HomeJava1.21

Minecraft Java 1.21 Mods

Browse 89 free mods for Minecraft Java 1.21 — popular picks include Blended Compat, Incendium Biomes Only, LagFixer.

Updated daily

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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
LagFixer
1.20

LagFixer

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

303kdownloads
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
BetterEnd: Remastered
1.21.1fabric

BetterEnd: Remastered

BetterEnd Remastered completely overhauls the End dimension! Discover 24+ breathtaking biomes, exotic mobs, custom terrain, and powerful new gear. Forged natively for Minecraft 1.21.1 with exclusive performance optimizations and critical bug fixes!

44kdownloads
Cobblemon: Duck's Definitive Edition
1.21.1fabric

Cobblemon: Duck's Definitive Edition

Enhance your Cobblemon experience with new biomes, Legendary Pokemon quests and spawns, Pokemon Capture EXP as well as QOL features like Teleporters, Falling Trees, Pokemon Map Icons, and FINALLY Updated Pokemon Drops, removing the need for mobs!

25kdownloads
Create: Dimension, Steamworks Realm
1.21.1neoforge

Create: Dimension, Steamworks Realm

Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores

25kdownloads
NeoTech Reborn
1.21.1neoforge

NeoTech Reborn

650+ Mods | 400+ Custom Enchantments 📚 | 1000+ Mobs 🐉 | Magic & Tech Combined ⚡ | 1000+ Epic Structures 🏰 | Stunning Shaders 🌄 | Optimized for High Performance 🚀 | Everything You Need in One Pack!

20kdownloads
Tpsum
1.21.1neoforge

Tpsum

Performance optimization mod improves mob spawning, biome lookup, worldgen allocations, and task loop hot paths.

18kdownloads
PlayerProgress
1.16

PlayerProgress

PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.

16kdownloads
PerformanceX
1.19fabric

PerformanceX

Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.

14kdownloads
Stuffed Pack!
1.21.1neoforge

Stuffed Pack!

A family friendly modpack designed with performance in mind featuring new creatures, items, biomes, and structures to explore. This is a Vanilla+ pack designed for people who are already familiar with Minecraft.

12kdownloads
MC-Reality Mod
1.21.4

MC-Reality Mod

this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player

6.7kdownloads
All Of Utility 2
1.21.11fabric

All Of Utility 2

Redstone tech, carpet+addons, exploration, visual, QOL, building tools.

6.2kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.0kdownloads
Cobblemon LowHand Extreme Optimize Mobile pc
1.21.1fabric

Cobblemon LowHand Extreme Optimize Mobile pc

Welcome to Cobblemon LowHand Extreme Optimize — the lightest Cobblemon experience ever created! For low end devices

4.9kdownloads
Universal Blocking
1.21.1fabric

Universal Blocking

🗸 Ultimate server-side control mod for Minecraft. Block any item, block, craft, or mob spawn using 11 configurable flags, wildcards, and tags. Hide items from Creative tabs and JEI and etc.

4.1kdownloads
INFERNO ADVENTURES
1.21.11fabric

INFERNO ADVENTURES

This modpack includes new world generation, new rpg classes, new structures, new weapons, new mobs and animals, new foods and ways to cook them, battle ships, dragons, new accessories and much more!

3.7kdownloads
Dong Dong's random creation
1.21.1neoforge

Dong Dong's random creation

magic and energy,new ore,new dimension,new tool and weapon type.

3.3kdownloads
CobbleMaster
1.21.1neoforge

CobbleMaster

The official Cobblemon: Mega Showdown modpack — competitive battles, tech automation, and endless exploration, all in one.

3.1kdownloads
CreateServer perfect modpack
1.21.1forge

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

2.0kdownloads
Thijzert's Exploration Pack
1.21.1fabric

Thijzert's Exploration Pack

Explore new structures and new mobs in a vanilla way!

1.9kdownloads
Cobblemon - Ranked PVP - Competitive PVE - #1 SMP-Server Pack
1.21.1fabric

Cobblemon - Ranked PVP - Competitive PVE - #1 SMP-Server Pack

Play Cobblemon the way it’s meant to be experienced — optimized mods, balanced gameplay, and direct server access.

1.9kdownloads
{Additions} A Vanilla+ Experience
1.21.10fabric

{Additions} A Vanilla+ Experience

{Additions} is a Vanilla+ based Modpack with new terrain generation, optimisation, new mobs, new blocks, visual improvements and more!

1.6kdownloads
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

1.4kdownloads
Ban bat
1.21

Ban bat

Do you hate these annoying little pests? This mod/datapack can make them disappear!

1.1kdownloads
Explorer's Haven
1.21neoforge

Explorer's Haven

Explorer's Haven is an adventure modpack enhancing exploration, biomes, dungeons, and visuals for smooth performance. Discover new landscapes, battle mobs, and enjoy quality-of-life features while preserving Minecraft’s core experience.

1.1kdownloads
CobbleSpawnRegions
1.21.1fabric

CobbleSpawnRegions

This mod adds region based custom cobblemon spawning

1.0kdownloads
TERRA [Wild Adventures]
1.21.1neoforge

TERRA [Wild Adventures]

A Minecraft modpack designed for realism and adventure, featuring custom world generation, immersive dungeons, new mobs, weather and catastrophes, along with enhanced sounds and visuals.

1.0kdownloads
Modded Complete
1.21fabric

Modded Complete

A Minecraft modpack that expands gameplay with new biomes, mobs, technology, magic, structures, and tools, creating deeper exploration, challenges, automation, and creative building possibilities.

958downloads
The Goofy Gooners MC
1.21.1fabric

The Goofy Gooners MC

An enhancement to the vanilla gameplay with new mobs and biomes, with many new structures to explore and dungeons to loot, all while running smooth with performance mods

930downloads
Quins Craftoria
1.21.1neoforge

Quins Craftoria

A enhanced version of craftoria with sodium and animal mods!

921downloads
Desolate Pale Garden
1.21.5

Desolate Pale Garden

A datapack which removes all hostile mob spawns in the Pale Garden except the Creaking, which adds to the ambiance of the biome!

888downloads
Shulker's Forever
1.21.8fabric

Shulker's Forever

Adds performance and visual updates, plus a few simple mobs.

852downloads
Cobblemon Odyssée
1.21.1fabric

Cobblemon Odyssée

A wild world awaits you, with floating islands, enchanted forests, and roaring volcanoes, where riding your Pokémon will lead you to hidden zones and treasures. Cooperation, exploration, and competition set the pace for this adventure where Pokémon roam fr

852downloads