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Minecraft Java 1.21 Mods

Browse 202 free mods for Minecraft Java 1.21 — popular picks include Techia, FrenchCube, Kappa's AntiCheat.

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Techia
1.21.5fabric

Techia

Techia is a balanced Minecraft modpack that combines technology, exploration, and creative building.

1.5kdownloads
FrenchCube
1.21.1neoforge

FrenchCube

FrenchCube is a modpack for the server of the same name which combines creation, factory, optimization, and exploration.

1.4kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

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

1.4kdownloads
LenkPack
1.21.1neoforge

LenkPack

A collection of mods for Storage, Automation and Performance

1.3kdownloads
VOID-BOX2
1.21.1neoforge

VOID-BOX2

Adventure, Technology, Magic and many QUESTS! All within one single package with the best possible optimization!

1.3kdownloads
Staff X-Ray
1.21

Staff X-Ray

A powerful and optimised X-Ray for your server's staff

1.3kdownloads
 2Gather [Aeronautics]
1.21.1neoforge

2Gather [Aeronautics]

A Create-focused modpack with advanced redstone logic using More Red, magic through Ars Nouveau and Apotheosis, engineering, automation, airships, exploration, and carefully selected mods for a polished, high-performance experience.

1.3kdownloads
ChunkDeleter
1.20.1

ChunkDeleter

Advanced chunk cleaner plugin that deletes unused chunks for Paper/Folia servers

1.3kdownloads
PokéDoge
1.21.1fabric

PokéDoge

Cobblemon, Farmer's Delight, Oritech, & Etherology create a well blended pack that mixes Minecraft and Pokémon with technology, magic, exploration, and cozy building!

1.2kdownloads
UnderWorld SMP Modpack
1.21.1neoforge

UnderWorld SMP Modpack

A heavily modded Minecraft experience focused on underground exploration, survival, and community. Dig deep, build creatively, and thrive in a world where the real adventure starts below the surface.

1.2kdownloads
G1axWorldGenerator
1.21

G1axWorldGenerator

G1axWorldGenerator is an open-source Minecraft world generation plugin designed to create biome-aware, layered terrains with realistic hills, valleys, and block depth structures.

1.1kdownloads
Roziaria
1.21.1neoforge

Roziaria

Built around the Create mod and its addons, with 70+ new biomes, new structures and Fresh Animations, while staying mostly lag free! Now with Modular Backpacks.

1.1kdownloads
G1axFixer
1.21.11fabric

G1axFixer

G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.

1.1kdownloads
PolarConverter
1.21.9fabric

PolarConverter

The Fabric Mod will Convert your Worlds into Polar

1.1kdownloads
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.

998downloads
OreoEssentials
1.21

OreoEssentials

The ONLY fully cross-server, all-in-one Essentials plugin ! FOLIA SUPPORTED ! Nexo/ ItemsAdder FULL support !

988downloads
Sneykor's Cobblemon online
1.21.1fabric

Sneykor's Cobblemon online

The modpack contains mods that allow you to have fun playing the Cobblemon mod. There is a new world generation, improved content with Pokémon (Pokémon riding, TM/TR, items, regular and legendary Pokémons), farming, building blocks and storage systems etc.

987downloads
Create & Conquer
1.21.1neoforge

Create & Conquer

Modern Survival Engineering with expansive world generation

958downloads
AI Builder
1.20

AI Builder

AIBuilder is a Spigot plugin that uses DeepSeek to generate JSON build plans from prompts and automatically constructs them inside a selected region with optional streaming, validation, and AI bot control.

903downloads
Create: Endless Industry
1.21.1neoforge

Create: Endless Industry

A large Create-focused modpack about automation, engineering, factories, exploration, building, changed progression, and creating your own endless industrial world.

902downloads
Auramine
1.21.1neoforge

Auramine

Welcome to Auramine, a unique combination of magic, industry, and exploration features designed to enhance your Minecraft experience.

866downloads
Cobblemon Phantoms
1.21.1fabric

Cobblemon Phantoms

Cobblemon Phantom is a modpack that blends Pokémon-inspired gameplay with Minecraft’s survival and exploration. It features custom creatures, eerie environments, and competitive elements like 1v1 duels, all wrapped in a dark, mysterious aesthetic.

860downloads
Steamon
1.21.1neoforge

Steamon

A simple modpack combining Create and Cobblemon, with exploration and mods to play together. Server modpack will also be available.

797downloads
NoMonsInMyWorld
1.21.1fabric

NoMonsInMyWorld

a lightweight, server-side Minecraft Fabric mod for Cobblemon that gives you per-world control over Pokémon spawning. Block specific species, filter by type/shiny status, or completely disable spawns in hub worlds, minigame maps, or curated dimensions.

786downloads
BetterWorldGenerAtion
1.21.8fabric

BetterWorldGenerAtion

A Modpack about new World Generation and an overall better plaing experience. This Modpack is focused towards single player.

745downloads
MISSING_TEXTURES
1.21.1neoforge

MISSING_TEXTURES

A modpack focused on adventure, progression, automation, and smooth performance, originally made for my SMP but fully playable in singleplayer too!

725downloads
WorldSystem
1.17

WorldSystem

Give players the ability to create their own world to play on, without using different servers. (per player worlds)

718downloads
Everbound
1.21.1neoforge

Everbound

A vanilla plus pack built around Create and Exploration.

707downloads
LavaMiner
1.21.1neoforge

LavaMiner

Server modpack focused on exploration, technology and fun! Built around Create 6.

698downloads
NeoSpawn - MGZCraft
1.21.1neoforge

NeoSpawn - MGZCraft

🌌 MGZCraft - NeoSpawn: Explore a renewed Minecraft! This modpack offers an immersive experience, balancing adventure, technology, magic and challenges, with maximum focus on performance and stability. Get ready for a new era of fun! 🚀

696downloads
Voidcore.cc
1.21.1neoforge

Voidcore.cc

A generally small pack containing some QoL mods alongside performance mods and different tech mods. A pack "locked" in time and made for forever worlds (unless breaking changes).

690downloads
The Hunter Project
1.21.1neoforge

The Hunter Project

The Hunter Project is an epic modpack centered around Cobblemon, Create, and MineColonies. Hunt powerful Cobblemon, build massive automated factories, and grow your own thriving colony empire in a beautiful, optimized world.

682downloads
MineColonie GRTQ
1.21.1neoforge

MineColonie GRTQ

MineColonie GRTQ is a cozy colony-builder and automation modpack featuring MineColonies and Create—build a living town, design clever factories, and explore a polished survival experience with performance and QoL tweaks.

676downloads
Strength 4
1.21.8fabric

Strength 4

This mod give you strength 4 portion in your game/minecraft world this very use full to figth with you friend more damage more win

665downloads
ChunkTales Season 2
1.21.1neoforge

ChunkTales Season 2

A create focused modpack with enhanced performance to decelerate in a fast moving world. Slight elements of exploration and RPG contained!

663downloads
Simply Create & Chill
1.21.1neoforge

Simply Create & Chill

Simply Create & Chill is a lightweight, vanilla-friendly modpack built around the Create mod, with added food, decor, worldgen, and QOL upgrades for immersive solo or multiplayer play.

638downloads