Minecraft Java 1.21 Mods
Browse 3,935 free mods for Minecraft Java 1.21 — popular picks include StackMore, Minecarts with Blocks, Auto Stack.
Updated daily
StackMore
StackMore is a Paper plugin that allows players to compress more than 64 blocks into a special oversized stackable item, breaking the vanilla stack limit while preserving visual identity and placement logic.
Minecarts with Blocks
put a block in a cart! survival friendly!
Auto Stack
Automatically merges nearby dropped items into stacks
AccessSaves
This mod adds a button that opens your world saves folder.
MegaEssentialsLite
MegaEssentialsLite is a lightweight but feature-packed Paper 1.21.x Essentials-style plugin with moderation, homes, warps, TPA, economy, GUI shop, Discord integration, maintenance mode, vanish, utility commands, and SQLite-backed data storage.
RXVY SPAWNERS
RXVYSpawners is a high-performance Java plugin that features virtual loot storage, intelligent spawner stacking, and an all-in-one management GUI for optimized mob farming. If you have any questions or need support join https://discord.gg/Xx8h2Th8qv
Recolourful Dark x Beans Backpacks
This is a compatibility resource pack between Recolourful and beans backpacks.
No Chest
This mod removes all chests from Minecraft, so you can’t craft or place them anywhere. Storage becomes way harder, and you have to rely on other methods to keep your items safe.
Todo-Plugin
A to-do plugin for Minecraft that works from version 1.21.5 onwards. It is a Paper plugin that allows you to assign and complete to-dos.
Hushed Storage
Provides a (Hushed) version of many blocks to make hidden storage and custom maps more fun
Bamboo Unpack
Lets you cut Bamboo Blocks into Bamboo using a stonecutter. Simple and survival-friendly.
UIM - Only Hotbar (osplo version)
Inspired by Old School Runescape's Ultimate Ironman mode, this datapack restricts your inventory and storage options (original version by osplo)
ResidenceBridge
Cross-Server Residence Bridge Plugin, Seamlessly share Residence data across Velocity / BungeeCord multi-server networks
AggStack
AggStack allows you to store multiple items with the same ID but different NBT data (durability, enchantments, etc.) in a single inventory slot, with an expandable panel to view and manage all sub-items.
DeathChestPro
Simple death chest plugin! Drop all of your items onto a chest when died.
Viv's Vending Machines
Vending Machine Datapack
Crafted Ores
Tired of using silk touch for your ores? Well now you can craft them!
Immersive Interfaces - Modded Storage Compat
Replaces vanilla container GUIs with the Immersive Interfaces Barrel GUI for Farmer's Delight, Storage Delight, Handcrafted, and Another Furniture.
AcademyCardAlbum+
A bigger paginated card album for Academy with active card effects and expanded storage.
BetterArmorStands
ArmorStands with arms
DeathCode
A death compensation system with Discord integration. Players receive unique codes when they die and can request their inventory back through Discord with video proof.
Shulker box without end
Allows you to craft shulkerboxes without going to the end uses 7 obsidian 1 chest and 1 diamond
Tracked Items
Tracked Items is an automatic item ownership tracker for Minecraft servers. It marks tools and armor with their original owner, updates the item’s lore as it moves between players or storage, and clearly labels items as ORIGINAL, STORED, or STOLEN
Dungeon Keys & Loot
Adds locked caches, collectible keys, and tiered loot rewards for exploration.
Stelar's Cobblemon 3
A Cobblemon-focused adventure modpack I made for me and my friends. Centered around Cobblemon, it features popular worldgen, storage, and agriculture mods to enhance the Mon experience!
Adaptive Entity Prioritization (AEP)
AEP dynamically reduces lag by throttling mob AI and item merge checks based on server strain.
Chiselable Smooth Quartz
Datapack that adds crafting recipes that allow chiseling smooth quartz block in a stonecutter.
Block Melting
Melt down variations of blocks into their original form
enderchest to obsidian Farm
Fully automated Ender Chest → obsidian farm: places, breaks, stores, restocks, and sells obsidian for you
Mobius
A Vanilla+ expansion featuring a mob leveling system, new ores and gear, lucky bags, and tea brewing.
Xiaoklunar Shulker
Inventory shulker opening + overflow pickup vacuum that stores into carried shulkers.
![Late-Game TSS [Tom's Simple Storage]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/319887.webp)
Late-Game TSS [Tom's Simple Storage]
Tweaks recipes for Tom's Simple Storage so that it requires further progression to craft stuff.
Literally Just Backpacks
I don't know what else to tell you, it literally adds a backpack.
E-Inventory
My high-performance inventory management system for Fabric.
Modern DimStorage
Modern 16x16 Textures for the mod DimStorage
eternal_core_starter
Tired of the hassle of Mending? This mod introduces a new item that directly applies an "Unbreakable" tag to tools and armor, completely eliminating durability loss and making your gear truly eter