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Minecraft Java 1.21 Mods

Browse 526 free mods for Minecraft Java 1.21 — popular picks include Titanroot Skies, DiamondAntiBadWords, Elevator_dp.

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Titanroot Skies
1.21.1neoforge

Titanroot Skies

A Minecraft society modpack with a focus on mechanical engineering, exploration, and rpg elements.

155downloads
DiamondAntiBadWords
1.21

DiamondAntiBadWords

Advanced chat moderation plugin that filters configurable bad words, issues warnings, and auto-mutes players with smart detection and 24-hour warn reset.

155downloads
Elevator_dp
1.21

Elevator_dp

Have you always dreamed of building an elevator to hide a secret base?

154downloads
NoRedstone
1.20

NoRedstone

Disable redstone components in specific worlds

154downloads
Unihopper
1.21.5neoforge

Unihopper

An early-game single-item-filtering hopper.

153downloads
Lootr-DeathChest
1.21

Lootr-DeathChest

Automatically creates a chest at the player's death location to safely store their items. Simple, lightweight, and Lootr-plugin compatible.

152downloads
Mechanical Avirtion
1.21.1neoforge

Mechanical Avirtion

An integrated mod featuring create, aeronautics, terrain modification, and performance optimization

151downloads
Harmony I
1.21.1fabric

Harmony I

A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.

149downloads
Quick Stacker
1.21

Quick Stacker

Automatic inventory management plugin that quickly deposits items into containers and sorts storage with simple click actions.

145downloads
TreeCutterPro
1.20

TreeCutterPro

High-performance, metadata-aware forestry for modern Minecraft servers

144downloads
VelocityShield
1.7.2

VelocityShield

Protect your Velocity proxy server from VPN users with advanced detection and caching

143downloads
Crafted Stats
1.20

Crafted Stats

Minecraft Plugin that shows Server Stats in-game

143downloads
Refined Fluid Substitution
1.21.1fabric

Refined Fluid Substitution

Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage

142downloads
NoMoreBots
1.19

NoMoreBots

Advanced bot verification plugin for Velocity

140downloads
FlezerBoxes
1.21

FlezerBoxes

A high-performance crates plugin featuring ultra-fast 2-turn animations, HEX-colored rarities, unique Rune mechanics, and interactive global broadcasts.

136downloads
BsruEnderChest
1.20

BsruEnderChest

BsruEnderchest is a high-performance Ender Chest plugin for Spigot, Paper, and Folia servers. It enhances the vanilla Ender Chest with more storage, multiple pages, cross-server synchronization via MySQL , all designed to be lag-free.

134downloads
Log Block Tool
1.20

Log Block Tool

LogBlockTool logs block breaks, placements, container transactions, and player interactions on a Minecraft server. It’s lightweight, fast, and designed for Paper/Spigot with SQLite or MySQL support.

129downloads
Welcome pluging
1.20.1

Welcome pluging

💜 Welcome Plugin by Goku A fully customizable welcome and join plugin for Minecraft Paper/Spigot 1.21.1 ✨ Features: Custom join, leave, and death messages Big title + subtitle + actionbar welcome Firework & sound effects on join /discord or /dc →

127downloads
PixelAI
1.16.5

PixelAI

PixelAI is a lightweight, high-performance AI integration that allows players to interact with state-of-the-art AI models directly in-game. Whether you need an assistant for all your server features or a witty global chatbot to entertain your community!

124downloads
BetterSensi
1.21.4fabric

BetterSensi

This mod allows you to put decimal values as Minecraft's sensitivity through some Minecraft commands.

124downloads
Better Multiplayer - GF
1.21.5

Better Multiplayer - GF

Make vanila mutiplayer feel better by adding some custom function

124downloads
Tungsten
1.21.11fabric

Tungsten

A precise, lightweight HUD overlay for tracking Minecraft stability.

123downloads
Warp Hopper
1.17

Warp Hopper

Boost server performance by swapping tangled hopper lines for sleek, wireless item routing. Eliminate lag‑filled storage rooms and embrace invisible, high‑efficiency logistics.

122downloads
Mod-BAN
1.16.5

Mod-BAN

ServerSideAntiCheat is a server-side anti-cheat for Paper/Spigot that detects unauthorized client-side mods (like Freecam, Minimaps, and Hacked Clients) without requiring any clients-side mods to be installed.

121downloads
Sr_Plugin_ServerNotify
1.8.8fabric

Sr_Plugin_ServerNotify

Minecraft plugin that sends Discord webhook notifications for important server events.

120downloads
QuickCraft Utilities
1.21.8fabric

QuickCraft Utilities

QuickCraft Utilities is the mod you need to optimize your Minecraft experience, with essential features like Auto Smelt, Quick Sleep, and Auto Crop, all of which are configurable.

118downloads
THE HORRORS BUT BETTER
1.21.8neoforge

THE HORRORS BUT BETTER

THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!

117downloads
CBC Loot Fix
1.21

CBC Loot Fix

This is a simple fix for the Create Big Cannons: Advanced Technologies addon. Previously, some blocks simply disappeared when broken; this datapack fixes that bug and restores the correct drops.

115downloads
Uncrafting_dp
1.21.5

Uncrafting_dp

Now it is possible to disassemble items to recover resources

114downloads
CommandWorld
1.21

CommandWorld

A plugin to seperate world chats with groups or per world, with staff chat and also command visibility and accessibility for players, with worldgroups and luckperms. Makes your server feel like a proxy

113downloads
EntryCode
1.16

EntryCode

Secure your server with customizable entry codes!

113downloads
CREEPER ANTI LAG
1.21

CREEPER ANTI LAG

Advanced anti-lag plugin featuring TNT protection, intelligent item cleanup, mob optimization, lag machine detection, and real-time TPS monitoring.

112downloads
ManageAFK
1.17

ManageAFK

with this PLUGIN you can customize the AFK in your server with style and with lots of features and optimization for no performance issues.

111downloads
Command Block Spy
1.21

Command Block Spy

[Open Source] Monitor/Intercept Server Command Block

111downloads
VirtualFilter
1.21

VirtualFilter

Professional Independent Virtual Filtering System

110downloads
PlayerMapX
1.21

PlayerMapX

You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap

109downloads