Minecraft Java 1.21 Mods
Browse 433 free mods for Minecraft Java 1.21 — popular picks include No Ominous Banners, GG Backups, Cardboard box shulkers.
Updated daily
No Ominous Banners
Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance
GG Backups
A lightweight and reliable inventory backup system for your Minecraft server.
Cardboard box shulkers
A resource pack that replaces all shulker boxes with cardboard boxes sealed with matching colored duct tape. It works without Optifine and perfectly fits a warehouse or storage room aesthetic.
"E"
E (A data pack that re-works the crafting recipes for slabs, trapdoors, planks, pressure plates, doors, and buttons. More is on the way!
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
![BackPack [1.21.1+] | MySQL & YAML | Rank-Based Sizes | Admin Inspect](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/162523.webp)
BackPack [1.21.1+] | MySQL & YAML | Rank-Based Sizes | Admin Inspect
A high-performance MySQL backpack system for professional networks.
OneStackMax
A datapack that makes all items unstackable
MaxEntitiesInChunk
Manage or Restrict the number of entities in each chunk. specially adapt to Mohist Server.| 限制每个区块的实体上限，并适配Mohist。
Virtual Storage
Virtual Storage is a personal storage plugin for Minecraft 1.20+ with up to 16 permission-based 54-slot pages, a customizable GUI, automatic item saving, admin storage access, Discord webhook support, and Paper-compatible server support.
Void Cleaner
VoidCleaner automatically and intelligently cleans up dropped items, projectiles, vehicles, and mobs from your server, storing them in a special "void" (storage).
cbgsoptimizasion
so its hella hella powerful plugin needs to optimize your mc server about %20 to %30 percent depending on the player/redstone farms count
⚡ Taberna Storage ⭐ Ultimate Optimized Storage System
The ultimate and optimized sorting and storage system for your Minecraft server!
YogeRegion
A region plugin that is fully optimized, support irregular shape and more advanced flags
Docket
An open source plugin compatiblity scanner and developer helper plugin.
TidyDrops
Periodically clears dropped items per-dimension with a bossbar warning and a Lost & Found GUI to recover them. Available in English and Polish.
Inventory Tweaks ReFoxed Mod (1.21.1, 1.20.1) – Auto Refill, Inventory Sorting
Inventory Tweaks ReFoxed Mod is an indispensable tool for Minecraft players who want to streamline and optimize their inventory management. With this mod, managing your inventory becomes effortless. The mod automatically replaces broken tools and replenishes item stacks once they are emptied. This means you spend less time fiddling with your inventory and more time […]
AE2 Additional Opportunity Mod (1.21.1, 1.20.1) – Allows To Use AE2 In A New Way
AE2 Additional Opportunity Mod is an addon for Applied Energistics 2, introducing new features and enhancements to improve automation and storage capabilities. This mod expands the AE2 system with additional tools, blocks, and optimizations, making complex automation setups more efficient and flexible. Features: Allowed controllers cross patern. Multiple controllers in one me net. Cels fire […]
Open MCSkins Mod (1.21.1, 1.20.1) – Custom Skin Sources, Custom Ears
Open MCSkins Mod is a custom Minecraft skin loader that offers flexibility and compatibility for players. Features: Allows players to use skins from various sources, including local storage, custom servers, and popular skin systems like TLauncher and ely.by.. Supports capes and cosmetics from systems like Optifine, Cloaks+, LabyMod, and MinecraftCapes. Adds support for custom ears […]
OldFashionedLimits
Old fashioned height limits (from pre-1.17 versions)
Upgradable Spawner
This plugin allow to create a spawner wich can be upgraded
WorldSlim
A lightweight chunk save optimization plugin for Paper servers. WorldSlim reduces your world file size by automatically cleaning up chunks that players have barely visited.
NeoServerCommand
Better /server Command.(and /send) よりよい/serverコマンド！
BungeeShortcut
A simple BungeeCommand Shortcut create plugin. BungeeCordのコマンドのショートカットを作ろう！
Custom Despawn Timer
Custom item despawn time override
bnsisINV
A high-performance inventory management utility for Minecraft 1.21.1, built on Java 21. Unlike standard inventory viewers, bnsisINV implements a secure Request-Accept-Deny workflow, ensuring player privacy while maintaining administrative oversight.
Toms Storage Star Optimized
Lightweight optimization mod for Tom's Storage.
Extended Stacks
Increase the maximum stack size to 99 for all items, including those normally limited to 16. A simple vanilla-friendly QoL improvement for better inventory management.
![BundleGUI – Right-Click Bundles with a Visual Inventory [Fabric]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/485455.webp)
BundleGUI – Right-Click Bundles with a Visual Inventory [Fabric]
Open bundles with a right-click and manage their contents using a clean inventory-style GUI. Variant-aware, lightweight, and fully vanilla-friendly.
Armor Status Like LivingLegendOP
Displays your armor durability and status in real time with a clean, lightweight HUD.
BetterUX
A mod that adds various little UX improvements to enhance the overall user experience.
CleanCraft by ACUL
CleanCraft is a lightweight Vanilla+ Fabric modpack focused on performance, visuals, and quality-of-life. Featuring Sodium, shaders, Xaero’s map, Tom’s Storage, and more—it's perfect for builders, explorers, and smooth multiplayer.
Project Infinity Tools
A modular Minecraft expansion adding high-tier, rainbow-themed utility gear, including an all-in-one paxel and a custom-interfaced satchel for optimized inventory management.
Preview Chest
This mod allows you to see the content of a chest or other containers by just looking at them.
Gar nicht übertrieben
A small Modpack that aims on improved performance as well as a simple storage system, pipe system and resource generation system.
Accessorify Mod (1.21.10, 1.20.1) – Allows Various Vanilla Items to be Equipped
Accessorify Mod allows various vanilla items to be equipped as accessories, freeing up inventory space while maintaining their functionality. Equipped items automatically generate replacement accessory slots, ensuring no loss of available slots. A configuration menu provides full customization of which items function as accessories. Features: Converts specific vanilla items into accessories for optimized inventory management. […]
Toms Storage Star Optimized Mod (1.21.1, 1.20.1) – Build Massive Storage Bases
Toms Storage Star Optimized Mod patches lag problems in Tom's Storage. It speeds up the game when you build massive bases filled with thousands of items. This mod stops the storage terminals from scanning your chests too often. It only updates the system when items actually change inside the network. You get a much smoother […]