Minecraft Java 1.21 Mods
Browse 126,447 free mods for Minecraft Java 1.21 — popular picks include Random Block Placer, Whack-a-Mole, MCA Hat Layer Fix.
Step by step: How to install Minecraft Java mods & modpacks
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Random Block Placer
The Random Block Placer datapack adds a single new item of the same name. It works very similarly to Quark’s Trowel, being able to place blocks randomly from your inventory. Highly configurable to be the perfect building tool!
Whack-a-Mole
A game plugin with economy support
MCA Hat Layer Fix
Suppresses the MCA Reborn villager hat skin layer when a helmet is equipped, eliminating z-fighting and texture flickering.
Scoreboard Health Indicators
Displays scoreboard-based health values as clean, visible health bars above players and entities, even when internal health is hidden.
Lingua Mundi
Learn the Language of the World, build modular spells, enjoy fantastic visuals.
Bassier Sounds
Makes all the Minecraft sounds bassier!
MadCat's Hitboxes
Turn off the hitbox of every single entity in the game!
Deadly Weather Helmets
Fork of DeadlyWeather by NichtElias. Added the Helmets mechanics
Collision
Coolest Vanilla inspired Minecraft 8x8 resource pack

HeartLess Horizon
A plugin inspired by the HeartLess Horizon Series
LivesSMP
LivesSMP, a plugin where players start with a limited number of lives. Each death reduces their lives, and losing them all results in a ban until revived by another player using a custom-crafted Revive Crystal.
LanternLib
A library mod for RedCraft86's mods
Maxwell Totem of undying
Adds an animated texture of a spinning cat to the totem's place, and adds music when it is used.

Red bricks - programmer's art edition
Replaces clay bricks with red ones for more accurate medieval builds - programmer's art edition
Diamond Spells
A custom wands datapack with gacha mechanics. Adds 25 new wands.
Realistic Fishing
Reel in live fish!
IPGuard
Raise the protection of your players one more level on your server!
Aeroworld
Rethinking world generation for a better travel experience in Create aeronautics
OnlyCraftOnce
Do you only want two maces on the server? Are you annoyed by the idea of unlimited items? Then this mod is for you!
Cobblemon Flying Fix
do you like being disconnected in a server while flying welp im sorry but thats not what this does. this mod bassicly just gives slow falling while you join so when you do get disconnected you won't die of fall damage
Restore the Classics
Old grass sounds, old dirt sounds, old clouds, old dye texture, old chest and copper chest sounds, and removed end flashes.
xAntiIP - Block IP Sharing in Minecraft Server
Advanced IP, Domain & Ad Protection for Modern Minecraft Servers
Hei dagger & mask
dagger and mask from anime Darker than black
OTBWG - Farmer's Delight - Bark Cutting Compat
Adds Compatibility Between Oh The Biomes We've Gone & Farmer's Delight
Structory - Multi Blocks Structures [FREE VERSION]
altar, structures, magic

Limitless
A light fabric modpack focussing on performance, QoL and compatibility. Supports Optifine-exclusive texturepacks.
Create: Waterparked
Build real waterparks with fully customizable slides!
Emojis Blocks
add emojis block to minecraft
Invisible Pumpkin Blur
Removes the pumpkin blur overlay, making the screen effect fully transparent.
Create: Golden ticket and chocolates
Golden tickets and chocolate from Pan Da Yang
Gingerbread Totem
A Simple Resource Pack That Changes Totem Of Undying To Gingerbread Man
Diverse Fishing
Encourages Fishing by adding Biome-Specific & Structure-Specific Fishing Loot, rewarding you more if you Fish in different Places!
Entity Capture
EntityCaptureMod allows players to capture any living entity (animals, mobs, etc.) using a Pokéball-like item. Store mobs in your inventory and release them wherever you want. Perfect for mob transportation or collection!
Wool Stairs & Slabs
Build now with wool stairs & slabs and keep them when the update comes! Mod not required then
Very Moist
Adds the intermediate levels of moisture to farmland.
Official Survival Plus
Survival Plus is a mod that adds features that make your Minecraft turn into another game, in a style of RPG and exploration