Mods for Minecraft Java
Browse 191 free mods for Minecraft Java — popular picks include Traveler's Backpack ATM Upgrades, Resource Compression, Ender Folds.
Step by step: How to install Minecraft Java mods & modpacks
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Traveler's Backpack ATM Upgrades
This mod adds backpacks to the game, like shulkerboxes, but can be upgraded to get more space, this is for those people that likes to travel with all his items
Resource Compression
Save space by compressing Vanilla Blocks.
Ender Folds
Blocks that link together through space
BetterE-Chest
A plugin that doubles your enderchest storage space with customizable rows!

Schmarrn Fireworks
Add Items to special Firework Rockets!
Inmis Renewed
I need more inventory space! A Fabric backpack mod renewed!
InfiniStorage
A simple mod that adds a Barrel with no space limitation
mineral backpacks
This mod will add backpacks of all types of minerals, the rarest ones are the ones that have the most space to store items.
Crimson Planet Mod
Experimental Mod. E
Sniffer period
The mod adds the old days when the great lizards of the “sniffing period” still dominated the earth. While Sniffers were in a very large population on the planet
Compressed Box
Create Compressed Boxes to gain space in your base
Empty Shulker Nesting
Allow you to put empty shulker boxes into another shulker boxes to make more space

IG: Potion Stacker Addon
Tired of potions and stews cluttering your inventory slots and taking up valuable backpack space? Potion Stacker Addon is a dedicated addon for Stack Size Adjuster that allows regular potions, splash
Compressed Coal
Adds compressed coal for save space.
Create Nested Factory
A NeoForge mod for Minecraft 1.21.1 that adds nestable factory spaces and integrates with the Create mod's logistics and kinetic systems.
Simple Backpacks Plus+
This mod adds simple yet convenient backpacks to your world that can hold a variety of items, helping you save inventory space!
Space Saver
Compress resources, save inventory space, and organize materials with compressed blocks, crates, and compact storage items for Minecraft
OpenBucket
Infinite bucket space for water and lava!

Copper Storage
Adds Copper Boxes that work like Shulker Boxes with limited space.
SmartLootManager
Smart client-side looting for Fabric: filter and prioritize every detected item, reserve inventory space, and automate supported containers.
NeoStorage
This is a simple mod that adds a storage to save space in chests
Ad Astra Cargo Rocket [Unofficial]
This is Unofficial Fork of AdAstra Cargo Rockets by BillBodkin. This mod add cargo rocket to transport items across dimension and allow for automation.
FirmaLifeHardCore
A mod that completely overhauls Firmalife's cellar and greenhouse mechanics — no Climate Station required. Enclosed spaces are auto-detected via BFS floodfill with dynamic AABB tracking. Any insulating blocks form a functional cellar or greenhouse.
Fantastic Smelting
A small mod to boost your smelting-experience. Allows you to smelt raw resource blocks, saving you time and space.
Even more Fantastic Smelting
A small mod to boost your smelting-experience. Allows you to smelt raw resource blocks, saving you time and space. Adds various recipes from the furnace to the blast furnace.
Little Adventure
Adds a backpack for extra inventory space, a torch wand for quick lighting, a mine helmet, and changes some item mechanic like holding compass will show coordinates and clock will display time.
Compactible Mob Drops
Now you can compress mob drops into compact blocks to save space!
Maikura Inventory Expansion
Adds configurable extra inventory space with customizable size up to 54 slots.
CommunityVault
A shared vault with unlimited space for all players on the server
PortableStorage Rift
A private, freely accessible dimensional space that allows entry and exit at will.
Item Bundling
This mod allows for the bundling of various items and blocks to save storage space.
Dogs Compact Blocks
Compacts Block to Save you Space

Space Pouch
A private room in the dimension of Emptiness.
ItsJustABackpack
well uhh, its a mod, that uhh, adds a backpack... which gives you like storage space and stuff...
Crafts And Gunpowder
This mod adds weapons like a rocket launcher and other fun stuff like a tnt

Better Leaf Litter
Allows you to combine leaf litter so it uses less inventory space