Minecraft Java 1.21 Mods
Browse 8,223 free mods for Minecraft Java 1.21 — popular picks include Artefact Smp, Ultra Multiverse, Mortis All-in-One.
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Artefact Smp
Transform your server with 11 legendary artifacts, dynamic PvE arenas, and a mystical fragment
Ultra Multiverse
Ultra-Multiverse is a lightweight minimalistic plugin solution designed specifically for creating and managing Minecraft worlds with unparalleled efficiency.
Mortis All-in-One
Revolutionize your Minecraft server with powerful features like spawn setting, warps, homes, RTP, world creations and much more!
GM's Optimized Neoforge
A 1.21.1 Neoforge focused on optimization, exploration and multiplayer.
Luna's UpdateMize o6!
The ⚡ recreation ⚡ 1.21.11 mod that adds the Minecraft Live 2026.1 (Chaos Cubed) features early!
FORRANDKpokemansreal
A immersive multiplayer-ready Cobblemon experience combining custom structures, economy systems, and strategic Pokémon battles with more added mods that allow new ways to catch and use your own pokemons for an exhilarating and fun new adventure.
BITE
Minecraft has become too easy. BITE will changes that.
Homecraft Forever
A feature-rich modpack for friends, combining Create-based automation, exploration, and quality-of-life enhancements.
No End Cities
Disables end cities and end ships from generating
Trial Chambers: Parched Spawners
This datapack adds Parched trial spawners to Trial Chambers.
Limited Structures
Make structures generate only once (configurable)
Agony
A big content mod meant to make your life harder.
Simple Flares
Adds throwable small and sticky large flares for cave exploration.
Enderite ore
Discover Enderite, a new and potent material. Craft high-level armor, tools, and decorative blocks, journey to the End!
CompletelyEmpty
A void world generator that actually generates completely empty worlds.
Cobblemon Vortex Violet
Cobblemon Vortex Violet is a complete Pokémon-style overhaul for Minecraft powered by Cobblemon and enhanced with expansive world generation, immersive combat, legendary encounters, and quality-of-life upgrades! With Biomes O’ Plenty transforming.
Expanded Nature
The core extension mod for plants, bushes and more!
Mighty: Magic and Rituals
A magic mod where magic and technology are deeply intertwined.
Sweet Not Savoury
A WIP mod expanding upon sweet-themed creatures and aesthetics
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
TowiMod
A psychological horror mod with a touch of humor, created especially for the YouTuber Towi.
Wirenut
An everyday kitchen sink style modpack designed to enhance every aspect of your gameplay. Whether you're a builder, explorer, or tech enthusiast.
Regions Unexplored Biome Book Compat
This mod adds the regions unexplored biomes to the biome book mod.
skyprMC
A modpack that expands Minecraft with additional mobs, enhanced world generation, and new dimensions, offering a richer and more diverse gameplay experience.
Seed protector (cracker stopper)
By removing a configurable percantage of structures, we should be able to stop seed cracking.
Canalize
Canalize breaks the terrain generation framework of the original Minecraft, offloads the core heightmap calculations down to the C++ layer, and bridges them back to the Java game
Heartbound
A Paper plugin for Minecraft 1.21.x that implements a shared health pool across all players with automatic world reset on death. Includes a full speedrun timer and scoreboard system.
Souls Of Noxxastraël
Noxxastraël, a fallen archangel for having defied the celestial laws, is reborn from the darkness between light and shadow. Neither savior nor scourge, his return heralds a new balance at the borders of the divine and the profane.
Flower Plains
Small rework to plains generation. Plains are now full of colorful flowers!
Structure and deepdark
new structures and add diamantion "DeepDark"
Advanced Ore Deposits
Adds Factorio like ore deposits randomly generated around the world
Oxide SMP
An adventure and building modpack meant to feel smaller than it is
Odyssey | A Post Apocalyptique Adventure
A story-based adventure through a dark facility, with focus on immersive gameplay and good graphics.
bt stipram kokam
There's another world and a boss. There are enemies. Beauty. Everything is there. There are all kinds of furnaces. There are world settings. There are tools for armor and food.
Trails of Forsaken Lands
Adventures, a lot of bosses, and crystals!
Soulless
A remake of my older mod called The GhostLands with similar vibe but a bit different features