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Minecraft Java 1.21 Mods

Browse 1,026 free mods for Minecraft Java 1.21 — popular picks include Licochpo's Isopods, Spidertron, Wild Creatures.

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Licochpo's Isopods
1.21.1neoforge

Licochpo's Isopods

A simple mod that adds over 100 real isopods! Collect and breed them all!

1.7kdownloads
Spidertron
1.21.1neoforge

Spidertron

Adds the Spidertron vehicle from Factorio into Minecraft

1.7kdownloads
Wild Creatures
1.20.1fabric

Wild Creatures

Adds lively land, water and forest creatures to Minecraft with custom drops, duck eggs, GeckoLib animations, balanced spawns and optional mod integrations.

1.6kdownloads
Auto Clicker by Its_SxNu
1.21.4fabric

Auto Clicker by Its_SxNu

A simple auto clicker

1.5kdownloads
Lost In The Caves
1.21.1forge

Lost In The Caves

Mod about survival in caves ONLY.

1.5kdownloads
Danny's Dragons
1.21.1neoforge

Danny's Dragons

This is a data pack/resource pack packaged as a mod which adds Two custom dragon variants. The first is the light fury from how to train your dragons, the second is a radiation dragon themed for my modpack. Made For Dragon Mounts Remastered 1.21.1 NeoForge

1.4kdownloads
Twilight Tavern
1.21.1neoforge

Twilight Tavern

Magical, cozy cottage? Or a dark wizard dungeon? Your choice! No futuristic automation mods. The modpack is a curated mix of magical, fantasy and farm related mods with challenging, dark outside world full of monsters and bosses.

1.3kdownloads
Small Slimes
1.21.4neoforge

Small Slimes

Force Slimes to spawn tiny

1.2kdownloads
Create - The World(Arcane)
1.21.1neoforge

Create - The World(Arcane)

A High-Fantasy inspired Create centered RPG modpack, delve into the secrets of the arcane, develop engineering marvels, and face horrible monsters and bosses as you survive in a world at war.

1.1kdownloads
JJK: Sorcery Unbound
1.21.1neoforge

JJK: Sorcery Unbound

JJK: Sorcery Unbound is a vanilla-styled Jujutsu Kaisen mod built around Cursed Energy, relic-driven progression, and mob-based technique unlocks.

1.1kdownloads
Descend Happy Ghasts
1.21.11fabric

Descend Happy Ghasts

Descend your Happy Ghast with a simple key press! Now you can float down with a Happy Ghast without having to look away from where you're working.

1.1kdownloads
Enny's Food
1.21.1neoforge

Enny's Food

New kinds of food

993downloads
Enderberry :return safe location +teleport animals or villagers,  alternative to Carry On /home /back /spawn
1.21.1neoforge

Enderberry :return safe location +teleport animals or villagers, alternative to Carry On /home /back /spawn

temporary alternative to Carry On ,recall bed,home command. allows players to bind and teleport animals, villagers, and aquatic creatures to desired locations, simplifying mob logistics.move mobs,portable mob,relocate,pick up

931downloads
Kind Seagull
1.21.1neoforge

Kind Seagull

Make Alex's Mobs seagulls kind.

911downloads
Problematics
1.21.1neoforge

Problematics

Adds lots of new mobs to the game that make the game more challenging.

906downloads
Custom Lootbag
1.21.1neoforge

Custom Lootbag

Add 4 basic lootbags dropped by monsters when you kill them, they are 100% customizable, you can create your own lootbags in the config file, change the loot and change which mob loot from the lootbag, change the drop chance and many other things

862downloads
WayneTech Garage (IV/MTS)
1.21forge

WayneTech Garage (IV/MTS)

Immersive vehicles pack to add various vigilante automobiles

855downloads
Mo' Creatures Port
1.21.1neoforge

Mo' Creatures Port

Original by DrZharky. I ported it because the mod was abandoned and I wanted to play it on newer versions. This is a fan-made, non-profit project made out of love for the mod. It's ~90% complete. Please report bugs or missing features.

815downloads
Mobility Shop
1.21.1neoforge

Mobility Shop

Mobility Items in Minecraft

781downloads
Cobblemon: New Frontiers
1.21.1neoforge

Cobblemon: New Frontiers

Explore, build, and battle in Cobblemon: New Frontiers, where Pokémon meets Minecraft. Capture creatures, automate your world, and take on epic adventures with friends in a vast landscape

771downloads
Riders of Dragons
1.21.1neoforge

Riders of Dragons

Have dragons in your world that you are able to tame, ride, explore, and battle with.

741downloads
OneBlock [Helper]
1.21.4fabric

OneBlock [Helper]

A refined upgrade to the OneBlock experience, this modpack enhances automation, resource management, and performance. It optimizes progression, minimizes repetition, and provides tools for improved efficiency without altering the core challenge.

