Minecraft Java 1.21 Mods
Browse 526 free mods for Minecraft Java 1.21 — popular picks include WorldPlaceholder, Chest Door Lock, Chunk Ticker.
Updated daily
WorldPlaceholder
Outputs information about the player's location in the dimension using Placeholder.
Chest Door Lock
Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.
Chunk Ticker
Keeps selected chunks permanently loaded and fully ticking
wHit - PvP Combo System
Lightweight & Satisfying PvP Combo System
ServerTasks
A plugin for Paper 1.21 that automates tasks like restarts, broadcasts, and custom commands with timeline notifications.
Cobalt Age
An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.
Create: Kinetic Horizons
Create: Kinetic Horizons Create: Kinetic Horizons is a high-performance 1.21.1 NeoForge modpack dedicated to the art of mechanical engineering. It strips away the "magic" of traditional tech mods and replaces it with visible, rotating machinery.
CorePerformanceFix x SortSmart
A high-performance optimization plugin focusing on entity-ticking efficiency and automated item-stacking and you can use SortSmart
Kaidon Essentials
A structured essentials plugin built for performance. Core systems with Vault and PlaceholderAPI dependencies, focused on flexibility and integration.
PolyGuard
The Next Generation of Protection is Here! PolyGuard is a high-performance, premium protection plugin!
Smart Compass & Clock
Show coordinates with compass and time with clock. supports minecraft version 1.21x
HandyMaths
This "plugin" is aimed to add mathematics in-game, so you don't have to open up the calculator every time you want to resolve an operation!
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
TrashTweaks
A client-side utility mod with totem cursor assist, FPS/TPS/Ping/Coordinates HUD overlays, player health indicator, performance profiles, and a fully customizable HUD editor. Does not automate gameplay.
JS Runner
The plugin aims to add the ability to run JavaScript files in a Minecraft server.
Amai's Let Me Sleep - Sleeping Mode Plugin
Plugin that adds Sleeping mode (hibernate) to server
Harbor Folia
A Folia/Canvas port of Harbor for accelerated night skipping on Minecraft 26.1.2 servers.
RTP FIXED
Fast and lightweight random teleport plugin. Multiverse support, configurable, and optimized performance.
CherryTeleport
Cherry Teleport Plugin even there is other teleport plugin it will overrides it
UpgradableHoppersPlugin
A high-performance, Folia-ready hopper solution that enables tiered, stack-based transfers to eliminate item bottlenecks and lag.
Extender
Minecraft Command length Extender & Minecraft Custom Function Runner.
Create Edition
This modpack is heavily focused on the Create mod, featuring a large collection of addons and expansions that enhance automation, engineering, and complex mechanical builds.
Ponder lib
give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6
Protect My Redstone
A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.
MAutoBroadcast
A high-performance, GUI-driven automated announcement system. Fully customizable intervals and messages with zero performance impact.
Comfortably Optimized
A modpack that aims to optimize minecraft for both Android, and iOS devices, while also for Windows, Mac, and Linux.
1.21 GameRules Restore
1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.
Ore Assembler
Minecraft mod that adds an Ore Assembler.
NamVelocityBlockVersion
A lightweight Velocity proxy plugin to block specific Minecraft versions per backend server. Supports custom commands and ajQueue integration.
RavenAdminSystem
Everything you need to manage your server — in one plugin. No extra setup, no hassle. Install and start working.
CobbleAstra
Cobble Astra is a compatibility datapack for Cobblemon and Ad Astra, designed to make Pokémon adventures work naturally across the planets. It adds themed Pokémon spawns to Ad Astra planets and many other features.
PalHub Creates
A mechanical tech modpack crafted lovingly by hand for a bunch of cool nerds.
FurnaceEditor
A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.
MoreTabs
Increases the maximum player tabs from 3 to 12
SeasonManager
A powerful, Folia-native server lifecycle engine that automates seasons, phases, and grace periods for modern Minecraft networks. Providing autonomous scheduling with high-performance execution and premium visual feedback via BossBars and Titles.
javaTNT
javaTNT – Realistic TNT explosions with craters, just like vanilla Java, optimized for Paper servers.