Minecraft Java 1.21 Mods
Browse 22,236 free mods for Minecraft Java 1.21 — popular picks include Combat Balance, Back On Death, Reversed Trading.
Step by step: How to install Minecraft Java mods & modpacks
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Combat Balance
Change the attribute values of any item, tag or entity.
Back On Death
A simple Fabric mod that adds a one-time death teleport system.
Reversed Trading
A mod makes you can reverse villagers' trade
Luck All Bonus
Luck benefits all chests now
HERE I AM
Can you see me?
Persistent Mooshroom Flowers
Flowers given to brown mooshrooms will persist.
Crying Obsidian Portals
Crying Obsidian Portals is a mod that allows you to create nether portals using crying obsidian!
affigame:Perfect MC
Lightweight modpack focused on creating mechanical systems with a touch of computer science

The SauceLand Mod
Just a mod made for the wonderful people at SauceLand!
Beatable Peacefull Mode
This datapack adds a chance to blaze rod drops as a barter from a piglin, making peacefull mode beatable.
More Diseases & Treatments
The mod adds various diseases, herbs, and infusions for treatment
Instant Replant
Instant Replant adds a one-level hoe enchantment that automatically replants the matching seed from your inventory when you break a mature crop.
Happy Ghast Tweaks
Add some useful vanilla frendly tweaks to the Minecraft happy ghast.
Simple View Distance Plugin
"/vd" command. Allows players to change their render distance on the server
Oozy Codex
A progression-rich Tensura expansion with 248 skills, a Living Registry, Bestiary, Ultimate Echoes, Ascension, and Legacy abilities.
Hidetag | Hide Nametags
Make names invisible. This data pack hides player names.
Orlan's lead everything mod
This mod lets you leash ANY mob!
AlwaysDaytime
Always make your worlds be at Daytime!
Grow A Crop
this mod will have loads of new crops and will later have tools and more features

Faster Boat and Minecart Recipes│更快的船與礦車配方
Added faster recipes for furnaces, chests, TNT, hopper minecarts, and chest boats.│新增了熔爐、箱子、TNT、漏斗礦車和箱船的快速配方。
TSLPing
Can capture all players and average pings and provide a papi

A DeathBan
A light plugin that bans a player when he dies
OAuthLogin
A somewhat useful but difficult to configure login plugin
Shield Break Sound
Play a sound to the attacker when they disable a victims' shield.
NAuth
Authenticates usernames with in-game registration and login revolving around dialogs with almost no commands.
Multiplayer Hardcore Speedrun
Hardcore multiplayer plugin, also for speedruns
Revised Glass
Enhance your Minecraft experience with the Revised Glass data pack, which provides a simple and user-friendly way to recolor your existing colored glass.
EasySwap
A Minecraft Fabric mod that allows a togglable attribute swapping experience with a simple keybind.
L-claim
L-Claim is a chunk-based town claim system developed for Minecraft servers. Players can establish their own towns, protect their land, manage members, and customize their communities with an advanced permission system.
Grassidium
Makes grass alive! Adds the ability for grass, flowers, and ferns to spread and grow based on environmental conditions.

Milkable Players
This mod makes it so players are Milkable, that way it's easy to get rid of Minecraft effects on the go.
GhostBlockFixer
Eliminate ghost blocks and ghost anchors with high-performance packet-level synchronization. Supports 1.8.9 to 1.21.x
Puns
This mod makes the game a trillion times better through the power of puns! Every pun is intended!
Polyenergy
A dead-simple energy mod for Fabric.
Biome Bound Blocks
Certain building blocks can only be placed in their native biome, encouraging architectural harmony with the environment.
Create addon: Info Display
Info Display is an addon for Create that adds two information panel blocks: one for Item Vault, one for Fluid Tank.