Minecraft Java 1.21 Mods
Browse 3,633 free mods for Minecraft Java 1.21 — popular picks include MySilkSpawners, Chroma Captions, Acid Water.
Updated daily
MySilkSpawners
Take your spawners wherever you want. Enchant your pickaxe, mine any spawner without destroying it, and rebuild it somewhere else, with cost and drop chance fully tailored to your needs.
Chroma Captions
Highlights hostile mob subtitles.
Acid Water
Water is now dangerous, both to you as the player, and any mobs as contact with water, or rain will apply the wither effect.
Shizophrenia
Makes you question everything.

HypeTrade
A modern plugin that allows players to trade items and money through a real-time interface, featuring an animated countdown system and advanced exploit protection.
Axolotl Sterilizer
AxolotlSterilizerFabric - is a server-side Fabric mod for Minecraft 1.21.11 that allows you to sterilize axolotls and prevent breeding.
RedstoneSpawnersReloaded
RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.

Craftable petrified oak slab
Added craft to petrified oak slab
Tototerror
Buffs Totodile into a freak of nature
Transmitter Pearl
Have you ever wanted the ability to swap the position of 2 mobs with one simple device?
我的伙伴
本模组添加了一只名为"我的伙伴"的宠物狐狸。它会认你为主、跟随你冒险、免疫所有伤害,还能帮你打开末影箱。登录游戏时自动获得,无需合成。This mod adds a pet fox called 'My Companion'. It recognizes you as its owner, follows you on adventures, is immune to all damage, and can help you open Ender Chests.
Panda Paws
Adds Panda Paws to the game, use them to climb, move and take care of your enemies!
UltimateSouls
When you kill your enemies you capture their souls and become strong ......
Simple Battlepass
Simple Battlepass for servers that have PVP or anything!
P_Comandos
A plugin for commands in items!
Elemental Mob
Elemental Mob gives creatures elemental identities, combat traits, themed status effects, resistance potions, and elemental enchantments.
Withering Wanderers
This project adds more use to a theme of wither mobs, a new use for soul sand, new use for glow berries, and overall a more unique experience in 1.21.1!
Pigfull Portals - Bedrock Goldfarms
The great and famous Bedrock Edition gold farm functionality but now on JAVA edition ! (check description)
Actually Faithful Steeds
A datapack that makes your faithful steed actually faithful by staying near where you dismounted.
Progression Reshuffled
A mod that focuses on reworking Minecraft's Progression, from Mob Tweaks to Tool Rebalancing
Radiation Poisoning
This mod aims to be a challenging standalone experience that puts the player in the aftermath of a radioactive fallout.
villager plus
This project adds new professions to the residents (14 pieces) to such items as: chest, beehive, stove, enchantment table, target, music block, turntable,caster,chalker,bookshelf, patterned base, bee nest, anvil and workbench.

Craftable Mob Eggs
With this project you can simply craft mob eggs. Perfect for survival worlds!
Pesky Vexes
Datapack that makes vexes not die after 5 min when named preserve
cobblestone to prismarine shards in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine shards.
vanilla gunpowder crafting
Blaze Powder + Coal/Charcoal + Bone Meal
Raven Mail
Ravens to deleiver mail to your friends
LiveJava
a VS Code-powered Web IDE that lets you build multi-class, hot-swappable native Java plugins instantly with zero reloads and automatic dependency injection.
Monsterwalll's Bosses And Stuff
A mod I made that adds Bosses, Structures and more! Note that this is my first mod so please comment what you think should be fixed in future mods.
Endorium Mod
Endorium is an end-game expansion mod for Minecraft that introduces a new mini boss, new wood type and new tier of equipment beyond Netherite.
Living Powers
This mods main focus is to provide a small list of powers that the player can obtain for a small edge during fights, or even just normal every day living. (submit an idea and you can have your power added to the mod)
chicken boss
Adds a powerful God Chicken boss that attacks players by spawning creepers and iron golems.
Random stones
This datapack slightly changes the mining process making it a bit less repetitive by adding some random events that can be negative or positive.
TougherThanLlamas
The modern reincarnation of the hardest mod ever created for Minecraft
Harvest In Peace
Harvest In Peace while the monsters rest in peace! Say good bye to all hostile mobs while being able to get hungry, farm and eat.
MobAIReasonDisabler
With this plugin you can disable certain mobs AI , based on the reason they spawned