Minecraft Java 1.21 Mods
Browse 247 free mods for Minecraft Java 1.21 — popular picks include Potions & Such, P.I.G. - Personal Intermediate Groink, Dungeons, Creatures and Classes (DnD).
Updated daily
Potions & Such
New effects, potions and items, stackable potions, a use for the fletching table and new arrow types, a new monster and more!
P.I.G. - Personal Intermediate Groink
It isn't a normal pig...
Dungeons, Creatures and Classes (DnD)
A D&D inspired RPG mod with Mobs, structures, classes and a lot more!
THE DELTA RUNE
A DELTARUNE mod for Minecraft. Previously known as Minecraft: 5th Dimensional. (Heavy WIP.)
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Candy Recipes - Cobblemon
Adds crafting recipes for Cobblemon candies.
Ben 10 Classic Datapack
Become a hero with this datapack!
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
Slimefun United
A modern and organised continuation of Slimefun’s legacy. Slimefun United transforms your server into a modpack-like experience with backpacks, jetpacks, reactors, electricity, automation and countless new systems.
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Origins: Giant and dwarf
this mod adds the Giant and Dwarf origins from the More_origins mod
More Soups Mod
New vanilla-style useful soups with many new effects like lucky block, and country-themed food (from stardew valley, horror mods, terraria and popular brands)
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
Backrooms: The Complex
A survival friendly, lore accurate backrooms mod with high quality visuals.
Niobium
A mod that adds features that should be in Vanilla.
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Potatomod
The potatomod is a funny and unlogical mod.
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
Alchemika
An experimental magic datapack centered around alchemy. Ore processing, confectionery, chemical thrower, and more!
Apothecaria
Medieval Medicine comes to Minecraft
Rideble Dragon Mount
Dragon Mount, new hostile dragon, new end slime. Happy Dragon.
Eat Me, Drink Me!
A small datapack for a family member, that allows them to shrink, or grow with edibles.
More Villages Datapack
Adds more villages to the game.
Ancient Legend(远古传说)
Add a series of new things and give you a new experience.
Splash Ominous
Splash Ominous introduces a new feature to the game: the ability to create splash potions from ominous bottles. This adds an exciting layer of strategy and utility, allowing players to harness the power of ominous bottles in hands
Auto Smelt 2
This data pack can automatically consume coal from the player's inventory to smelt items.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial
A Minecraft mod that presents a possible world set in the MirageFairy universe.
Toukun's Mod
This mod is the culmination of what my friends and I think would be fun to include in Minecraft as a Mod.
The Alchemist's Touch
The Alchemist’s Touch reworks Minecraft’s potion system with new effects, early-game ingredients, and advanced alchemical interactions.
Elements of Beta
Elements of Beta is magical datapack that not only brings beta Elements to 1.21, but adds more! Check out Purely Beta for just bringing vanilla Beta features.
Gravity Book
Adds a book that when you hold it gravity is flipped, similar to when you drink the Gravity Potion in terraria.
Toxicate
Toxicate | To describe the act of poisoning someone
LifeLocke
A mod for a server that adds Pokémon types and their abilities as status effects
Zhengels's additions
This mod adds vanilla+ stuff and fixes some minecraft's flaws.
SharedSoul
Experience true cooperative survival where all players share health, hunger, inventory, XP, and death. When one player takes damage, everyone feels it. When one dies, all die together. Perfect for close-knit groups seeking the ultimate teamwork challenge.