Minecraft Java 1.21 Mods
Browse 233 free mods for Minecraft Java 1.21 — popular picks include Cobblemon: Aether Expansion, Decorative-Desing Functions And Blocks: Furniture Mod, Valiance.
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Cobblemon: Aether Expansion
An Aether integration datapack for Cobblemon, adding new structures and regional variants.
Decorative-Desing Functions And Blocks: Furniture Mod
Decorative-Desing Functions And Blocks: Furniture Mod adds decorative blocks, new plants and mobs.
Valiance
A different take on Minecraft's combat, prioritizing difficulty, variety, and customization
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
FARWORLD
a mod aiming at expanding and padding out vanilla's content to give a truly full adventuring experience!
Hell's Survivor
A Nuclear Themed Horror Mod.
Manifestation of the souls
Manifest your soul as a stand, kill bosses, follow quest lines and find structures
Realistic Plant Growth
Powerful Spigot/Paper plugin that brings a new level of realism to the Minecraft flora, allowing you to fine-tune growth parameters on a per-biome basis.
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.
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
CulinaryCraft: A Better Food Experience
CulinaryCraft enhances Minecraft’s food system with new ingredients, multi-step recipes, and immersive cooking mechanics. Gather, cook, and master the art of cuisine in your world.
Classic Combined
This mod creates a Classic Minecraft/Modern Minecraft hybrid experience. Recreates modern features in a Classic Minecraft/Alpha Minecraft style. Fully Survival compatible
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.
The Minecraft (wikidot) Backrooms
A mod that aims to make the biggest lore accurate Minecraft backrooms experience. THIS IS BASED OFF OF THE WIKIDOT.
Acid Wasteland
A wasteland theme datapack with acid rain, mutated mobs and many other features.
Backrooms: The Complex
A survival friendly, lore accurate backrooms mod with high quality visuals.
Minestuck Extras
Adds new blocks, weapons, foods, and armor sets to Minestuck.
Niobium
A mod that adds features that should be in Vanilla.
Vanilla Backrooms
Vanilla-Backrooms is a server-side only Backrooms mod based on Polymer
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.
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…
Cool End
This mod adds new biomes, structures, mobs and resources to the End and Overworld, expanding exploration and improving gameplay and visuals.
Dimensions+
Enhance your adventure with new features, creatures, and challenges in this Minecraft mod.
Mo Flowers
MoFlowers is a Minecraft mod that adds new flowers, shrubs and decorative blocks, with associated mechanics, biome generation, flower management API, custom rendering and localisation support.
Creatures Dominion
This is a mod that will have a lot of animals and even extinct ones. It is not released yet and neither finished. Please give suggestions and report bugs to me please! I hope you enjoy the mod!
Hollow's Tweaks
Some very funky additions
Ancient Legend(远古传说)
Add a series of new things and give you a new experience.
More Villages Datapack
Adds more villages to the game.
Kopeyka's Bunker Mod
A mod about nuclear and bunker things.
Gelaria
Frozen world dimension + many ice and snow variants, including slabs, stairs and walls, new creatures and unique game mechanics.
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.
The Sweetland
This mod adds a new explorable dimension to the game, The Sweetland, a world where almost everything is made out of candy.
Medieval Stuff
Just a small mod which will be expanded in future with lots of content.
Wild Wonders
A Beta mod that improves world generation and adventure!