Minecraft Java 1.21 Mods
Browse 1,534 free mods for Minecraft Java 1.21 — popular picks include The Elemental, Lucky Block Worlds, The Bottomless.
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The Elemental
Become an elemental creature and cast spells, RPG style!
Lucky Block Worlds
Lucky Block Worlds introduces disguised lucky blocks into the world, so be careful where you mine!
The Bottomless
There are beautiful void cosmic biomes in the dimensions
Gilded Sands: A Desert Expansion Mod
An mod which enhances the vanilla Minecraft desert experience with new structures, mobs, trading systems, and more to come. (Formerly: Arabiacraft)
Mystic Crystals
Mystic Crystals adds magical ores and powerful crafting recipes to your Minecraft world, enhancing exploration, combat, and mobility. Discover Emberite, Aquacite, and Zephyrite, each with unique abilities and crafting uses.
Realistic Tornado Disasters
Adds destructive, tiered F1-F5 tornadoes with realistic physics, volumetric rendering, and debris interaction to your world.
Superflat Plus
Add-ons to expand & allow you obtain unobtainables from Superflat Worlds
Universal Blocking
🗸 Ultimate server-side control mod for Minecraft. Block any item, block, craft, or mob spawn using 11 configurable flags, wildcards, and tags. Hide items from Creative tabs and JEI and etc.
Invincible multiversecraft
Basically invincible in minecraft
Epic Bosses
A mod for epic bosses in minecraft that adds a lot of unique content.
Monumental Experience VI - Rise of the Dinosaurs
Monumental Experience VI - Rise of the Dinosaurs brings prehistoric giants back to life in a dangerous survival world. Explore, build, and adapt as powerful creatures roam freely, enhanced by Monumental’s custom recipes and progression systems.
Pale Gardening
Improves the pale garden by adding fog and removing other hostile mobs.
INFERNO ADVENTURES
This modpack includes new world generation, new rpg classes, new structures, new weapons, new mobs and animals, new foods and ways to cook them, battle ships, dragons, new accessories and much more!
Hazelia
Hazelia dimension, creatures, and boss!
Ships Ahoy!
An exploration/adventure based mod pack with new biomes, challenging mobs, ships, and enhanced vanilla structures!
OneBlock CraftBound: Classic
A custom NeoForge OneBlock mod with phases, rewards, chests, mobs, and a true one-block start.
Ore Fossilmon
Adds Fossilmons that can be Resurrected with Bones & Ores.
invalid_mod.jar
ARG-like mod.
PMWeather: MISC Additions
This is an addon to protomanly's weather mod to add many things that do enhance an aspect of progression in the mod made by protomanly!
Zombie Horses From Abandoned Villages
Zombie Horses spawn in the animal pens of Zombie Villages instead of normal animals They can also spawn as permanent babies or ridden by zombie villagers
THE DELTA RUNE
A DELTARUNE mod for Minecraft. Previously known as Minecraft: 5th Dimensional. (Heavy WIP.)
Nature+
A mod that adds improvements to nature! This mod includes Oil, Trash, Polluted Water, Trash Dumps, and even Wallmart!
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Cave World Remastered. (Froglight Edition)
Brings back the Old Cave World type but Better and More Improved.
Cyra
A Minecraft mod that reveals the secrets of the ocean!
KantoSpawners
Configurable Cobblemon Spawner blocks for map makers and server owners!
The Polluted World
A Dimension that is accessed through the deep dark that contains 7 biomes, 4 ores, 2 armor sets, magical weapons, 6 mobs, archaeology and decontamination system, and more on the way!
Uncovery
Uncovery is a datapack that adds content to Minecraft like structures, mobs, items, recipes, advancements, and more.
TechnobladeCraft
Adds lots of features having to do with Technoblade

CobbleMaster
The official Cobblemon: Mega Showdown modpack — competitive battles, tech automation, and endless exploration, all in one.
Deformation Dimension
Nerfs elytra by adding an entirely new dungeon-like dimension you need to complete to obtain one.
Chaos Cubed Content
Chaos Cubed (Upcoming 26.2 Game Drop), but Re-imagined and Re Implemented
the multiversal arg 2
adds cool blocks and entities from mark101 and other args(2)
Head Hunters
Adds configurable Mob and Player Head drop chances. Includes Hunting lodges and Head Hunter Villagers for trading mob heads.
Dungeons Overhaul
Upgrades the vanilla dungeons to a more adventurous experience
Iron's Spells 'n Spellbooks:Monsters & Spellbooks
A medium sized addon for the popular mod Iron’s Spells ‘n Spellbooks that brings a 100+ spells,2 new spell schools and a ton of new gear and uniqye spell casting enemies