Minecraft Java 1.21 Mods
Browse 128,886 free mods for Minecraft Java 1.21 — popular picks include Better Librarians: Reforged, MMDSkin-Bukkit, CompasUP.
Step by step: How to install Minecraft Java mods & modpacks
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Better Librarians: Reforged
Revamps the librarian's trades, mostly adding new books and emerald prices
MMDSkin-Bukkit
Plugin server-side implementation for MMDSkin with encrypted model synchronization.
CompasUP
This mod adds a compass on top with convenient orientation.
Wynnium
This Modpack is to enhance the Game experience on the Wynncraft Server
WonderMage
WonderMage transforms your server into an elemental battleground. Upon joining, players are assigned one of 8 unique elements — Water, Fire, Air, Earth, Ice, Thunder, Metal, or Nature — each with 5 powerful abilities to unlock and master.
ReiMazined
A client-side modpack focused on performance, visuals, and QoL.
Eymistaken's Zoom
An experimental project to test Eymistaken's HUD API
More Respawn Anchors Remastered
A simple mod that adds more Respawn Anchors to the game.
PPL Global chat
PPL Global Chat replaces "!" with "/g " for more convenient global chatting on Pepeland.
Deck & Driver
Transforms Jukeboxes into Hi-Fi decks and Note Blocks into rotatable speakers. Right-click to rotate!
EIZZOs-Tokens
A simple economy plugin that allows players to withdraw and deposit money as physical tokens.
Ties edition
A custom resource pack by Ties featuring a new panorama and a clean Mario-style GUI for a fun and colorful Minecraft look.
Vanilla++ w Create
Classic survival, enhanced with Create and QoL mods.
Green Screen Block
An operator-only block that has a use you can expect from it.
Flying_8lack's random mod
A non-vanilla+ mod that add various useful utilities and funny features with no specific theme.
KBMaster
Predict where your enemies will land! KBMaster visualizes mob knockback with a soul-fire pillar, helping you master combat physics in Minecraft 1.21.4.
HeartSwap
A Minecraft plugin that lets players swap their current health with others by right-clicking their player heads.
Mineplus Visuals
Usually, everything is a bit stiff and robotic, but Mineplus Visuals changes that. It makes the world look like a cinematic movie while actually making it run smoother than the basic game.
SimplePunishments
Simple punishment plugin for medium sized servers!

Heartcore (Hardcore Alternative)
(Made for the Heartcore modpack.) Is hardcore too annoying, and survival too easy? Than this mod is for you! Lose hearts after death, regain them by eating a Homunculus Heart!
Unrattify
A fabric 1.21.5+ mod that helps prevent your minecraft account being stolen by bad actors!
Craftable Wither Rose
This data pack adds a crafting recipe that transforms 8 wither roses into 16 wither roses.
DungeonDodge EMI Integration
A mod that adds EMI integration for the DungeonDodge Server. Only for mining, and manually added, so it is not dynamic and may not be up to date.
Nether_wart recipe
Allows you to craft your Nether Wart Block back into Nether Wart.
OLED Saver
Smart HUD hiding to protect OLED displays from burn-in.
ForBuilding
This Modpack is for people who want to build more than 32 chunks with high FPS rates, sacrificing some new blocks from 1.21.8 for performance (⊙_◎) .
MythicItemSync
MythicItemSync keeps MythicMobs items up to date across player inventories after reloads, safely and efficiently.
Superliminal
A Minecraft datapack that recreates the Superliminal mechanics
ilk kristal(Prime crystal)
oyuna 4 yeni maden ve onlarla birlikte gelen alet ve zırhlar.The game includes 4 new ores and the tools and armor that come with them.

RafflePlus
The best add-on for players to organize raffles on your server
pile bunker
A fun excavator, with a different kind of fun than mass destruction.
Yet Another Unnecessary Modpack
A large-ish modpack focused entirely on exploration and building based on 1.21.10 Fabric.
AmazingChat
Modifies the minecraft server chat.
Take My Pixels
An overlay pack that can be used to downscale any other resourcepack (or vanilla)
CirilXD's Journey Mode Terraria Inspired
Research and Duplication of items inspired by Terraria's Journey Mode.
NutritionZ plus | Cobblemon
This datapack aims to add NutritionZ values to the Cobblemon food items.