Minecraft Java 1.21 Mods
Browse 744 free mods for Minecraft Java 1.21 — popular picks include Chill, CobbleMaster, Shadow's Multiworld.
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Chill
Experience the official Chill SMP: vast landscapes, and immersive progression for all, plus a relaxing cooperative experience focused on exploration and building.

CobbleMaster
The official Cobblemon: Mega Showdown modpack — competitive battles, tech automation, and endless exploration, all in one.
Shadow's Multiworld
A Mod that Aims to add Multiple Customizable Dimensions to Minecraft
Pokecade Cobblemon
Cobblemon Pack - Add Pokemon to your Minecraft world! Increases FPS and performance! Multiplayer server with Gyms, Wondertrade and more!
Reload World Button
Speed up reloading a world to allow for quicker dynamic registry changes. Client-side & Singleplayer only!
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
New Worlds Polished!
A fun and optimized modpack | RPG in exploration | +250 Mods | +300 Quests!
Cookie Pack(e4mc)
A slightly modified vanilla+ modpack focused on optimization and multiplayer with a large number of decorative blocks, as well as new structures
FF´s Essencials
light modded experience for builder and explorer! Optimized FPS rates and new mechanics for everyone.
Shader Essentials 2
Enhance your Minecraft adventures with a modpack that optimizes performance, streamlines inventory management, aids exploration, and provides essential crafting information for a smoother gameplay experience.
Stekkercraft: Client-side enhancements
This modpack enhances your gameplay with performance, cosmetic, and utility mods, without introducing any additional blocks, items, or world generation.
Brecher's Exploration Dimensions
Brecher's Exploration Dimensions adds temporary, resettable duplicate dimensions to Minecraft servers - providing unlimited exploration opportunities, even with World Borders enabled!
The Broken Script (Horror)
Its just the broken script horror mod with a few optimizations.
Quality Time - Beautified and Optimized
Vanilla plus A LOT of visual enhancements and Quality of Life mods. Aiming to make the game prettier and convenient. Client-side and optimized with Distant Horizons <3
Global Emeralds
Unlocks Emerald Ore to spawn in all biomes.
ZonePractice Pro Duels
Elevate your server with the ultimate high performance Minecraft Modern PvP practice core plugin for playing duels.
AntiSeedCracker
Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.
SMP Aesthia
This modpack is a Vanilla+ styled around exploration, dungeons & more. Girlfriend friendly modpack.
Ty-Ty+
This is a exploration/visually-focused modpack with many mods included. However, care is taken to ensure reasonable performance.
XGamemode
You're not switching modes, you're switching dimensions.
[DISCONTINUED] It's About The Journey
A modpack focused on exploration, survival, creativity, and good times.
BM - Mirabilis
Stunning visuals, smooth performance. Vanilla+ was not enough.
picos minecraft+
this is a small lightweight mod pack designed around JEI and sodium
B-RTP
BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance
Vanilla+ | Better Exploration
Vanilla+ is a modpack for Minecraft that enhances the game with diverse terrain generation, stunning biomes, custom structures, and various quality-of-life improvements, creating a more immersive and rewarding exploration experience.
⚡ ServerBooster
Optimize your Minecraft server for peak performance with ServerBooster
FREE PARTICLES
This mod allows you to turn off your game particles easily!
Smooth Animations
A ModPack that make Minecraft more pleasant to look at, this is the non-optimized version.
Dungeons & Crafting
Jump into a world of Swords, Sorcery, and Exploration with a Vanilla+ feel!
FPSCraft for More FPS
This modpack is designed to provide a smoother vanilla Minecraft experience through performance optimization mods. Depending on your hardware and settings, it can significantly improve FPS and overall game performance.
Karma Shader
A stylized, optimized Minecraft shaderpack featuring volumetric voxel clouds, light shafts, rich, reflective water, waving foliage, and custom immersive atmospheres for both the Nether and End dimensions, entirely free of any heavy fog.
Virtua Frontier
Explore wide-open plains and treacherous dungeons in a performance-tuned adventure pack. Virtua Frontier blends overhauled worldgen, new structures, lightweight RPG progression, QoL tools, voice chat, and shader support—great for SMP or solo
Maximal optimized
Maximal optimized [Fabric]
Don't freeze
Added a game rule to disable the natural generation of ice
Cobblemon Vulkan (Performance Pack)
The Official Performance Modpack for the server Cobblemon Vulkan
CreateServer perfect modpack
A modpack for a server of mine that includes many create addons, farmers delight, planes, boats alexs mobs and extra mods to increase performance