Minecraft Java 1.21 Mods
Browse 2,174 free mods for Minecraft Java 1.21 — popular picks include MusicMoron's Create Modpack, Ultra Optimized X, Betterly Optimized.
Updated daily
MusicMoron's Create Modpack
A modpack for my friends, let me know what can be changed
Ultra Optimized X
Trying to make Minecraft run as light as possible, this may make a good starting point...
Betterly Optimized
The Betterly Optimized modpack aims to provide a base of the best optimization mods available, configured for the maximum performance achievable. Thanks to countless hours of research, it often outperforms other optimization solutions in benchmarks.
Stam1o Supporter Server S3
Modpack used for Season 3 of Stam1o's Supporter Server
Wolf's Den 4
Master intricate machinery with the Create mod, explore a breathtakingly overhauled world, and conquer a deep culinary system in this definitive, performance-optimized 1.21.1 adventure.
Optimized Vanilla
A brandnew Vanilla+ modpack for 1.21!!
AutoSaveAll
AutoSaveAll is a lightweight Paper/Spigot plugin that automatically runs the save-all command at configurable intervals to prevent data loss. It supports Minecraft versions 1.13 through 1.21 and includes features like chat broadcasts, random
Why Not Create
Build and automate with Create, survive zombie hordes, enchant gear, and explore with AVA Guns and Chocolate Cows. NeoForge optimizes performance in Minecraft 1.20.1 for a smooth experience.
Mekanism:Lightning Generator
This mod adds a Lightning Generator. It is quite costly to build, yet produces an enormous amount of power, which can help ease performance issues caused by power generation in the late game.
AYNV
Keep Minecraft familiar with performance boosts, handy quality of life mods and subtle resource packs
Vanilla Deluxe
A Minecraft Performence and Feature Modpack.
PassManagerX
Tired of remembering passwords for different Minecraft servers and entering them every time you join? KPassManager handles all of that for you!
Chrono Domain
A Mod that allows you to bend the flow of time in Minecraft. Slow down or speed up entity to make it chaotic. Optimize farms and machines across chunks with the Time Station. Speed up chosen entity or even slow them down to satisfy your chaotic desires.
Create: Mechanical Factory
a Create-based tech & factory pack
CPBR's Create & Collaborate
Create & Collaborate : A Multiplayer Create focused Modpack

Jono's Create
Create mod based modpack with other mods (e.g. Yung's Better Structures, Iris shaders, and Farmers Delight). This modpack is lightweight with Create's lates update, 6.0.x, Post Production.
LIFE-QUALITY OPTIMIZER
Life quality features + the best optimization mods
Optimized fps droid
This is a modpack that improves FPS for potato-based machines, and these mods are accepted on major servers like donut.smp and mcpvp.club. The main mod is sodium, and the mods help improve FPS.
Titanium Visuals
Optimized Vanilla High Quality with Custom player & mobs animation with custom textures with 3D textures for some items
Lotus Mods
This is a create and magic modpack with many QoL additions for a fun SMP experience
CobbleProfiler
CobbleProfiler is a Fabric mod that profiles the performance impact of cobblemon Pokemon entities on a Minecraft 1.21.1 server.
All the Pieces
Combining NeoForge and Fabric into one amazing modpack.
Create: FQQD's Create 2
Deprecated! A modpack centered around the Create Mod V6, including the best available addons and performance mod.
Buttergolem
A modpack focusing on vanilla style exploration with create
AgalarMC Create
1.21.1 Neoforge | Mmm, yes... Automation... A create/aeronautics centered modpack with QoL, backports and many more features.
Carrot Cake
Carrot Cake – A light yet rich modpack by zachydabull and Calibtato, crafted for sustainable “forever” worlds. It refines vanilla Minecraft with smoother visuals, smarter animals, new decorations, and fresh structures to explore. Best with Terrain Mods.
CompactMachinesPOR
Pack massive assembly lines into a compact machine, assess their production yield, and convert them into a single Factory Block.
Max Ping
Max Ping kicks player's with a ping of 50 or higher by default, you can change this value in the config file.
Something SMP S2
Contains All the mods required to play Something SMP S2. No extra mods added.
DEAMON´s necessary FABRIC Things
This Modpack gives a Huge Performance Boost and Many Visual and QoL Changes with Loads of Features, Structures,...
Streamly
A Modpack of all the mods that you see streamers and content creators use, with `Crowd Control` to integrate with your streams on Twitch, YouTube, Tiktok and many more!
skTrace
This project adds a profiler for Skript that shows which triggers and lines are eating your server's tick time, and turns the results into an interactive report you can share with one link.
Niekie3202s Multiplayer Pack
Multiplayer Pack is the best modpack to have fun and to play with friends!
Atom
Atom is a optimization modpack that aims to create the perfect, yet not drastic, performance optimization pack there is. It aims to strip Minecraft to its absolute bare-minimum, and still have a playable style. All downloads are appreciated!
Optimod
A fully optimized Minecraft experience with stunning shaders, quality-of-life tweaks, and everything you need for a smooth, beautiful game.
Sulfur
A NeoForge performance pack built for optimization. No QoL features, just a no stutter, high-FPS foundation.