HomeJava1.21

Minecraft Java 1.21 Mods

Browse 741 free mods for Minecraft Java 1.21 — popular picks include Structure Layout Optimizer, Improved Pillager Outpost, Blended Compat.

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Structure Layout Optimizer
1.21.9neoforge

Structure Layout Optimizer

Attempts to optimize the generation of Jigsaw Structures and NBT pieces

6.8Mdownloads
Improved Pillager Outpost
1.16.5fabric

Improved Pillager Outpost

The "Improved Pillager Outpost" Datapack revamps the standard Minecraft Pillager Outpost into a challenging, multi-level tower. This overhaul adds detailed architecture, tougher enemies, and exclusive loot, creating a more immersive and rewarding experie

1.7Mdownloads
Blended Compat
1.18.2neoforge

Blended Compat

Adds more compatibility between mods commonly found together in modpacks.

1.2Mdownloads
Incendium Biomes Only
1.21neoforge

Incendium Biomes Only

Removes structures, items, mobs and bosses from Incendium, leaving only the biomes and terrain.

1.2Mdownloads
Complex Pixelmon - The #1 Pokemon Adventure in Pixelmon - Multiplayer Pixelmon - Pixelmon Adventure - Pixelmon & Pokemon SMP
1.21.1neoforge

Complex Pixelmon - The #1 Pokemon Adventure in Pixelmon - Multiplayer Pixelmon - Pixelmon Adventure - Pixelmon & Pokemon SMP

⚡Pixelmon: The Pokemon Academy ⚡-- Pixelmon MMO - Explore, battle, and grow your pixelmon team—starting your legendary pixelmon adventure! Featuring mods like pixelmon reforged - Optimized for multiplayer pixelmon/pokemon experience - Pixelmon SMP. 🌟🌟

913kdownloads
Dimensional Threading Reforked
1.21.1forge

Dimensional Threading Reforked

Optimizes all your server dimensions distributing the load on multiple threads

912kdownloads
Breakneck: Optimized | FPS Boost, Shaders & QoL
1.21.11fabric

Breakneck: Optimized | FPS Boost, Shaders & QoL

1.21.11 – Level Up Your Vanilla Client with Increased FPS, Shaders, Quality of Life Enhancements, and Visual Improvements

682kdownloads
Detected setBlock Be Gone
1.21.1fabric

Detected setBlock Be Gone

Suppresses the "Detected setBlock in a far chunk" message in the console thus reducing log file size.

556kdownloads
FastAsyncWorldEdit
1.21.1

FastAsyncWorldEdit

Blazingly fast world manipulation for artists, builders and everyone else

496kdownloads
The Cobblemon SMP - Pokemon in Minecraft
1.21.1fabric

The Cobblemon SMP - Pokemon in Minecraft

✅💯 The Ultimate Pokémon Academy! 💯✅ Catch, train, and level your Pokémon with friends in Cobblemon. Battle, capture, train, and grow all your mons —starting your cobble verse journey! Optimized MMO Experience🌟🌟

424kdownloads
Pixelmon Plus+ The Top Pokemon Experience in Pixelmon - Fully Optimized - Best Pixelmon Server - All Pokemon
1.21.1neoforge

Pixelmon Plus+ The Top Pokemon Experience in Pixelmon - Fully Optimized - Best Pixelmon Server - All Pokemon

✅ Pokemon + Minecraft in Pixelmon, Generations 1 - 9 Confirmed ✅ Start your Pokemon journey the right way, with thousands of custom textured Pokemon to catch and hundreds of features to keep yourself entertained in Pixelmon. Multiplayer server included.

341kdownloads
LagFixer
1.20

LagFixer

⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!

303kdownloads
Actions & Better [ON JAVA]
1.20.1fabric

Actions & Better [ON JAVA]

🌍 A fully client-side modpack that tries to replicate the atmosphere as when playing with A&S for Java Edition. The modpack combines excellent ⚡ performance, ✨ atmosphere and beauty.

297kdownloads
WorldgenFeatureFix
1.21neoforge

WorldgenFeatureFix

Fix custom world generation datapack crashes when using minecraft:lake feature ( MC-273228 and MC-272370)

239kdownloads
KEO RPG optimized
1.21.1neoforge

KEO RPG optimized

Keo RPG is a fully Spanish, highly optimized modpack with over 200 mods that lets you rediscover Minecraft with freedom, RPG classes, magic, and epic bosses.

