Minecraft Java 1.21 Mods
Browse 130,767 free mods for Minecraft Java 1.21 — popular picks include DynPlay, TrustVelocityMOTD, CustomGuiReworked.
Step by step: How to install Minecraft Java mods & modpacks
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DynPlay
DynPlay is a server-side mod that adjusts the maximum allowed player count based on CPU load and allows you to change the max player amount without restarting the server.
TrustVelocityMOTD
A lightweight, customizable MOTD plugin for Velocity (1.21 - 1.21.8).
CustomGuiReworked
a simple plugin to create Custom GUI Inventory interfaces with saving data items system
Moss Armor
New moss armor, tools, and even eatable moss part.
Netherlock
A plugin to lock players out of nether dimention
Time Of Day Indicator
Adds a hud label that tells what the time is in game.
PatTheEvil’s Vanilla Tweaks
A lightweight modpack that optimizes performance and enhances vanilla Minecraft without altering core gameplay.
Upgraded Armory
6 New weapons that have unique uses designed for PvP combat.
/run
Adds a command that allows running a command multiple times
Minecraft, but every time you walk, a random item from your inventory gets enchanted! [SKRIPT]
exactly what the title says, just move a block with an item in your inventory and watch it get OP!
Extended Dropper
Droppers can now emulate left clicks.
hydeath
make frustration of losing items upon death, gone
Recoursepack for Danny's AOT
This recoursepack change the skins of the titans and give them a skin that i made
Xaero 地圖繁體中文化資源包
給 Xaero's Minimap 與 Xaero's World Map 模組的繁體中文化資源包。支援 zh_tw 在地化翻譯,全版本相容。
Omni Chest
An Omni Chest is like an Ender Chest, but public for everyone
Tyr's Fluid Void Stuff
A simple mod that changes how the edge of fluids renders in the void. Also can control how far said fluids fall.
The Sad Screamer
The Sad Screamer is a horror mod that is chasing you stalks you and scares you WARNING be aware that the mod is on BETA
Chase the Skies Panorama
The lone ghast cries no longer, and no longer is it lonely. That is if you adopt him to your main menu... and you will. Won't you?
PvP Base Resource Pack
Base resource pack of pvp. Please download and enable to upgrade your experience.
Silly cat panorama
A simple resoursepack that changes the minecraft panorama to an image of a silly kitty
BLACKHOLE CLIENT
The best pvp helper client out there for 1.21.4 minecraft

NoPlayerTag
NoPlayerTag is a lightweight server-side mod for Fabric that hides player name tags to enhance immersion.
Zoni's Unbreakable
Makes every item Unbreakable
Vibration Armor
Netherite-tier armor set from the Deep Dark. Take hits to charge energy, then sneak to unleash a shockwave. Two enchantments: Resonance (multi-charge) and Charge (scaling knockback). Craftable with Echo Shards + Netherite. Requires Fabric API + Kotlin.
AlH Anticheat
Anticheat Plugin specifically targeting freecam/hand noclip hacks
Server PreCheck
A Fabric mod for Minecraft that allows server administrators to control which mods clients may have installed when connecting. Allows for granular control over individual users and their mods.
Flower Enhancements
Protect your flora and fauna from being destroyed by your accidental swings!
Grappling Hook Gadget
A simple data pack that simulates the Grappling Hook gadget from Hypixel server.
DeathLeaderboard
This Mod adds a command that displays all deaths (sorted and formatted) on a leaderboard.
Arqone Frostline
Frostline is a survival-focused Minecraft modpack. Frostline Modpack is meant to be more than just a Modpack. It's a cozy winter experience, a space to connect, relax, and enjoy Minecraft during Christmas times.
White Christmas
This modpack adds many decorations and snow everywhere!!!
Em's Options
Em’s Options is a lightweight Fabric modpack that boosts FPS, sharpens vanilla-style visuals, and adds PvP-focused HUD improvements for smoother, more competitive gameplay.
Whispers of adventure
Modpack somewhere between Vanilla+ and modded, suitable for both experienced players and beginners. It focuses on exploration, atmosphere and aesthetics, transforming the basic game into an RPG without inserting complicated mechanics.
Friday Night Minin'
FNF Mod for minecraft
Robot Gardener
Replaces Iron Golem with a Robot Gardener from the "Castle in the Sky" film
Prehistoric stuff
¡A mod that plans add prehistoric creatures! Created by slendygato 3D modeler GhostyWeb2099 Puffersaur created originally by xndARTSREAL