Minecraft Java 1.21 Mods
Browse 748 free mods for Minecraft Java 1.21 — popular picks include Ali's PvP, AntiFarmReloaded, Real Fire Resistance│真的抗火.
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Ali's PvP
The ultimate vanilla-safe PvP experience. Packed with top-tier optimization and essential combat mods to give you the competitive edge—100% legal, clean, and ban-free.
AntiFarmReloaded
AntiFarm Reloaded is an anti-farm plugin that blocks and prevents AFK mob farms, villager exploits, and automated resource generation across all major gameplay systems.
Real Fire Resistance│真的抗火
Mobs with the Fire Resistance effect will not catch fire.│生物帶有抗火效果時不會著火。
UltClearLagg
Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.
SilkSpawnerPro
SilkSpawnerPro is a lightweight, high-performance standalone utility designed for servers that need precise control over mob spawners.
UBS_PVP+
UBS PVP is a high performance Fabric modpack optimized for competitive PvP and multiplayer Survival featuring extreme FPS boosts network optimization and clean combat visual advantages
Better Reimagined
Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs
StoneBlade
StoneBlade is a small, focused gameplay tweak that finally gives the stonecutter the respect it deserves. Instead of building elaborate lava blades or awkward kill chambers, you can simply let adult mobs walk over your workshop tools.
DispMC's Optimization
An Optimization Modpack For Mobile Launchers.
Ancient Horizons:Legends of the Abyss
Ancient Horizons:Legends of the Abyss is a survival-adventure modpack that expands Minecraft with new dimensions, terrifying monsters, rich farming, and wildlife. Explore, fight, and build in a redefined world.
Auction HouseX
A fast-paced, player-driven auction house built for competitive servers. Buy, sell, and flip items instantly in a clean, high-performance GUI. Designed for Paper servers, this plugin keeps the economy moving and the profits flowing 🔥
AdvancedAntiGrief
A lightweight simple, folia safe anti grief plugin. Customize any mob, entity grief in the config file
Competitive Vanilla+
A lightweight Vanilla+ PvP modpack focused on performance, clarity, and competitive gameplay improvements while preserving the vanilla Minecraft feel.
Flying Speed Bonus│飛行速度加成
Speed and Slowness effects affect flying speed.│迅捷與緩速效果會影響飛行速度。
Anti Trader Despawn
This 1.21.4 Datapack adds a feature in which wandering traders with a NameTag on them DON'T Despawn!
RayHeartVision
A high-performance, ray-traced health indicator for players and mobs. Zero lag, 100% accurate. Optimized for 1.21+.
Piglin Growth│豬布林成長
Baby Piglin will grow up.│幼年豬布林會長大。
Opti Pepo Mobile
A optimized modpack for playing in Zalith launcher
Simple Lag Fix
Simple Lag Fix is a lightweight Minecraft plugin that optimizes server performance with auto item clearing, mob limits, and TPS monitoring.
Wilds of Auroria
Cobblemon: Wilds of Auroria is a lightweight modpack that blends Cobblemon—Minecraft’s take on Pokémon—with a vibrant world built for exploration and creativity. Join friends to collect and train creatures, delve into dungeons, and build epic bases, all wh
Pvp.Optimized
PvpOptimized is a performance-focused modpack designed specifically for competitive Minecraft PvP.
Chaosdrachen
Adds characters from the Chaosdragons.
Arrow Despawner
This is a datapack that reduces the time arrows shot by other mobs are stuck in the ground down to 10 seconds (vanilla is 60)
Ready Crossbow
Make the piglins and pillagers attack you directly. Who goes around with an unloaded crossbow? Any mob that uses a crossbow will just shoot you.
more mobs modpack
Simple modpack that adds more mobs and optimisation mods and few simple fun mods.
MCELO
A high-performance, feature-rich Minecraft Practice plugin designed for 1.21.11 competitive play. This plugin provides a complete ranked environment with Elo ratings, personalized kit layouts, and automated arena management.
UnpersistMobs
Tweak despawning of persistent mobs
Carpet-YBS-Addition
This is an expansion mod for Carpet that offers useful or useless features for YBS Server.
Trail Timer
Reduces the Trial Spawner cooldown from the vanilla 30 minutes to a configurable duration — fully server-side, no client mods required.
Rabbit's The World's Hell
Survive in the Nether, a world engulfed in flames which introduces new mobs, biomes, and items to explore.
MobStackerPremium
MobStackerPremium is a Spigot plugin designed to improve the performance of your Minecraft server by reducing the number of entities through a mob stacking system.
Cravixor's Mod
A lightweight Minecraft PvP modpack optimized for maximum FPS and smooth Netherite Pot combat, delivering clean visuals, reduced lag, and competitive performance for fast-paced fights.
Better Spawn Eggs craft
This data pack adds the ability to craft spawn eggs and spawners
NewPlayerProtection
A powerful and fully configurable Minecraft plugin that protects new players from PvP, mobs, and damage, ensuring a fair and smooth start on any SMP server.
Eternal Ocean
An ocean world with creatable ships along with many new fishes and other creatures. Swimming and fishing are overhauled, along with plenty of new structures and biomes to explore.
Natural Armor│天然鎧甲
Turtles and armadillos now have higher defense.│海龜和犰狳現在擁有更高的防禦力。