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Minecraft Java 1.21 Mods

Browse 1,917 free mods for Minecraft Java 1.21 — popular picks include Create: Mechanical Factory, Ultra Leaf Decay, SeniorLegend 1K Pack.

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Create: Mechanical Factory
1.21.1neoforge

Create: Mechanical Factory

a Create-based tech & factory pack

414downloads
Ultra Leaf Decay
1.21

Ultra Leaf Decay

highly optimized plugin that makes leaves decay instantly

414downloads
SeniorLegend 1K Pack
1.20

SeniorLegend 1K Pack

A clean, highly optimized 1K celebration resource pack by Senior. Boost your FPS and dominate PvP with sleek textures and smooth visuals!

411downloads
KillFallingBlocks
1.20

KillFallingBlocks

A datapack that kills blocks that fall

407downloads
Simple MobHealthBars
1.21.4fabric

Simple MobHealthBars

Simple Clean HealthBars for any mob.

405downloads
Max Ping
1.21

Max Ping

Max Ping kicks player's with a ping of 50 or higher by default, you can change this value in the config file.

404downloads
AntiXRY
1.21.10fabric

AntiXRY

A lightweight server-side anti-xray detector mod for Minecraft 1.21.10 on Fabric.

403downloads
Better Tps
1.20

Better Tps

better-tps is an adaptive performance stabilizer for Minecraft servers (Bukkit/Spigot/Paper/Purpur 1.20+). It automatically tunes server settings in real-time to maintain a stable 20 TPS, ensuring a smooth experience for players even during high-load

402downloads
Custom Mob Spawns (Renewed!)
1.21.5fabric

Custom Mob Spawns (Renewed!)

Simple configurable mob spawning (1.21.5+). Fork of Custom Mob Spawns (which is a fork of Custom Spawns) that supports 1.21.5 and beyond.

402downloads
Cactus Is Not That Strong│仙人掌沒那麼強
1.21.9

Cactus Is Not That Strong│仙人掌沒那麼強

Any item entity is immune to cactus damage.│任何物品實體皆免疫仙人掌傷害。

401downloads
IVC
1.21fabric

IVC

This project is an attempt to make the most of the "vanilla" Minecraft client using mods. The rules for the project are simple. I. All mods must be clientside. II. Bugs / game mechanics may not be fixed. III. Improve as much of the client by improving or

400downloads
Polydex2REI-Forked
1.21.9fabric

Polydex2REI-Forked

Converts Polydex recipes to work with REI!

397downloads
Craftable Red Sand│可合成紅沙
1.21.9

Craftable Red Sand│可合成紅沙

Added Red Sand recipe.│添加了紅沙配方。

397downloads
SharedTrades
1.21

SharedTrades

SharedTrades synchronizes villager trades and cured zombie villager discounts across all players on a server, making trading consistent and fair.

396downloads
Craftable Gilded Blackstone│可合成鑲金黑石
1.21.9

Craftable Gilded Blackstone│可合成鑲金黑石

Added Gilded Blackstone recipe.│添加了黑石配方。

393downloads
Simple AntiAFK
1.21.1neoforge

Simple AntiAFK

A simple and lightweight Anti-AFK mod for NeoForge 1.21.1. Prevents AFK kicks by simulating player activity.

391downloads
PriorityQueue
1.21

PriorityQueue

Make space for your VIPs on your server

391downloads
MHDF-Tools
1.17.1

MHDF-Tools

MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨

390downloads
Sweeter Vanilla
1.21.8fabric

Sweeter Vanilla

a Mopdpack with the intention of improving Vanilla without altering any of its mechanics, just adding graphic, sound and optimization improvements in various aspects without changing the Vanilla's essence.

389downloads
Operators Only!
1.21fabric

Operators Only!

Operators Only is similar to a second Whitelist, except it only allows /op'ed players online the server.

389downloads
Tabula Vista
1.20

Tabula Vista

High End Tab Plugin , Placeholder Support, Color Support, Hex Color Support

389downloads
Fantastic Smelting
1.21.3forge

Fantastic Smelting

A small mod to boost your smelting-experience. Allows you to smelt raw resource blocks, saving you time and space.

386downloads
CPVP Balance Datapack
1.21.3

CPVP Balance Datapack

Crystal PvP Balance Datapack - Changes crystals and anchors, Crystals stack at 16, Anchors are unstackable and require an Ancient Debri to craft.

386downloads
PlayerCodes
1.20.1fabric

PlayerCodes

Player Codes lets players share their own live codes with friends and the community. Players must explicitly opt in to publish their codes, so everything is consensual and transparent. Perfect for servers, content creators,

385downloads
Eternal Nether Star│永恆的下界之星
1.21.9

Eternal Nether Star│永恆的下界之星

Nether stars no longer clear after 10 minutes. Same as Bedrock Edition.│下界之星不會在10分鐘後清除。與基岩版一致。

385downloads
GrindLess
1.21

GrindLess

GrindLess is a Minecraft datapack designed to enhance your vanilla gameplay by reducing the tedious gathering of some materials.

383downloads
PvE Lag Compensation
1.21.11fabric

PvE Lag Compensation

A mod that makes high ping players suffer a lot less.

381downloads
DG Login
1.21

DG Login

Secure login & register with anti-bot captcha, TOTP 2FA, Mojang premium verification, and per-player settings GUI.

376downloads
ClearItems
1.21fabric

ClearItems

A high-performance item cleanup mod for Fabric. > 专为 Fabric 打造的高性能掉落物清理模组。

374downloads
Strengthening Golems│強化傀儡
1.21.9

Strengthening Golems│強化傀儡

You can repair snow golems using snowballs, just like you can repair iron golems.│你可以用雪球修復雪傀儡,就像修復鐵傀儡一樣。

373downloads
LightItemremove
1.19.4

LightItemremove

Effortlessly clean up dropped items with a sleek hologram countdown

373downloads
Villager Age Tweak
1.21.1neoforge

Villager Age Tweak

Basic mod for player to change villager age cooldown

372downloads
Fancy Npc Movement Addon
1.21.11

Fancy Npc Movement Addon

A lightweight, performance-friendly patrol engine for FancyNpcs. Easily set dynamic back-and-forth walking routes for your NPCs using simple in-game commands.

371downloads
UOM
1.21.4fabric

UOM

Useful features for elytrapvp players. Built to improve your game.

371downloads
Espoir SMP
1.21

Espoir SMP

The plugin's twist is ⚙️ How the system works: 🧿 You start with 3 souls. 🔻 Each time you die, you lose a soul. 💀 At 0 souls, you become a ghost: spectator mode for 24 hours. ⚔️ Kill a player → you steal one of their souls, if you don't already have all

371downloads
CircuitBreaker
1.21

CircuitBreaker

Surgical chunk-based event filters to isolate and defuse lag machines without affecting player performance. Instantly freezes chunk loops exceeding TPS margins.

369downloads