Minecraft Java 1.21 Mods
Browse 12,081 free mods for Minecraft Java 1.21 — popular picks include Chris' Multiplayer with Friends, Branko's Explorer Modpack, CleanCraft.
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Chris' Multiplayer with Friends
This modpack adds a lot of quality of life, more blocks, biomes, crops, and seasons with much more exploring, fun trinkets and more.
Branko's Explorer Modpack
A performance-friendly exploration & survival pack — seasons, ambient immersion, and thoughtful survival mechanics for Minecraft 1.21.1.
CleanCraft
This lightweight Modrinth modpack uses just over 40 carefully selected mods designed to dramatically boost your performance by a guaranteed 100+ fps. It masterfully optimizes your game's engine, delivering buttery smooth gameplay and enhanced, graphics.
Pick Block Optimizer
Makes Pick Block Not wait on server to pick a block
lagprotector
Just a simple anti-lag solution
devs survival modpack
this modpack adds multiple performance and qol mods
UnRender
Allows you to unrender certain entities and items visually on the client-side.
SignCulling
plugin for better UX. Signs render optimization
SDX's library
a library mod made by SDX. it's good for configs, optimization, settings and data!
Kernel
The all-in-one server plugin | Optimized - Easy-To-Use - Multiple Features
All The Tech
A modpack that mixes a bunch of tech while still somehow working, wow
zalks modpack
optimization modpack, im busy with other mods so this wont be updated oftenly.
Creation
An modpeck thats full of create mods and train gen mods
LegitiAds
LegitiAds is a customizable announcement and advertisement datapack specifically aimed towards the legitimoose.com server. It features a clean and optimized feature set that has not been seen in any datapack before.
888 Network
A lightweight modpack designed to fully optimize your game, boost FPS, and improve performance.
Simple Buttons
This resource pack makes the buttons cleaner inside and less details, it is for minimalism and performance imporvements.
Beautiful ModPack
This is a modpack designed to add optimization's to the game & make it look cooler via shaders and mods.
Horizon+
Horizon+ 🌅 An ultra-smooth, deeply immersive Vanilla+ overhaul designed to push Minecraft’s visuals and performance to its absolute limits. Inspired by the cinematic gameplay of creators like flowstate
Bramble's Adventures +++
This is basically brambles vanilla + but with custom terrain generation and extra large render distances
Wild Horizons
Beautiful landscapes. Beautiful optimizations.
FixCnNameHeadItemCrash
Fixed an issue in version 1.21.4+ where clicking on a player's head item with Chinese characters inside a chest would cause the client to crash.
faxxen
Vanilla+ Modpack for private SMPs. Enhanced performance, structure generation and QOL updates.
ultraperformance-official
A powerful server-side optimization and anti-bot plugin for Paper and Purpur servers.
PumpkinMsg
A high-performance, single-JAR messaging system for Velocity and Paper featuring advanced spy tools, RGB styling, and seamless PlaceholderAPI integration.
DailyRewardsZ
A simple light-weight and well-optimized plugin that allows you to reward with Daily Rewards.
Stranded in Desert
An early-alpha survival modpack set in a harsh custom desert world with rare lakes, structures, extreme heat, seasons, shaders, and performance improvements.
Circeon
Circeon is a high-performance, minimalist utility designed for FastAsyncWorldEdit (FAWE). It provides a streamlined approach to rotating structures with mathematical precision, focusing on a clutter-free experience for professional builders.
Stupefied Mobs
A mod that lets you disable mob AI by using a nametag
OptimalKB+
Optimizes Knockback for High MS Minecraft Players!
Nylen's Optimization for Potatos
This modpack tries to increase the performance on a potato/low-end laptop/pc so you can have a more enjoyable experience
Custom Despawn Timer
Custom item despawn time override
PLClearLag — Smart Performance ClearLag
Lightweight. Configurable. Built for modern servers.
[ESB] Excrele's System Booster
monitor system status and help boost performance with basic tools in a gui.
AntiESP
A working AntiPlayerESP, AntiBlockESP, AntiXray and AntiFreecam Plugin.
nciwyOptimized
Optimization Modpack for Minecraft
SimplyServers
This plugin aims to help all server owners with their struggle of finding plugins to add that can help improve the quality of life for most players, this plugin also has a customizable config.yml file for server owners to turn on and off certain settings