Minecraft Java 1.21 Mods
Browse 125,952 free mods for Minecraft Java 1.21 — popular picks include Castles And Outposts, Level Display Optimization, Orbs of the Omniscient.
Step by step: How to install Minecraft Java mods & modpacks
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Castles And Outposts
Castles And Outposts is a Fabric mod that enhances world generation with majestic medieval castles and fortified outposts inhabited by vindicators. Explore dangerous dungeons, defeat hostile guards, and claim these grand structures as your own epic bases.

Level Display Optimization
这个项目优化了药水与附魔的等级显示,将其显示为罗马数字。 This project optimizes the level display of potions and enchantments, and changes the display format to Roman numerals.
Orbs of the Omniscient
Collect the orbs and restore the world to its former glory, fantasy adventure RPG style
DnD Six Attributes
A lightweight extensible DnD-style six-attribute character sheet for Minecraft players.
Focus Audio
Dynamically changes sound volume based on where the player is looking for deeper immersion.
Alkansas Utility
This mod makes sutil utilities to minecraft like dont have to press f in the inventory to put t0t3ms in your offhand.
Vanilla Toggle
This Mod Adds a vanilla toggle addition the default key bind is [V] you can change it in the settings you can toggle on and off
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.

Low-End Mod Pack!
The Best Possible FPS for low end laptops!
Luck's SuperVanilla
A Vanilla+ modpack crafted for the ultimate experience, featuring deep optimizations, quality-of-life enhancements, and a careful selection of structures and shaders. Every mod and resource has been hand-picked and fine-tuned to polish the visuals without
Crouch Grow
A plugin that let you grow crops by crouching.
Capytotem Reborn
Changing your boring totem to a capybara
No Superflat Slimes
Adds a gamerule to disable slime spawning in superflat

Hand Crosshair
Turns your crosshair into a hand!

Apple-ied Inventories!
Expand your inventory size with the power of apple slices! yes, literally!

StaffSuite
StaffSuite adds all necessary moderation tools for your server.
RecipeBookBlocker
Removes or disables the recipe book button in the inventory screen to prevent accidental openings of the recipe book and to keep the inventory interface clean and minimal.
Advanced Accessory System
Allows any item to be placed in the head slot, so you can show off all kinds of ridiculous hats to others—and some hats can do more than just be shown off.
Verdant Leaf Piles Fix
Fixes colour and other errors with generated leaf piles for modded leaf blocks in Verdant.
Last Torch
This is a simple mod that prevents you from placing the last torch in your off-hand.
ItemsAdderAdditions Example pack
Example pack showcasing IAA Features
DailyEvents
Every Minecraft sunrise, a new random rule is selected and announced to all players. The rule stays active until the next sunrise. Only one rule is active at a time. The last 2 rules are remembered to prevent repeats.
Lactose Intolerance [Milk Nerf]
Nerfs the ability to remove effects by drinking milk.
[1.20 - 26.1] [GUI] CustomEnchantmentsMakerLite- create your custom enchantments
✨Create custom enchantments in ingame GUI ✨
Field of Memories - Waterflame (Music Disc Resource pack)
This resource pack replaces the disc 13 texture and song with the Field of Memories song and icon. Song is made by Waterflame obv

NoBeefSteaks
NoBeefSteaks is a mod that applies negative effects when someone tries to eat beef.
ForceRaidHard
Force raid to be in hard mode even if you do not play on hard.
UltraSpace
Create spacesuits to allow players to travel to custom worlds
Lunnara login
A secure authentication plugin for Minecraft 1.21.x. Players must register and login with BCrypt-hashed passwords. Full lockdown until authenticated. Admin tools included. Works on Spigot, Paper, Purpur, and all forks.
SimpleCometElevator
Just place 2 blocks. A simple elevator plugin for Minecraft(Paper)
Cadaver
Your corpse is left behind when you die, safely containing all of your items!
Client+
A build created specifically for playing on servers without mods

Draft GUI: Alt. storage
Draft GUI: Alt. Storage is an add-on for Draft GUI that removes "Item" labels from storage slots, such as chests, shulkers, barrels, and others.
Villagers Extra Professions
Villager Extra Professions is a compatibility resource pack that adapts the professions from More Villagers: Re-employed to work with the villager models from Villagers [Male and Female].
Dungeon Keys & Loot
Adds locked caches, collectible keys, and tiered loot rewards for exploration.
ModGuard
ModGuard is a modern moderation plugin for Minecraft servers with commands like /timeout, /warn, /kick, /ban, /mute, /userinfo, /freeze, and more. It provides simple and powerful tools for admins and moderators.