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Minecraft Java 1.21 Mods

Browse 3,940 free mods for Minecraft Java 1.21 — popular picks include ModernShowcase, AE2 ID Sorter, More storage blocks.

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ModernShowcase
1.8neoforge

ModernShowcase

Advanced glass showcase, display anything with custom angles and extreme lightweight performance.

813downloads
AE2 ID Sorter
1.21neoforge

AE2 ID Sorter

This mod replace sort by mod to sort by ID in AE2 Terminal.

799downloads
More storage blocks
1.21

More storage blocks

You can uncraft more blocks for better memory management

798downloads
Mecânicas Classicas (PT-BR)
1.21.4

Mecânicas Classicas (PT-BR)

Adiciona uma variedade de funções e mecânicas de versões antigas do minecraft!

794downloads
NoTotems Plugin
1.18

NoTotems Plugin

Disables Totems of Undying for players

793downloads
Player Manager
1.16

Player Manager

Player Manager a powerful and intuitive Minecraft plugin for efficient player management.

791downloads
SimplePin
1.20

SimplePin

Plugin for registration with GUI interface

791downloads
Sable Assembly Fix
1.21.1neoforge

Sable Assembly Fix

Fixes item duplication during Sable assembly/disassembly by preventing non-Clearable block entities from dropping their contents. Works with any mod - Keg, cabinets, baskets, Item Drains, Sophisticated Storage, etc. No configuration needed.

790downloads
CleanCraft by ACUL [Neoforged]
1.21.1neoforge

CleanCraft by ACUL [Neoforged]

CleanCraft is a Vanilla+ Neoforge modpack focused on performance, visuals, and quality-of-life. Featuring Sodium, shaders, Xaero’s map, Tom’s Storage, and more—it's perfect for builders, explorers, and smooth multiplayer.

790downloads
Give me More Slab (GMS)
1.21.8fabric

Give me More Slab (GMS)

GMS is a simple and practical Minecraft mod that expands building possibilities by adding slabs for many more blocks.

789downloads
StorageBox Adapter
1.21fabric

StorageBox Adapter

StorageBox mod addon that able to import to/export from StorageBox

788downloads
yyz's Backpack + Cobblemon GUI
1.18

yyz's Backpack + Cobblemon GUI

Textures for each backpack to use alongside Cobblemon Interface!

787downloads
HerrShulker
1.21.11fabric

HerrShulker

HerrShulker is a fork of the popular MrShulker mod, bringing compatibility to MC1.21.10+. The mod allows players to craft Shulker Boxes with another Item on an Anvil so that the Item will display on the Shulker Box as a label when placed in the world.

786downloads
PlayerInv LightWeight
1.12

PlayerInv LightWeight

Support Module items and NBT items ( give player more vaults )

786downloads
Super Source Block
1.21.1neoforge

Super Source Block

Adds infinite source blocks for almost everything.

783downloads
Ominous Chest Lock (& Lock Picking)
1.21

Ominous Chest Lock (& Lock Picking)

Paper plugin (1.21.0 –> 26.2) and Fabric server mod (1.21.11 + 26.2) that locks any container to a named Ominous or regular Trial Key, with an optional lockpicking minigame!

782downloads
LockyLocks
1.21.1neoforge

LockyLocks

Secure your treasures with durable locks and forged keys, a personal touch of protection.

780downloads
3x3 Hotbar
1.21fabric

3x3 Hotbar

Adds a configurable 3x3 hotbar to your game

780downloads
Convenient Containers (ConCon)
1.21.11neoforge

Convenient Containers (ConCon)

Serverside mod for convenient, portable containers and workstations supporting Fabric and NeoForge.

779downloads
FastHopper
1.21fabric

FastHopper

It makes hoppers transfer items faster! Use: /fhopper hopperItemsPerTransfer [1-64]

777downloads
Dead Body
1.21

Dead Body

The Most Advanced Realistic Lootable GUI Corpses Graves and Dead Bodies for Mobs and Players in Minecraft! + PVP Logging Solutions & More

776downloads
unbound items
1.21.11neoforge

unbound items

Unbound Items expands item stack sizes up to four times their original limit, capped at 256.

774downloads
Polymer Digital Chests
1.21.11fabric

Polymer Digital Chests

Digital Chest adds advanced, server-side storage that works with vanilla clients (thanks to Polymer). Build linked storage networks, search/sort huge inventories, automate input/output,

774downloads
SIR
1.8

SIR

A simple chat plugin that have a lot of functions to customize your server.

774downloads
Data Command Plus -storageplayer, Concatenate, Loot
1.21.1fabric

Data Command Plus -storageplayer, Concatenate, Loot

use the /data command to concatenate strings, and use storage for each player

773downloads
Give Item
1.20.1forge

Give Item

Add the mechanic of sharing objects with your teammates, without the need to throw them.

772downloads
GeyserAutoUpdate
1.8

GeyserAutoUpdate

A Geyser extension that autoupdates extensions and geyser itself.

769downloads
Empty Shulker Nesting
1.21.11fabric

Empty Shulker Nesting

Allow you to put empty shulker boxes into another shulker boxes to make more space

768downloads
Elements Spear Plugin
1.21

Elements Spear Plugin

Minecraft Spear with magical abilities Epic plugin for your smp

767downloads
Compressed Box
1.21.1neoforge

Compressed Box

Create Compressed Boxes to gain space in your base

766downloads
CobbleBob: A Pokémon Adventure
1.21.1fabric

CobbleBob: A Pokémon Adventure

Welcome to Cobblebob: A Pokémon Adventure! This pack is focused on one thing and one thing only... filling out the Pokédex. For the adventurers, there are dungeons and backpacks. For the builders, there are many different building centered mods.

763downloads
Cabinets
1.21.1neoforge

Cabinets

This mod adds cabinets

759downloads
Wooly String
1.21.1neoforge

Wooly String

A mod that simply adds the ability to craft wool into string

757downloads
CryBackpacks RP
1.21.8

CryBackpacks RP

The official vanilla-friendly 3D resource pack for the CryBackpacks plugin. Required to display custom backpack models on your server.

754downloads
Azurite/Bluewood mods
1.21.4neoforge

Azurite/Bluewood mods

此模组简称A/B ms|This module is referred to as A/B ms 此模组现已全部完成!(后续会根据反馈的问题进行整改) This mod is now complete! (Rectification will be made according to the feedback in the future)

752downloads
Falcon Spawners
1.21

Falcon Spawners

A powerful Minecraft spawner management plugin with economy integration, interactive GUIs, and persistent storage. Buy, sell, and trade mob spawners with Vault support. Based on DonutSMP Spawners.

751downloads