Minecraft Java 1.21 Mods
Browse 1,384 free mods for Minecraft Java 1.21 — popular picks include Portable Structure Containers, Lapis Lock, Vanilla Backpack.
Updated daily
Portable Structure Containers
Capture, carry, place, and retrieve compact structures.
Lapis Lock
Keep your Lapis Lazuli in the Enchanting Table when it's closed
Vanilla Backpack
Vanilla+ Backpack adds a lightweight, upgradeable storage system to Minecraft 1.21.8. Start with a 18-slot leather backpack, and upgrade it to Golden (27 slots) and Diamond (52 slots) backpacks! Features custom advancements and crafting recipes!
Random by mixed loot tables
With this datapack, you'll also receive loot from blocks/chests/entities, etc., but you'll also receive additional loot along with the original loot.
Selective Slots
A lightweight, vanilla-friendly mod for disabling individual slots in containers like chests, hoppers, dispensers, and shulker boxes.
ServerBenchmarkPro
Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.
ExtractTitles
Configurable Paper 1.21.x titles plugin with GUI menu, Vault/PlayerPoints purchases, permanent and temporary ownership, PlaceholderAPI support, active-title effects, and SQLite/MySQL storage.
PacketPortal
PacketPortal is a Spigot/Paper plugin that allows you to manage and deliver item packages to in-game players directly via Discord commands (also has GUI).
Crafting Bumble
allows us to produce knives in Minecraft
Item Despawn Notifier
A mod that notifies the player whenever an item entity despawns in the world.
AethelGuard
Aethelguard is a secure and highly configurable authentication plugin for Paper servers, featuring captcha, 2FA, account recovery, VPN/proxy checks, adaptive security, clean console logs, and multi-language support.
XFPoolManager
XFPoolManager (XFPM) is a custom loot pool manager created by xfinity
Create: Cookie's Conception
A Create auxiliary mod with a variety of practical tools added
Duckzi's Opossums
This project adds Opossums to your minecraft world!
DeathChestReborn
A chest that keeps your items safe after you meet your demise. A project born from the ashes of a slightly different approach to the same idea (Death On The Spot).
RatsCurrencies
A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]
Villager rollback
A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.
Temp Shelves Fix
This plugin that I made over a few hours or so stops people from putting items in shelves, since apparently they're being used to dupe items.
Sus Treasure
Allows players to bury objects in sand and gravel
CombatTier TierTagger
TierTagger mod for Combat Tier List
Packwork
An adventurer's pack that sorts itself: tabbed compartments, a rules engine, pins, and brass-fitted trinkets — craft on the go, drink from a waterskin, bank your XP. Leather and twine, never tech.
No Dragon Egg In Containers
A lightweight SMP mod that keeps the dragon egg out of every container, so it stays a contestable trophy instead of being hidden away, popping it back out of any chest, shulker, ender chest, shelf, or hopper, with a simple command to toggle it on or off.
iammojogo's Uncrafting Mod
This mod is a mod that allows users to uncraft crafted items to gain back resources from items they don't need and don't want to throw away or burn.
RealWeight
Weight to your minecraft with real debaffs
Limited Slots
Datapack that gradually removes your slots
Timber´s Call
Timber’s Call adds Grimbark, an automatic woodcutting NPC, unique workstations for progression, mystical crafting, and a boss fight — all without a resource pack. Answer the call!
JsChatManageMent
ChatGuardX is an advanced Minecraft Paper 1.21+ plugin that provides complete chat moderation backup and security system for servers. It includes anti spam caps detection blacklist filters and link blocking to keep chat clean. The plugin supports mute unmu
MaxProtections
The best protection plugin with menu +
JustMultiplayerInventory
A real-time shared inventory for all players. Sync items instantly, featuring persistent file storage and Geyser compatibility. Simple and lightweight.
Data Guard
It's a PaperMC plugin that automatically saves player and server data so nothing gets lost or rolled back unexpectedly. It snapshots everything — inventory, armor, ender chest, XP, health, food, potions, and location.
Queue Plugin
An Queue Plugin for Velocity, easy to set up!
Nether Furnace
This mod adds a nether-furnace that is fueled only by a bucket of lava and runs for a very long time (2 hours, 46 minutes and 40 seconds). The mod is still raw, but it is constantly evolving!
Mechanical Factory
This is a Minecraft mod addon for Create called Factory
Bury
Bury items in sand, gravel, dirt, or grass blocks and uncover them later with a brush.
Kub's Improvements
Adds QoL small things to do the game like smelting rotten flesh for food, or recipes that just make sense
AtlasPin
AtlasPin is a modern, intuitive plugin for managing coordinates on a Minecraft server. It allows players and administrators to create, manage, and share pins using beautiful graphical interface templates and high performance.