Minecraft Java 1.21 Mods
Browse 3,669 free mods for Minecraft Java 1.21 — popular picks include MineTweaksX, Genetic Modifications (GenMod), Overlord_guardian.
Updated daily
MineTweaksX
The plugin aims to add tweaks that will simplify the game and could be added to the game.
Genetic Modifications (GenMod)
An origins style datapack that adds 6 craftable genetic modification syringes.
Overlord_guardian
want more difficulty? more mobs? this datapack has it all plus a designated guardian that can be every mob!
Mahan's Mod
This Mod is a Random Mod Of What My World Will look like.
HealthIndicatorss
Shows health hearts, HP, armor and distance above mobs and players in world space. Toggle visibility with V key.
Villager Eggs
Add two recipe (villager and zombie villager) and two advancement.
Items Together
• Items Together - a plugin that allows you to control the scattering of items when a player dies.
Smart Zombies
Fabric‑based 1.21.1 mod making zombies intelligent: wall‑breaking, gap‑parkour, horde spawning, skeleton turrets, creeper‑throwing, emergency escape, backup calls, item‑picking, base sabotage and variable stats & sizes.
Night Walkers
Adds night walkers, white furry creatures that appear to be a pair of legs.
No Ominous Banners
Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance
Stealth Mechanic
A Forge mod that adds stealth, noise, and hostile mob hearing mechanics to Minecraft.
The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
RTN's Economy Library
Server-side economy library with rewards for killing mobs, kill combos, top lists and a developer API. Vault-style economy for mods in Minecraft.
BackguardAegis
Overhauls shield combat by adding a 360° omnidirectional "Ultra Shield" mechanic with dynamic shockwaves, aggressive projectile deflection, and custom enchantments.
vSafeMobs
Spawn Mobs, with custom attributes. Such as (scale, health, AI, attack, e.t.c.)
Mobs Devolve
Mobs devolve into weaker mobs when killed, with trigger function to change multiplier.
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.
wolf pack control
allows you so sit/unsit all dogs/cats in 25 block raduis at once, good for people with lots of dogs
Bonehead Aim
Bonehead aim adds a configurable accuracy level for skeletons.
Educate Your Parrots
With this mod, your parrots will remember the sounds they hear and replay them at random moments during gameplay, or whenever you ask them to.
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
The Watching World
A per-player karma score the world reacts to. Kindness (planting, taming, building) earns favor: animals approach, gifts drop, daylight healing. Cruelty earns dread: monsters hunt you and crops grow slower. Server-side, 1.21+ (Paper/Spigot/Bukkit/Purpur).
NoMob-Pigs
NoMob-Pig — Completely removes pigs from your server by preventing spawns and purging existing ones.
Fennec
This project adds a new unique mob for the badlands.
Euphoria Ghasts
Adds the Euphoria enchantment to harnesses, speeding up happy ghasts
Eversource
Ever wanted to have your very own EverSource chicken, like in Minecraft StoryMode? Well, now you can. It's been updated to work with all the new mobs added in 1.21.9...
Rotten Apples
This Datapack Adds Rotten Apples to Minecraft, When you eat one near a mob with a Zombie Variant it Zombifys
Tech's Token
A Token Plugin by @TechadronGamingYT
banchick
Disables chickens from hatching out of thrown eggs.
Fixed Mob Explosions
This datapack changes the gamerule mobExplosionDropDecay
quartz to prismarine crystals in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine crystals.
Survival+
Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!
PetCore
Cozy companion pets for Paper: adopt from a YAML catalogue, follow/stay/home behaviour, an owner-defined pet home, bonding with tiers & rewards, cozy cosmetics (personalities, titles, emotes), and token gifts. Standalone, EN + NL.
pet-evolution
A Pokémon-style capture, training, and battling system. Catch wild creatures, raise them through 10 stages of evolution, breed for rarer offspring, and battle other players' pets — all with persistent stats and rarity tiers that survive logout.
Two-Dimensional Foil
A mod that adds a two-dimensional foil weapon from The Three-Body Problem. Drop it to collapse blocks and creatures into an irreversible, mirror-like 2D plane within a configurable radius. Requires Fabric API.
MobGrowing
Mobs fight each other, growing stronger by defeating their opponents.