience.
The Minion Pack
🔥 Fast, beautiful, and full of additions
SMM - Ultra Light Weight Shader
Lightweight shader designed for low-end hardware.
LUX Shader
is a lightweight, performance-friendly, and visually stunning Iris/OptiFine shaderpack designed for Minecraft.
Debug View
A professional tool for developers
RtfShader
A clean Minecraft shaderpack with smooth lighting, atmospheric visuals, and balanced effects for everyday gameplay.
Performancez — Lag Reduction & Server Optimization
Performancez is a Spigot/Paper 1.16–1.21 plugin that reduces server lag by limiting entities, merging items, freezing empty worlds, monitoring TPS, and protecting against crash exploits, Built By 786kurulus.
Panini Projection
Panini projection which will reduce motion sickness especially when high FOV setting. panini投影, 减轻高视野范围(FOV)时屏幕边缘的变形,减轻3d眩晕
Lantern Optimization
Lantern — Простой и легкий пак оптимизации для игры на сервере или в одиночном мире. 1.21.4 - 1.21.8
Epic Fight + Backpacked Compat
Epic Fight and Backpacked compatibility patch. Fixes rendering of Backpacked backpacks with Epic Fight animations.
Visually Waxed Golems
Give WAXED Copper Golems a unique texture to differentiate waxed golems from unwaxed ones!
Some Overhaul
Vanilla-friendly modpack focused on performance, increased difficulty, and shader + texturepack support
Morden optimized modpacks
Here is FPS Boost Modpack. I hope you get better fps then before. also join our discord to known about My future plan. THanks For Reading
APackByRandomGuy (ABGV)
Vanilla+ / Shaders / Ressourcepacks / Performance / Reworked Weapons, Tools and more
QoL Vanilla Boost
A Minecraft performance modpack with quality-of-life features, designed to keep the Vanilla feel.