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Minecraft Java 1.21 Mods

Browse 1,912 free mods for Minecraft Java 1.21 — popular picks include Create: Crushed Concrete, UpgradableHoppersPlugin, Chest Door Lock.

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Create: Crushed Concrete
1.21

Create: Crushed Concrete

Allows the ability to crush all vanilla concrete into concrete powder for the off chance you accidentally turn one too many into concrete. From Dense to dust jiffy quick!

69downloads
UpgradableHoppersPlugin
1.21.11

UpgradableHoppersPlugin

A high-performance, Folia-ready hopper solution that enables tiered, stack-based transfers to eliminate item bottlenecks and lag.

69downloads
Chest Door Lock
1.21.9

Chest Door Lock

Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.

68downloads
Seamless Survival Overhaul
1.21.1fabric

Seamless Survival Overhaul

A modpack designed to enhance and deepen the survival experience, adding new challenges, mechanics, and immersive features.

68downloads
AI Moderator
1.21

AI Moderator

AI-Moderator is a cutting-edge, high-performance moderation system for Minecraft servers (Paper 1.21+). It combines lightning-fast local heuristic filters with the deep contextual understanding of modern AI models (Gemini, OpenAI, Ollama).

68downloads
Create: Kinetic Horizons
1.21.1neoforge

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.

68downloads
ProjectileSpeedLimiter
1.21fabric

ProjectileSpeedLimiter

Limits speed values in Minecraft to reasonable values to prevent a server crash whilst using experimental minecarts.

68downloads
StarStacker
1.18.2

StarStacker

A lightweight dropped item stacking plugin written for StarRaid.Minehut.gg which runs on 1.21.10 (paper)

68downloads
Away From Crafting (AFC)
1.21.4neoforge

Away From Crafting (AFC)

An AFK mod that is simple yet powerful and is designed for a multiplayer environment.

68downloads
Robot's Datapack Tools
1.21.5

Robot's Datapack Tools

This datapack library adds multiple tools which make datapack creation easier.

68downloads
Harbor Folia
1.21

Harbor Folia

A Folia/Canvas port of Harbor for accelerated night skipping on Minecraft 26.1.2 servers.

67downloads
HyskBlockUpdateInhibition
1.21.11fabric

HyskBlockUpdateInhibition

blocking neighbor updates caused by block replacements.

67downloads
give2
1.21

give2

Give any item to any player, instantly. Browse all Minecraft items, search by name, customize enchantments, and target multiple players.

67downloads
GitWorlds
1.21.8neoforge

GitWorlds

A Simple World Version control with Github.

67downloads
Skyblock Infinite: Skybound Spelunking Addon
1.21

Skyblock Infinite: Skybound Spelunking Addon

A Simple Ore Crafting Addon Mainly For Skyblock Infinite but can be used for other things!

67downloads
Refined Fluid Substitution
1.21.1fabric

Refined Fluid Substitution

Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage

66downloads
Climbable Powder Snow
1.17fabric

Climbable Powder Snow

makes it so you can climb powder snow

66downloads
Blaze and caves scoring
1.20.2

Blaze and caves scoring

Adds a scoring system for blaze and caves advancement pack

66downloads
Configurable Cobblestone Generator
1.21.1neoforge

Configurable Cobblestone Generator

Configure lava-water cobble generators with weighted block outputs, vanilla defaults, and optional Create drill support for NeoForge 1.21.1.

66downloads
MAutoBroadcast
1.21

MAutoBroadcast

A high-performance, GUI-driven automated announcement system. Fully customizable intervals and messages with zero performance impact.

66downloads
1.21 GameRules Restore
1.21.11

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.

66downloads
AtomicsLib
1.21

AtomicsLib

This is a library datapack which adds all the annoying things you end up making everytime.

66downloads
Enhanced Recipes
1.21.4neoforge

Enhanced Recipes

Enhanced recipes adds a ton of new must have recipes into Minecraft such as bulkcrafting and faster recepies etc

66downloads
Bagel's Admin Tools
1.21.6

Bagel's Admin Tools

Easy to use admin tools, such as vanish, invsee, announcements, cleanup, and more.

65downloads
cheaper_chunkloader
1.21.4

cheaper_chunkloader

Makes loadstones cheap (one oak button) and you put a dirt block on top of the loadstone to make it the chunk constantly load

65downloads
Create Edition
1.21.1neoforge

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.

64downloads
Optimized Performance Pack
1.21.11fabric

Optimized Performance Pack

This project has every mod that you need to play Minecraft or these mods are also optimize your game even in low end PC

63downloads
SoulChest
1.21

SoulChest

Modern Paper plugin for creating protected death chests with GUI management, teleportation, XP storage, holograms, and inventory recovery, built for performance, reliability, and seamless gameplay.

63downloads
NamVelocityBlockVersion
1.7.10

NamVelocityBlockVersion

A lightweight Velocity proxy plugin to block specific Minecraft versions per backend server. Supports custom commands and ajQueue integration.

63downloads
twinkle popo mod
1.21.4neoforge

twinkle popo mod

it adds twinkle popo realistic pikachu and realistic hellokity

63downloads
Squint
1.21.1neoforge

Squint

Client-side mod for Minecraft 1.21.1 (NeoForge & Fabric). Replace vanilla render cutoffs with per-category distances, optional ultra-far draw, and limits you control.

62downloads
RavenAdminSystem
1.20

RavenAdminSystem

Everything you need to manage your server — in one plugin. No extra setup, no hassle. Install and start working.

62downloads
Piece
1.21

Piece

Piece is a high-performance Minecraft 1.21 RPG combat plugin that transforms your server into a competitive MMO-style PvP experience. It introduces deep progression systems, , bounty hunting, stamina-based combat,

62downloads
FurnaceEditor
1.21

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.

62downloads
AltWorld
1.21

AltWorld

AltWorlds is a Minecraft plugin that lets players create and manage personal worlds with a GUI.

62downloads
Furnaces Revival
1.21.4

Furnaces Revival

Adds new furnaces that introduce new mechanics to minecraft! The project is WIP

62downloads