Minecraft Java 1.21 Mods
Browse 745 free mods for Minecraft Java 1.21 — popular picks include Cozy Horizons, CreeperBoom, Optimaized by dkt4.7.
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Cozy Horizons
A cozy Minecraft modpack that expands the vanilla experience with new structures, biomes, mobs, items, and building options for a relaxing and immersive adventure.
CreeperBoom
Control the behavior of Creepers after exploding
Optimaized by dkt4.7
Maximizing hardware. Minimizing lag. The ultimate performance-tuned experience for competitive play and high-end stability. 🚀
CreaMon
A Minecraft modpack focused on Create automation, Cobblemon adventures, exploration, creature catching, and quality-of-life improvements.
Common-Freeze
Paper plugin to freeze mobs while retaining their perks!
Too Many Noises/Mute Entity
Mute any vanilla mob with a single simple command.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.
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
PigSpawnDisable
Pig Spawn Disable is a lightweight Minecraft server plugin designed for Spigot/Paper 1.21 that completely disables pig spawning in your world.
onlypvpShaders
performance-first Java texture pack built for competitive play. It features essential PvP visibility tweaks (no fire, reduced clutter, custom audio) alongside built-in lightweight shader effects like waving grass, realistic lighting, crystal clear water
MaxEntitiesInChunk
Manage or Restrict the number of entities in each chunk. specially adapt to Mohist Server.| 限制每个区块的实体上限，并适配Mohist。
DynamicMobLimiter
Dynamically throttles natural mob spawning based on server TPS — keeps your server smooth under load, with zero impact when TPS is healthy.
Void Cleaner
VoidCleaner automatically and intelligently cleans up dropped items, projectiles, vehicles, and mobs from your server, storing them in a special "void" (storage).
BalancedTeam
A high-performance Clan/Team plugin for Anarchy and survival-competitive Minecraft servers.
20TPS
20TPS is an all-in-one performance toolkit that stabilizes your server by limiting lag machines, stacking mobs, and fixing common exploits.
🧲 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.
AITPSControl
Dynamic mob AI optimization based on TPS and player distance
MythicTool - Tool system for MythicMobs
A comprehensive debug, development, and performance toolkit for MythicMobs.
AIToggle
Toggle mob AI by shift right-clicking with a configurable item.
No Random Armadillo Scute
Armadillos stop shedding scutes randomly giving the brush a reason to exist
Infinite_Parkour
Tired of static, repetitive parkour maps that never change? Infinite Parkour is the ultimate lightweight, high-performance plugin that generates an endless, procedurally calculated jumping path for your players.
qBlasts remake
A clean and lightweight Minecraft texture pack made for competitive PvP, focused on improving visibility and performance.
Tuxy's PvP Modpack
A lightweight PvP modpack designed for higher FPS, smoother gameplay, lower latency, and improved competitive visibility.
Optimize Shader
Optimize Shader is an ultra-lightweight, shadowless shaderpack for Iris (Fabric) built with performance as the top priority — ideal for low-end and mobile devices.
Minecraft X-Ray Edition by Crimom Resource Pack (26.2, 1.21.11)
Minecraft X-Ray Edition by Crimom Resource Pack clears up your world so you can see right through solid blocks. This pack helps you find hidden ores and caves fast because dirt and stone become invisible. It also changes how some mobs look and updates the paintings in your house. You do not need OptiFine or […]
Mace to Stormbreaker Resource Pack (26.2, 1.21.1) – Wield the God of Thunder's
Mace to Stormbreaker Resource Pack transforms the look of the new vanilla mace into a legendary weapon. This pack replaces the standard blocky mace model with Stormbreaker, the famous axe used by the God of Thunder. You get a much cooler weapon model to swing around while fighting mobs. The pack also includes an optimized […]
King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld
King of the Nether Resource Pack transforms the look of monsters in the fiery dimension. It changes these creatures so they match the style of the Wither boss. This pack gives the underworld a darker and scarier vibe by making the mobs look like they belong to a single dark army. You will need OptiFine […]
Melody's Cute Girl Illagers Resource Pack (1.21.11, 1.20.1) – Enjoying Anime Experience in Minecraft World
Melody's Cute Girl Illagers Resource Pack extends the Melody's Cute Girl Villagers pack with matching enemy designs. It replaces the standard hostile illagers with cute, anime-inspired girl characters. This pack changes the look of these mobs to fit perfectly into a cozy world theme. You need to use either OptiFine or a combination of the […]
Neo The Titans Mod (1.21.4) – Discovering The Titan Gods of Minecraft
Neo The Titans Mod is a Minecraft mod that introduces powerful, genetically enhanced Titan bosses. It recreates the classic Titans concept while improving balance, performance, and compatibility with newer game mechanics. Features: Large Titan boss creatures with unique abilities and attacks. New equipment, tools, and ores related to Titan progression. Improved boss animations and smoother […]
Fix My SpawnR Mod (1.21.11, 1.20.1) – Reduces Mob Spawner Lag
Fix My SpawnR Mod fixes lag caused by active but unused mob spawners in Minecraft. It reduces unnecessary server strain by deactivating spawners that are not actively used, improving performance on servers and in modpacks. Features: Reduces lag caused by mob spawners scanning for players and spawn locations. Adds a deadlock timer to spawners to […]
Spawncap Control Utility Mod (1.21.11, 1.20.1) – Control Over Mob Spawning Limits
Spawncap Control Utility Mod gives you deep control over mob spawning limits in Minecraft, making it ideal for custom difficulty settings, performance tuning, or modpack balancing. Features: Adjust the maximum number of mobs per category (e.g. MONSTER, CREATURE, AMBIENT, WATER_CREATURE). Adds new spawn categories from other mods and set their limits. Reduce spawncaps for laggy […]
Diesse's Dynamic Light Data Pack (1.21.11, 1.20.1) – Realistic Lighting for Minecraft
Diesse's Dynamic Light Data Pack brings realistic lighting effects to Minecraft, making mobs on fire and certain items emit light, similar to OptiFine's dynamic lighting feature. Enjoy playing this data pack! Features: Adds a sense of realism through improved lighting effects. Focuses entirely on lighting without adding unnecessary features. Lighting behavior is adjusted so that […]
Phantom Plus Client Mod (1.21.1) – Krypton Rename
Phantom Plus Client Mod is an advanced Minecraft client designed for anarchy servers, focusing on PvP optimization, automation, and combat efficiency. The client provides a clean, minimalistic interface with fast module toggling and dedicated settings for each feature. Features: Core Characteristics: Optimized for competitive PvP environments Modular system with categorized features Quick enable/disable switches for […]
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 […]
MrToad's Palladium Mod (1.21.8, 1.20.1) – Advanced Optimization For Minecraft
MrToad's Palladium Mod is a performance optimization mod designed to improve memory usage, chunk processing, and shader performance, while also enhancing mob AI. Features: Deduplication System: Removes redundant resource keys, resource locations, and vertices to save memory. Enhanced Mob AI: Improves combat and behavior for cats, wolves, and rabbits for more natural interactions. Shader Optimization: […]