Minecraft Java 1.21 Mods
Browse 129,959 free mods for Minecraft Java 1.21 — popular picks include Laser Placer, The Prison Realm, AvM Staff data pac.
Step by step: How to install Minecraft Java mods & modpacks
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Laser Placer
Laser Place allows you to instantly place long vertex with the simple click of a button. Speeds up path building, and improves a builder's life :)
The Prison Realm
The Prison Realm can trap players and Monsters.
AvM Staff data pac
A data pack that adds a powerful staff with multiple magical abilities and custom effects
Enhanced Worlds
The best experience in Minecraft you will ever see! Your one stop to enhanced worlds.
PerplexedClientUtils
A bunch of clientside QoL mods for players
Broken Stones│碎裂的石頭
Stone slabs and stone stairs will break into cobblestone after being destroyed, and can be restored to their original state through a furnace.│石頭台階和石頭樓梯被破壞後會碎成圓石的,並且可以透過熔爐恢復原狀。
Diamond's Shiny Mobs
Like shiny pokemon but for Minecraft mobs!
broken textures
Makes every texture "broken"
Piglins to Bokoblins
Turns Piglins into Bokoblins from the Legend of Zelda series!
Poofy's Craftable Grass Blocks!
This Mod Makes Grass Blocks Craftable using Wheat Seeds and any Dirt!
Create-Themed Happy Ghast Goggles
Gives your happy ghast Engineer's Goggles from Create!

Music Discs Mod
Adds 20 new music discs to Minecraft!
Glorious Optimized
A Modpack For Optimization! This Modpack Contains Mods for Performance and Experience Enhancing mods.
Bream in the form of a sword/Лещь виде меча
This resource pack replaces the model of all swords in Minecraft, but unfortunately it cannot be used with other resource packs to change models of only swords.
Stance & Step
A Vanilla-like Modpack that enhance your visuals and Animations.
Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
RandomShtuff
The most pointless mod on this entire website. Adds a bunch of unnecessary/unhelpful things to make the game stupendously stupid.
FirstJoinRewards – Welcome Players with Rewards!
Reward the first player who welcomes newcomers!
Complications
Add some new texture to your gameplay with situational tradeoffs.
DynamicSpawnPlugin
Dynamically updates the world spawn point in a spiral or square pattern outward from the original spawn location. The spawn moves at a configurable interval based on tick and/or respawns, allowing the world to expand gradually over time.
FastGrowth Netherite Hoe
Right-click on crops for fast growth with a netherite hoe.
Vine boom sound effects(Passive mobs)
A texture pack that changes all sound effects of passive mobs to the vine boom sfx
Armor Stand Storage
Armor Stand Storage, is a plugin that allows the user to place item's within a Armor Stand!
EntityBlocker
A plugin to block mob in black-list
KLAUS
simple mod that adds an evil santa klaus bossfigh
Stan's deathshot
A Minecraft mod that automatically takes a screenshot whenever you die, saving it along with your coordinates in a neat little folder.
NetherRoofBreakthrough
Never get stuck again on the Nether roof! find 1 block thick spots easily.
BlockBoost
The best way to optimize your minecraft client !
better sniffer
the new gen of the old sniffer !
Craft TNT from Gravel
This data pack allows you to craft TNT from gravel and gunpowder. The sand recipe is also kept so it allows you more choice when crafting TNT.
CompSoc Vanilla Enhanced
Suggested mods for playing on the Computer Society's vanilla Minecraft server. These mods are not required, but provide a better experience playing vanilla Minecraft.
Hellish Skeletons
Makes Skeletons look more hellish
Arabic Numerals
Replaces Latin numbers with Arabic numbers

Hatched
Eggs laid by chickens will have a chance to hatch
Cobblemon Arena - Lite
Lightweight client modpack for Cobblemon Arena with a minimap, voice chat, zoom, optional shaders, and performance optimizations.
Better Furnaces - old versions
Better Furnaces - old versions is a datapack that improves a lifetime [1.16.x - 26.3]