Minecraft Java 26 Mods
Browse 12 free mods for Minecraft Java 26 — popular picks include CB: Compressed Blocks, DoubleEnderChest, Stackraft.
Step by step: How to install Minecraft Java mods & modpacks
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CB: Compressed Blocks
A Block and Item Compression mod for Minecraft. Compress your Blocks and Items to make more free space (up to 3.486.784.101 Blocks / Items in just one single Block!)
DoubleEnderChest
Makes Ender Chests have twice as much space.
Stackraft
Compress farm items like sugarcane, gunpowder, and more to save space. Works with the new Auto Crafters. Perfect for managing large farms and keeping your inventory organized.
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
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
Block Compressors
Chest space won't be an issue with this module! Use a Block Compressor to compress stacks of items, turning a stack of items into a single item for long-term storage.

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
SmartLootManager
Smart client-side looting for Fabric: filter and prioritize every detected item, reserve inventory space, and automate supported containers.

Better Leaf Litter
Allows you to combine leaf litter so it uses less inventory space
Personal Spaces
Personal dimensions for every player on the server.
Bundle plus
Bundle+ is a plugin that adds extra space in your bundle and easy to handle gui and smart storage system
CompactResources
Provides various way(s) of compacting inventory spaces