Minecraft Java 1.21 Mods
Browse 506 free mods for Minecraft Java 1.21 — popular picks include Reforested, No More Villagers, Crawling Chaos.
Updated daily
Reforested
A Reimagining/Love letter to Forestry and Binnie's Mods for Minecraft Fabric 1.21
No More Villagers
Stops Villages from generating
Crawling Chaos
Crawling Chaos is an mod that aims on recreate the Abandoned mod Anti Plants Virus mod of the 1.6.2 on the Modern Minecraft
T.error
T.error adds a terrifying entity that stalks you, sends creepy messages, and corrupts your world, turning Minecraft into a true horror experience.
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!
Prehistorum
A mod that adds paleontology, prehistoric creatures and more to Neoforge 1.21.1
Cubic Realism
CB is a mod made with Mcreator, having the goal of revamping minecrafts realisim and magic. From perma ban swords to steelmaking and even lead poisoning, this mods goal is to have it all! (Yes that includes bombs).

Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
Eternal Quests: RPG Overhaul
Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!
RealMobSize
Generate your mobs with real-life scale
Project Extinction Datapack
Extends the abilities of the Project Extinction resource pack.
Wealizh
An industrial-themed mod with imagination, featuring various minerals and machinery
miencrap 2 minerat
makes mineracft better by adding random bullshit (140+ blocks, 80+ mobs)
Shogun's Blast - Undead & TNT
Explore haunted Japanese villages, battle explosive Oni Warlords, and defeat the Council of Leaders in this immersive RPG structure and combat mod.
Industrium Mod
Industrium is the all new mod for revamping your minecraft with a fresh set of items and blocks!
Grippers
A horror-comedy mod featuring a custom dimension, cryptic secrets, explore carefully, there's more going on than it seems.
End Phantoms
Simple datapack adding phantoms to the end.
Progressive No Structures
This datapack allows you to make progress and even beat the game in worlds with Generate Structures disabled!
Immersive Pillagers
Face pillager hordes, explore hostile camps and lost labs, battle undead illagers, and uncover the secrets of the totem.
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
Space Update
dannytaylor's April Fools' 2025 "Update"
Skulk Dimension
This Mod Adds New Dimension , structures and more!

Wili's Pikmins
Adds Pikmin and Pikmin-related features for a personal modpack/server
The Birth of Steve
The Birth of Steve is a roguelike dungeon adventure inspired by the core progression of The Binding of Isaac.
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
Saltpeter Gunpowder
A vanilla-friendly, immersive, well researched gunpowder crafting mod with no feature creep and no world generation tweaks.
Decharted
Decharted is a mod based around the corruption of the world, this mod allows multiple ways for the player to send their friends (or foes), to a separate dimension to have them stuck. You may also be able to spawn trap players before they die and respawn.
REDACTED_ (WIP)
This ARG mod adds several entities, retextures, and dimensions.
Better Entity Control
Take full control over mob and projectile attributes — modify health, damage, speed, armor, knockback, scale for mobs, and damage, speed, gravity, knockback for projectiles, with commands in Russian and English.
Halloween Storm
With a single command, enable ravageous tornadoes, ghasts invasion in the overworld, ghosts (new mob), Herobrine and forbidden forests. Compatible with worldgen datapacks!
Improved Potions
Not the biggest project, the main goal of which is to improve the mechanics of brewing potions in the game. New tools, items, potions, and cauldron brewing.

Cats stuff
A mod that adds a new cat dimension and items arrmor an so on...
Whales
This Minecraft Plugin adds Whales to Minecraft.
Biome Vote
Meerkats and oases in the desert.
Lanse's Combined Challenges
This mod combines a lot of my challenge mods together into 1. Can you survive?
zzzZombie World
Makes the game only spawn zombies