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Minecraft Java 1.21 Mods

Browse 3,935 free mods for Minecraft Java 1.21 — popular picks include ItemStackProMax, Traveler's Backpack Overhaul, [MODIFIED] Cobblemon: Essentials.

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ItemStackProMax
1.21.6fabric

ItemStackProMax

A utility mod that allows stack size modification.

15kdownloads
Traveler's Backpack Overhaul
1.19.4

Traveler's Backpack Overhaul

A resource pack for Traveler's Backpack mod.

15kdownloads
[MODIFIED] Cobblemon: Essentials
1.21.1neoforge

[MODIFIED] Cobblemon: Essentials

The perfect balance between performance, yet still packed with features! CREATE, Backpacks, QOL, & More!

15kdownloads
Evil Seagull
1.21.1neoforge

Evil Seagull

The seagulls in Alex's Mob mod can steal food from your ME Interface block and SophisticatedBackpacks.

15kdownloads
Create: Marketplace
1.21.8neoforge

Create: Marketplace

A global market board for Create: Numismatics. Register your shops, browse server-wide offers, and navigate to them using Xaero's Minimap.

15kdownloads
Item Editor - Component & NBT
1.21.11fabric

Item Editor - Component & NBT

Client-side item, component and NBT editor for Fabric. Customize held items, edit NBT data, and modify item components via an extensible GUI.

14kdownloads
LootRestock
1.21.11fabric

LootRestock

A lightweight Fabric mod that automatically restocks loot chests after a configurable amount of time has passed.

14kdownloads
Kelka Backpack
1.19.2forge

Kelka Backpack

Backpack/рюкзак

14kdownloads
JJs Engineer Mod (Maschinery, PVP, Decorative...)
1.21forge

JJs Engineer Mod (Maschinery, PVP, Decorative...)

Engineer, Combat, Ores and Recources and Decorative stuff for 1.12-1.20

14kdownloads
World Loading Tweaker
1.21.5

World Loading Tweaker

Allows you to change the spawn chunk radius of Minecraft, either speeding up loading or improving spawn quality

14kdownloads
Condiments
1.21.1neoforge

Condiments

A variety of Vanilla+ features to add some extra flavor to your modded Minecraft game!

14kdownloads
AlixSystem
1.12

AlixSystem

Login (Command, PIN, Anvil, 2FA) | AntiBot (Advanced) | AntiVPN

14kdownloads
ChestSort
1.16

ChestSort

Effortlessly sort your chests with a double-click!

14kdownloads
CheesePurse [Numismatic AutoLoot]
1.21.1fabric

CheesePurse [Numismatic AutoLoot]

Auto-deposits Numismatic Overhaul coins into your purse when you pick them up. One toggle button in your inventory, zero hassle.

14kdownloads
Clay Overhaul
1.21.1neoforge

Clay Overhaul

Add new uses to Minecraft clay!

14kdownloads
Better Copper Golem
1.21.9neoforge

Better Copper Golem

Make Copper Golems much smarter sorters with chest content memory. Add support for barrels, shulkers and most modded storage. Fine tune potion sorting and every Copper Golem attribute.

14kdownloads
PerformanceX
1.19fabric

PerformanceX

Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.

14kdownloads
JoaCarpet
1.21fabric

JoaCarpet

A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)

14kdownloads
Leather Bundles
1.21fabric

Leather Bundles

Because the normal recipe just kind of sucks!

13kdownloads
Heavy Inventories
1.21.1neoforge

Heavy Inventories

Add a little heft to your items!

13kdownloads
EconomyGUI
1.16

EconomyGUI

Economy GUI a powerful and intuitive Minecraft plugin for efficient economy management using a beautiful GUI!

13kdownloads
Chest on a Stick - Portable Chests
1.21.8neoforge

Chest on a Stick - Portable Chests

Adds a portable hand-held chest (on a stick) that you can open by right-clicking with it in your hand.

13kdownloads
Liquid_Fuels
1.20.1forge

Liquid_Fuels

A highly customizable solution for converting liquid into conventional fuel

13kdownloads
Wet Backapacks
1.21.1fabric

Wet Backapacks

A Backpacked addon, adding many different backpacks with their own themes and challenges to unlock!

13kdownloads
Vercte's Satchels
1.21.1neoforge

Vercte's Satchels

Inventory Expansion & Hotbar Fortification

13kdownloads
Copper Nugget
1.21.2fabric

Copper Nugget

Adds Copper Nugget

12kdownloads
ProjectCell
1.21.1neoforge

ProjectCell

Added cell that link projecte and ae2

12kdownloads
Cobblemon Marks
1.21.1fabric

Cobblemon Marks

Cobblemon Marks is a Cobblemon side-mod that adds obtainable marks from the mainline games.

12kdownloads
FastPipes
1.20.1neoforge

FastPipes

Fast item, fluid & energy pipes with smart sorting, pipe terminal, tiered barrels, and waterlogging. Supports JEI & Jade.

12kdownloads
Strings - Chat Plugin
1.16

Strings - Chat Plugin

Customizable chat plugin featuring: Channels ▪ Formatting ▪ MiniMessage ▪ Emojis ▪ Moderation Utilities ▪ World & Proximity Channels ▪ Mentions ▪ Message Deletion ▪ Broadcasts ▪ Join/Leave messages ▪ Developer API ▪ Much More

12kdownloads
Open In Inventory
1.21.1neoforge

Open In Inventory

Open guidebooks, backpacks, handhelds and more with a single click in inventory

12kdownloads
Create: Springs
1.21.1neoforge

Create: Springs

Store rotational force using springs!

12kdownloads
Tom's Simple Storage NBT Fix [JEI]
1.21.1neoforge

Tom's Simple Storage NBT Fix [JEI]

A tiny, client-side bugfix addon for Tom's Simple Storage Mod + JEI.

12kdownloads
Modular Backpacks
1.21.1neoforge

Modular Backpacks

Adds Backpacks and Modules that can be slotted in them for different functionality.

12kdownloads
Cell⁴
1.21.1neoforge

Cell⁴

One cell. Infinite resources. Any filter you need.

12kdownloads
Sophisticated Storage Plus
1.20.1forge

Sophisticated Storage Plus

Allow Sophisticated Storage's Barrel/Chest/Shulker Box to exceed the default limits of 180 inventory slots and 10 upgrade slots via config, which means you can even have a barrel with 1,440 item slots!

12kdownloads