Minecraft Java 1.21 Mods
Browse 2,773 free mods for Minecraft Java 1.21 — popular picks include Symbiosis, Ombre de Bushy, Noelle's Quality of Life.
Updated daily
Symbiosis
[ECModjam] Merge alchemical plants together and see what happens!
Ombre de Bushy
Grows a danger zone that slowly kills players
Noelle's Quality of Life
Crouch to plant berries, strip logs, and path dirt! You can also repair damaged anvils with 8 iron and chipped anvils with 4 iron!
IceIntoWater
Turn Ice into water by right-clicking!
DolphinsWithGills
Prevents dryout and drowning damage for dolphins
GlyphVM
A minecraft mod similar to hex casting and Trickster . Magic programming with elements of engineer programming and a stack. (In development)
Mace Glitch Fix
Fixes the glitch where players abused ghost blocks to keep their mace damage bonus
V's Lucky Block Engine
A Command driven Lucky block engine for 1.21.10
UnlimitedEnchantPlus
UnboundEnchants is a Paper 1.21.x plugin that removes vanilla enchantment limits, allowing players with permission to apply unsafe and overpowered enchantments like Sharpness 100 or Knockback 10 on any item. It includes a simple /unboundenchants:unenchant
InteractiveImage
Turns ImageFrame maps into interactive UI panels — hover detection, visual effects, and click actions, all configured in-game.
Soul Alchemy
This datapack was originally created as a way for the player to modify their own attributes in a Survival world. This datapack has since expanded to a couple more things to do with the player modifying themself of close items/objects.
CubeGen
Instantly create, customize, and manage unique cubes for your Minecraft world!
Mage Smp Datapack
This Is A Datapack With 8 Different Wands That All Have Special Abilities.
Size changing potions
A pretty simple but effective mod that adds size changing potions, which does NOT use pekhui! Try not to make yourself too big or... *windows error noise*
Mythical_sword
This mod adds a mythical sword. Funny for manhunts.
Random Supply Box
Random Supply Box – Indestructible loot boxes spawn every 2 minutes with rarity‑weighted random items. Vanish after 10 minutes.
DTC - Destroy The Core
A competitive PvP event where players must destroy the core to earn rewards.
Soul lock
A mod that lets you lock your soul to be a "god"
Haunted Environment
Doors, glass, torches, it's like everything you touch is haunted.
Hextech Armory
This first alpha version of the Hextech Mod adds the Atlas Gauntlets and Mercury Hammer with working mechanics like blocking, dashing, projectile negation, and heavy damage. The gauntlets also have 3x3 mining in offhand. Players can now start crafting Hext
Portable allays
A mod improving the portability of allays
Forged Beyond Netherite
A NeoForge 1.21.1 mod that adds Enderite - a new tier above Netherite - and gives every armor trim pattern a unique ability.
Wither Rose Tweak│凋零玫瑰調整
Wither Rose's damage rate is changed to 1 second.│凋零玫瑰的傷害速率變為1秒。
SmashDamage
A small concept plugin that takes Smash Bros.'s fatigue mechanic and tries to implement it in Minecraft (with knockback).
NoInsomnia
Prevents phantoms from spawning in the nighttime
NoFireDamage
Prevents damage from burning sources.
Magically Engraved
Bridges the gap between modern Minecraft tech and ancient magic. Use your life-force to change reality.
CasterOS
CasterOS is a cross-platform Minecraft magic plugin for Paper and Sponge servers. It features immersive spell casting, dynamic magic mode, and easy spell management with YAML files—making it simple to customize and expand your server’s magical experience.
Xenith's Beacon Infused Armor
Infuse Beacon effects into Armor!
Elomod
An expensive survival & tech mod adding cameras, monitors, thermal vision, new ores, and more !
Teleporting Ender Chests
Makes ender chests teleport when you aren't using silk touch
CatalystMC
CatalystMC revolutionizes your SMP with 14 craftable classes, each featuring custom active abilities, passives, and devastating Dynasty Ultimates. Master unique playstyles; from the time-bending Chrono to the tanky Titan; and dominate the battlefield with
Lumi - Player Locator
Lumi - Illuminate your friends, With this mod, when you right click glowstone it makes all nearby players glow, helping you easily locate friends along the way.
One Hit Punch
This mod adds a fist ( weapon ), with whom you can kill anyone! Even the Warden!
Conquest Online
The "Conquest Online" Mod is part of the "Soncresity: Conquest Online" Modpack and also part of the Soncresity Universe.
ProgressionDungeonRW
Replayable dungeon runs with modular generation—built for RPG progression and reward loops.