Minecraft Java 1.21 Mods
Browse 1,683 free mods for Minecraft Java 1.21 — popular picks include Whispers of adventure, Superflat Revamped, World Balance.
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Whispers of adventure
Modpack somewhere between Vanilla+ and modded, suitable for both experienced players and beginners. It focuses on exploration, atmosphere and aesthetics, transforming the basic game into an RPG without inserting complicated mechanics.
Superflat Revamped
Making Superflat better by removing slimes, villages and adding new presets
World Balance
An attempt at nerfing unbalanced features. Structures are rarer, villages always spawn abandoned, no Trader Llamas, convert Wandering Trader to a Villager & more!
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
Evo Biomes
Dynamic biome evolution, gradual transitions, and environment-based ecosystem.
Create Aeronautics: Big Globe Pressure
Scales world pressure for worlds using the Big Globe mod.
NotHunt - No Compass Manhunt!
Minecraft Manhunt, Tracker over all dimensions (even The End), Alerts, Multiple runners, Numerous Objectives, Tweaks, WHAT ELSE DO YOU WANT?
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.
Superflat Structures
Lets all structures (biome dependent) generate in all superflat presets!
Better Chorus Trees
Improvements to Chorus trees that can impact farms and end agriculture :D
Sculk Mod
This mod adds new weapons, armor, tools, and mechanics.
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.
Pandora Holograms
A high-performance, packet-based hologram plugin designed for modern paper/spigot minecraft servers.
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!
Saltpeter Gunpowder
A vanilla-friendly, immersive, well researched gunpowder crafting mod with no feature creep and no world generation tweaks.
Cravings: Foods and Drinks
This mod adds numerous foods and drinks to Minecraft!
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.
Mega World Height
Mega World Height expands the Overworld build and generation height, giving you much more vertical space for mining, building, exploration, and custom world generation. By default, Minecraft’s Overworld height is limited to a smalle
Hard Diamond Challenge
Diamond ore doesn't exist anymore, it is iron instead, you can't craft diamond gear (you'll have to find it) and there are no villages (you'll have to find and cure a zombie villager)
Better Ore Progression
Changes the Ore Progression
OmniGen
Stop Server Lag. Start Shared Generation. Unleash your CPU with OmniGen's distributed architecture.
Ashfall
Ashfall aims to transform caves using no game breaking mechanics
Mesa Palace Stucture Datapack
This Datapack generate in your world a big structure in the Badlands biome.
Better Than Fireflies
This is a mod that takes the lazy vanilla drops like fireflies and instead adds actually needed features, transforming an innocent children game into grindy nightmare (still in alpha).
Pandora ReForged
4YR Project building Pandora from the movie Avatar in Minecraft
Cats stuff
A mod that adds a new cat dimension and items arrmor an so on...
Biome Vote
Meerkats and oases in the desert.
Whales
This Minecraft Plugin adds Whales to Minecraft.
Scyap's Barista Mod
This mod adds coffee berries, coffee drinks, and a kettle into Minecraft
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
Cold Biomes Only
Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!
Structureless
Removes all vanilla structures. No more strongholds, villages, etc.
OreRegrow
Fully configurable ore regeneration plugin with timers and custom shaped mines