Fabric Mods for Minecraft 1.21
Browse 1,193 free Fabric mods for Minecraft 1.21 — popular picks include Backup Scripts, HoloInventory Revived, Jam & Jelly.
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Backup Scripts
Execute your scripts at builtin save system events.
HoloInventory Revived
Revival of the HoloInventory mod: Have a holographic display of items in your containers.

Jam & Jelly
Amazing mod about jam cooking and other related stuff.
Storage Terminal
Storage Terminal in your vanilla world! Totally clientside!
The Heaven Sword and Dragon Saber
Simple auxiliary information display including: Coordinates, Time, Weather, Direction, Backpack sorting with R key, Mass storage and retrieval for chests.
Deepslate Industries
A grounded, progression-based tech mod for Minecraft 1.21.1 built on Fabric. Power your world using the natural strength of Deepslate and Amethyst, and rise from basic smelting to full industrial automation.
Borukva Inventory Backup
This server mod create backup mechanic for players inventory. Support MySQL or file H2.
Simple Grave
Simple Graves is a vanilla Java datapack that protects dropped items after death and guides players back to an owner-locked grave.
Camp Cobblemon - Lightly Modded Cobblemon + Builder Tools
A lightly modded experience for the private server, Camp Cobblemon! Includes tools for builders, backpacks, drawers, and other quality-of-life mods.
Automated Item Frames
Set the item frame item to the most common item on a chest/barrel (automatically).
No More 63 AE2
Remove AE2’s default limit of 63 unique item types per ME item storage cell and replace it with a custom configurable limit.
Inv Hud
Displays armor durability and food count as an in-game HUD overlay.
Quality of Horse
A simple & highly configurable mod for "improving" horses
Piglin Economy
Piglin Economy expands Piglin Trading with their own coins called "Coinks"
Give me More Slab (GMS)
GMS is a simple and practical Minecraft mod that expands building possibilities by adding slabs for many more blocks.
StorageBox Adapter
StorageBox mod addon that able to import to/export from StorageBox
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.
3x3 Hotbar
Adds a configurable 3x3 hotbar to your game
FastHopper
It makes hoppers transfer items faster! Use: /fhopper hopperItemsPerTransfer [1-64]
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,
Data Command Plus -storageplayer, Concatenate, Loot
use the /data command to concatenate strings, and use storage for each player
Empty Shulker Nesting
Allow you to put empty shulker boxes into another shulker boxes to make more space
Suitably Stackable Stew (Port)
Stack stews up to 16! Quick and easy! Port of the original mod by sfort__
Pepsi's Craftback Chest
Uncraft previously crafted items
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.

Fabric Lobby
Fabric Server-Side mod that adds /lobby command to teleport to a configurable location, and another to go back to where you were.
Pet Inventory
This lightweight mod adds personal inventories to tamed pets.
Spamton
Adds items to help run a post office.
Better Chest Drops
With this mod you can drop all items from a chest at once
Iron AI
A customizable AI chat assistant for Minecraft that can learn words, respond to messages, and be taught new responses with simple commands like /ironai teach

Item Counter HUD
A Item Counter Mod that helps you preview you specific items in you inventory
Gear & Tools Back to Ores
Change Your Gear & Tools Back To Ores ( Using a Crafting Table )
Smart Chest Utils
Adds Merge and Sort buttons to chest GUI for quick inventory management.
Smarter Copper Golems
Makes Copper Golems smarter by adding intelligent chest sorting when they transport items - they now organize items by similarity instead of wandering aimlessly.
Beavergames
A lightweight modpack enhancing Minecraft with improved inventory management, advanced camera controls, fullbright, zoom, simple voice chat, and quality-of-life tweaks for a smoother gameplay experience.
StackableTools
Why not stack your tools by 8 ?