226kdownloads
Better Cobblemon (Pokemon)
1.21.1fabric

Better Cobblemon (Pokemon)

🔥 A Better Minecraft Pokemon Modpack 🚀 Enhanced Cobblemon Experience 🕺Filled with performance mods 💖

212kdownloads
VulkanMod Extra
1.21.5fabric

VulkanMod Extra

A comprehensive performance and quality-of-life enhancement mod for VulkanMod.

173kdownloads
PureCraft
1.21.8fabric

PureCraft

A lightweight Vanilla+ modpack that aims to enhance quality of life, performance, and exploration while maintaining a familiar and well-balanced core Minecraft experience.

167kdownloads
The Farm
1.21.1fabric

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.

153kdownloads
DB's Minecraft PLUS
1.21fabric

DB's Minecraft PLUS

A collection of mods that improve every aspect of Minecraft, while keeping a vanilla feel. Mods enhance the UI, Sounds, QOL, Exploration and plenty more.

152kdownloads
Noisiumed
1.21.6neoforge

Noisiumed

A performance-focused fork of Noisium that accelerates Minecraft's terrain generation through targeted optimizations. Generates chunks faster without altering world output.

134kdownloads
Ore Plus (Legacy)
1.21.9fabric

Ore Plus (Legacy)

This datapack incresses vanilla ores generation in Minecraft by adding custom configurations for the Vanilla Ores, making them generate more frequently.

131kdownloads
VR experience | Immersion plus  | [FABRIC] - [ 1.21.5!!]
1.21.7fabric

VR experience | Immersion plus | [FABRIC] - [ 1.21.5!!]

This modpack contains mods that add improved sounds, animations, effects, and more stable performance for a full ViveCraft experience.

129kdownloads
Bura
1.21.11fabric

Bura

Bura is an alpha Fabric performance mod that reduces lag spikes and improves FPS stability by optimizing chunk compilation, upload scheduling, and visibility culling in singleplayer.

111kdownloads
Better Underground Caves
1.19.2fabric

Better Underground Caves

Optimize the original cave terrain and add large underground cave terrain.

111kdownloads
Structure Control
1.21.4forge

Structure Control

Gives you control over which portals or structures are in your mod pack! Allows you to create a truly themed mod pack. No ruined portals, nether dimension, end dimensions, or even villages if you so desire. You're in total control!

110kdownloads
Sunveil
1.21

Sunveil

Enhanced Minecraft visuals with dynamic sun-tracking shadows, crystal-clear underwater exploration, warm golden lighting, and smooth anti-aliased shadow edges. Features realistic water reflections and optimized performance for all worlds.

96kdownloads
PVP Essentials
1.21.11fabric

PVP Essentials

Essential client side PvP features, including armor, potion, and arrow HUDs, damage indicators, and much more!

93kdownloads
WildRTP
1.18

WildRTP

Another RTP Plugin build on Performance & Features

86kdownloads
Chunky Offline
1.21fabric

Chunky Offline

An add-on/extension of Chunky to generate chunks when no players are online.

76kdownloads
I Know What I'm Doing!
1.21fabric

I Know What I'm Doing!

A simple mod to disable the pesky prompt that appears when loading into a world using experimental features Will not be updated

65kdownloads
ChillCraft - CC1
1.21.11neoforge

ChillCraft - CC1

Just a Chill modpack | Shaders | Distant Horizons | The best for your Minecraft phase | Enhanced Vanilla | Optimized

62kdownloads
Attack On Titan - Awakening Of The Titans
1.21.1fabric

Attack On Titan - Awakening Of The Titans

immersive and optimized attack on titan modpack

62kdownloads
Better Overworld (BOW)
1.21.1fabric

Better Overworld (BOW)

This Modpacks aims to better the aspect of Exploration in the overworld and including some Quality of Life while staying as Vanilla as possible.

54kdownloads
Arcadia Spawn Dimension
1.21.1neoforge

Arcadia Spawn Dimension

Arcadia Spawn is a lightweight, optimized NeoForge mod dedicated to creating the perfect server lobby or hub dimension.

52kdownloads
Cliff Face
1.21fabric

Cliff Face

A performance-friendly way of generating stone cliff faces for steep surfaces. Supports Terralith, Biomes 'O Plenty & more!

48kdownloads