Minecraft Java 1.21 Mods
Browse 31 free mods for Minecraft Java 1.21 — popular picks include Animal Pens, Too Many Entities, The Farm.
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Animal Pens
Reduce lag and keep your animals neatly stored while maintaining full interactivity!
Too Many Entities
Hide extra entities in order to reduce lag, especially with mob farms. The mobs still exist in the world, they are just not visible.
The Farm
A cozy 1.21.1 Fabric farming modpack with seasons, Farmer's Delight, food, animals, ambience, countryside exploration, visual polish, and performance mods.
AntiVillagerLag
A way to remove the performance impact of trading halls without sacrificing other villager farms
CobbleLagClear
Cobblemon Lag Clear is a performance-focused mod built to prevent TPS drops and keep your Cobblemon Minecraft server running smooth. It targets the biggest lag sources on busy servers: excess Pokémon entities, ground items, vanilla mob spawning, and farm
Simple Animal pens
A simple datapack that allows to store many animals in one block to reduce lag on the server. also available as datapack
Mob Stacker Advanced
Mob stacker mod with breeding support, etc.
Rine Time
Explore | Choose Your Class | Battle Challenging Mobs | Build | Decorate | Grow Crops | Automate Everything
CreateServer perfect modpack
A modpack for a server of mine that includes many create addons, farmers delight, planes, boats alexs mobs and extra mods to increase performance
Farmland Protection
Prevents farmland from being trampled when players jump on it
Oh More Wandering Trades
Wandering Traders can trade more types of items.
ByeBye Phantoms 👋
ByeBye Phantoms adds powerful new tools and wings to finally put an end to those pesky night stalkers!
Lifesteal Core X
Lifesteal Core X delivers a complete competitive lifesteal experience with heart stealing, revive systems, combat control, anti-farm protection, and scalable MySQL storage for high-performance SMP servers.
Sandy Husks
Husks now drop sand when killed, with chances increasing using Looting - perfect for Skyblock and fast sand farming!
Dutch Pet Shelter
Custom modpack for VictoriaMoonlight, ShinkoRups, and NoMouseCat. Light modded experience that includes things like Farmer's Delight and Macaw's Furniture.
MobStack26
A datapack that stacks mobs to enhance performance of large animal farms
MobFarmLimiter
A modern and lightweight mob farm limiter.
Projekt Farmer
A realistic farming and adventure modpack featuring Cobblemon – inspired by Pokémon! Farm crops, raise animals, and catch your own creatures in a vibrant world.
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.
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.
RXVY SPAWNERS
RXVYSpawners is a high-performance Java plugin that features virtual loot storage, intelligent spawner stacking, and an all-in-one management GUI for optimized mob farming. If you have any questions or need support join https://discord.gg/Xx8h2Th8qv
ArmadilloSleeper
Sends Armadillos at XP Farms into Sleep to make TPS better but still make XP Farms very good!
TemporaryCastration
Limit lags caused by massive farms !
Farm Friendly Mob Stacking
This datapack optimizes the server by stacking mobs without penalizing players! Farms will have less mobs, but the reward will be similar or better.
Fleet Spawner Stack — Ultimate Stacking System
Optimize Your Farms — Stack Spawners & Mobs for Cleaner, Faster Gameplay.
No Ominous Banners
Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance
🧲 Magnetic Hoppers
Save Iron: 1 Hopper now does the work of 49 Hoppers!Reduce Lag: Fewer hoppers means significantly less lag on your world or server.Perfect for Farms: Automatically vacuums up drops from mob grinders, iron farms, and auto-harvesting setups.
Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring
Carpet Mod is a popular modification for Minecraft that enhances the game by providing advanced tools for monitoring, controlling, and optimizing gameplay. It is particularly favored by technical players and server administrators. It provides many tools, commands and special capabilities that extend vanilla Minecraft-especially useful for technical players, redstone engineers, farms, and automation. Features: Tools […]
Mob/Farm Lag Optimizer
A lag optimization plugin that limits mobs and other farms instead of blindly removing entities.
![Easy Spawner Control [Fabric]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/485598.webp)
Easy Spawner Control [Fabric]
Easy Spawner Control lets you right-click mob spawners with a crafted Spawner Key to instantly configure spawn speed, count, and behavior — no commands required.
Mob Farms
A simple mod enabling 1-block upgradable spawner, that directly yeild drops of various mobs.