Minecraft Java 1.21 Mods
Browse 1,938 free mods for Minecraft Java 1.21 — popular picks include PixelAI, No Nether RoofSpawns, Warp Hopper.
Updated daily
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!
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
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.
BetterSensi
This mod allows you to put decimal values as Minecraft's sensitivity through some Minecraft commands.
logCrafting
Mathematically accurate crafting with logs (logs to sticks, etc...)
Ultra Realistic PBR Shader Pack
A next-gen physically-based shader pack with dynamic celestial mechanics, a photorealistic rotating Earth in The End, and filmic ACES color science.
Tungsten
A precise, lightweight HUD overlay for tracking Minecraft stability.
AeroHook
A high-performance, anti-cheat safe grappling hook plugin with realistic vector physics and full customization.
Tuff VeinMiner
stop wasting time mining like a peasant 💀. Tuff VeinMiner is the most cracked mining plugin out there. no hunger drain, no destroying your expensive pickaxes, just pure efficiency. ty 692443774105813023 for the icon(30 seconds in paint btw)
SYSTEM SMP
System SMP is a premium Minecraft plugin designed for survival multiplayer servers. It adds unique features including small caps text formatting, tree felling mechanics, custom item displays, and an economy-based spawner mining system.
Unobtainable Crafting
Adds crafting recipes for items that seem like they should be craftable but aren't
LBSpawners
Advanced stacked spawners
Sr_Plugin_ServerNotify
Minecraft plugin that sends Discord webhook notifications for important server events.
PNode
Paper plugin with intuitive visual node-based editor for server logic. No coding required.
Improved Structures & Dungeons
The combination of all minecraft Structure & Dungeons Data Pack
Petrify an Oak Slab│石化一個橡木半磚
Added Petrified Oak Slab recipe.│添加了石化橡木半磚配方。
Trident Channeling Enhanced（三叉戟引雷增强 ）
Channeling up to Lv.5 with a chance of non-thunderstorm lightning & chain damage. Adds "Trident Shot" for Crossbows to fire powerful Tridents. 引雷上限至 5 级，支持非雷雨天概率落雷与连锁闪电。新增“海神之引”附魔，使弩能发射高伤三叉戟。
ZerodayStyleHotbar
Revamp your Minecraft hotbar and tooltips with detailed info and a sleek, modern design.
cblocker
CommandBlocker blocks all commands by default and lets you whitelist specific ones based on user groups – giving you full control and a clean, organized command list
CraftCorePL
All-in-one utility plugin with TPA, homes, warps, /back, fly, god mode and more — fully configurable in English & German.
Redstone Counter
Counts redstone components within a chunk, configurable Blocks in Config. Compares against a maximum allowed number.
No Bullying
A lightweight plugin that prevents mob swarms by limiting how many mobs can target a player at once.
Safe Campfire
This mod has added...Campfire That's where you come in as a safe zone.
EnhancedParticles
This project adds a simple keybind to toggle particles on and off instantly. Configure the bind in Minecraft Controls and switch particles anytime while playing.
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.
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.
Durability Minus
A simple mod that adds declining equipment performance based on durability
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!!!!!
Server Side Health Indicators Datapack
A small customisable datapack that displays health on tablist and above the player.
iClearLag
The best Minecraft cleaner, fully customizable
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
CasleRush
CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.
CREEPER ANTI LAG
Advanced anti-lag plugin featuring TNT protection, intelligent item cleanup, mob optimization, lag machine detection, and real-time TPS monitoring.
Uncrafting_dp
Now it is possible to disassemble items to recover resources
Cobblebalance
Re-balances for Pokémon stats, moves and abilities
WorldPreventer
Prevents your Worlds from being downloaded