703downloads
Just All Mods - JAM
1.21.1neoforge

Just All Mods - JAM

Jams is a modpack built for everybody you want bosses, cozy cooking and farming mods, new pets or tech mods? Well JAM has all of that plus more we have 1000+ quest in case you're new to mods come on and give it a try.

696downloads
Happy Ghast Flight
1.21.8fabric

Happy Ghast Flight

This mod modifies the flying speed of Happy Ghasts, assigning them a custom ride_speed attribute with a random value between configurable minimum and maximum limits

664downloads
CobbleFactory - TUF
1.21.1neoforge

CobbleFactory - TUF

Tech/Creature modpack: Automate factories while discovering unique creatures!

657downloads
Glued: Reborn
1.20.1forge

Glued: Reborn

Make mobs stand still, turn them into lightweight NPC-like decorations, and reduce unnecessary server-side AI/pathfinding cost.

635downloads
Sad's Zombies (tw gore)
1.21.4neoforge

Sad's Zombies (tw gore)

Adds a new type of Zombie and potion effect.

613downloads
Crop and Craft
1.21.5neoforge

Crop and Craft

CropCraft is a mod that turns ordinary farming into a genetic laboratory. Cross-breed plants, create unique hybrids with special properties, and unlock new possibilities for farming!

527downloads
Armed Villager Agency
1.21.4neoforge

Armed Villager Agency

Adds a structure alongside villagers with glocks (Guns). The structure contains high quality loot, infiltrating their agency isn't worthless.

508downloads
Mob Farms
1.21.1neoforge

Mob Farms

A simple mod enabling 1-block upgradable spawner, that directly yeild drops of various mobs.

506downloads
Infinite Zenith Quest Modpack (1.21.1) – Huge Quests Tech And Magic
1.21.1

Infinite Zenith Quest Modpack (1.21.1) – Huge Quests Tech And Magic

Infinite Zenith Quest Modpack brings a massive world filled with hundreds of mods, deep technology systems, and rich magic to explore. You can dive into trial chambers, follow a guided quest book, grow rare materials in your garden, and automate entire factories. It lets you craft powerful endgame gear, tame wild creatures, and conquer dangerous […]

Scannable Reforged Mod (26.1.2, 1.21.1) – Locate Underground Ores
1.21.1

Scannable Reforged Mod (26.1.2, 1.21.1) – Locate Underground Ores

Scannable Reforged Mod equips you with a handheld scanner to detect nearby ores, mobs, chests, and mob spawners. It brings customizable scanning tools to newer game versions alongside fresh modules and a larger energy buffer. You can customize the device with interchangeable modules to pinpoint exact targets through solid ground without blind mining. Features: Handheld […]

Better Create Aeronautics With Create Addons & Improvements Modpack (1.21.1) – Build And Fly Custom Aircraft
1.21.1

Better Create Aeronautics With Create Addons & Improvements Modpack (1.21.1) – Build And Fly Custom Aircraft

Better Create Aeronautics With Create Addons & Improvements Modpack expands engineering gameplay with flight controls, engine upgrades, and aerial travel across a lively world. You can build massive automated factories, assemble custom flying ships with gyroscopes and thrusters, and explore new biomes filled with animals and structures. It brings together handy quality-of-life tools, dynamic contraptions, […]

Pelagic Prehistory Mod (1.21.1, 1.20.1) – Revive Prehistoric Sea Monsters
1.21.1

Pelagic Prehistory Mod (1.21.1, 1.20.1) – Revive Prehistoric Sea Monsters

Pelagic Prehistory Mod adds prehistoric sea creatures and fossil excavation to ocean biomes. It lets you search the sea floor for ancient sediment to extract DNA and bring extinct marine animals back to life. You can also find living cuttlefish and dugongs, plant ancient trees, and craft specialized revival machinery. Revived animals safely drop as […]

Galaxy Under Chaos a Star Wars Experience Mod (1.21.11, 1.20.1)
1.21.11

Galaxy Under Chaos a Star Wars Experience Mod (1.21.11, 1.20.1)

Galaxy Under Chaos a Star Wars Experience Mod brings an intergalactic sci-fi adventure to your Minecraft world. Players travel across multiple themed planets filled with new resources, dangerous mobs, and ancient ruins. The mod gives you the tools to gather rare materials like titanium and chromium to forge energy weapons with quadrillions of customization options. […]

Create Above The Horizon Modpack (1.21.1) – Fly Airships Across Upgraded Lands
1.21.1

Create Above The Horizon Modpack (1.21.1) – Fly Airships Across Upgraded Lands

Create Above The Horizon Modpack adds flying machines and upgraded terrain to make your standard world more exciting. You can engineer real moving airships, meet wild animals, and face tougher challenges as you grow stronger. Helpful little tweaks make building and sorting items much easier from day one. Features: Working Flying Machines: Build your own […]