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Minecraft Java 1.21 Mods

Browse 283 free mods for Minecraft Java 1.21 — popular picks include T.error, Magnetizing, Mechanical March.

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T.error
1.21.4neoforge

T.error

T.error adds a terrifying entity that stalks you, sends creepy messages, and corrupts your world, turning Minecraft into a true horror experience.

611downloads
Magnetizing
1.21neoforge

Magnetizing

Adds items and blocks based around magnets

603downloads
Mechanical March
1.21.1neoforge

Mechanical March

A simple modpack with create as a central focus. It removes Elytra in exchange for a configured Immsersive Aircraft to make exploration more costly but still fairly trivial.

594downloads
Legends Awaken
1.21.1fabric

Legends Awaken

A mod that brings together legendary worlds into one immersive experience.

590downloads
Creating Sandwiches
1.21.1neoforge

Creating Sandwiches

Creating sandwiches with mechanical technology

588downloads
CoreExtractionX
1.21

CoreExtractionX

A Paper plugin for YAML-driven block extraction, block replacement, preserved natural drops, and configurable extra item drops.

588downloads
Arcforge
1.21.1neoforge

Arcforge

Arcforge is a bold modpack blending magic and mechanics, ancient and advanced. Whether mastering magic, engineering redstone, exploring new dimensions, or building grand cities—Arcforge gives you the tools to forge your path.

579downloads
SpyCore
1.21

SpyCore

Organize your worlds like never before. Create, clone, and manage worlds on the fly without ever restarting your server.

574downloads
Create: Mechania - (C:M1)
1.21.1neoforge

Create: Mechania - (C:M1)

A Vanilla+ modpack that empowers players to build limitless mechanical marvels and embark on adventures driven by creativity and engineering.

572downloads
Untitled Modpack - Hard Survival
1.21.1neoforge

Untitled Modpack - Hard Survival

Untitled Modpack enhances survival with immersive world generation, fluid movement mechanics and automation.

571downloads
FactoryM
1.21forge

FactoryM

FactoryM is a modpack that improves the Minecraft experience in exploration (with biome mods), mechanisms (with the create mod) and also adds visual improvements such as shader compatibility

570downloads
Reforested
1.21fabric

Reforested

A Reimagining/Love letter to Forestry and Binnie's Mods for Minecraft Fabric 1.21

564downloads
CreateZone
1.20.1forge

CreateZone

CreateBlock is a vibrant world packed with complex structures, advanced mechanics, and endless creativity. Every block is filled with energy, technology, and possibilities. Build, design, and explore a futuristic universe where imagination turns into real

563downloads
UltraSingleBiome
1.21

UltraSingleBiome

A custom world generator for Minecraft servers, optimized for Crystal PvP with an automatic Desert biome world.

560downloads
Mechanik
1.21.1neoforge

Mechanik

A Create modpack with cool exploration and automaiton mods

525downloads
Addie's T.A.R.D.I.M
1.21

Addie's T.A.R.D.I.M

This adds the tardis (from doctor who) into minecraft via a datapack and resourcepack

525downloads
Cubic Realism
1.21.1neoforge

Cubic Realism

CB is a mod made with Mcreator, having the goal of revamping minecrafts realisim and magic. From perma ban swords to steelmaking and even lead poisoning, this mods goal is to have it all! (Yes that includes bombs).

517downloads
AwesomeNeeded
1.19

AwesomeNeeded

The ultimate all-in-one Essentials replacement with full in-game UIs, economy, shops, claims, kits, crates, rewards, RTP, TPA, scoreboards, messages, moderation tools, and so much more — all in one plugin.

511downloads
Eternal Quests: RPG Overhaul
1.21.8neoforge

Eternal Quests: RPG Overhaul

Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!

510downloads
Craft and Furious
1.21.1neoforge

Craft and Furious

This modpack is based on industry and mechanization. Build the industrial city of tomorrow!

509downloads
Underground Unlimited
1.21neoforge

Underground Unlimited

A cool mod that modifies the underground adding new blocks, new structures, and more. Hop into the deep unknown. Be careful though all who go only some come back.

506downloads
Industrium Mod
1.21fabric

Industrium Mod

Industrium is the all new mod for revamping your minecraft with a fresh set of items and blocks!

492downloads
ShadowBorders
1.21fabric

ShadowBorders

ShadowBorders is a powerful per-dimension world border system for Minecraft Fabric servers.

489downloads
CrashBlock
1.19

CrashBlock

Custom Blocks. CrashBlock allows you to create fully custom blocks and easily animate them using the integrated Model Editor.

486downloads
Cobbromon
1.21.1neoforge

Cobbromon

This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.

479downloads
Laicaps
1.21.1neoforge

Laicaps

[Alpha] A fantasy space exploration mod - for neoforge 1.21.1

477downloads
Stellar Depths
1.21.1neoforge

Stellar Depths

Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.

461downloads
PlayerCodes
1.20.1fabric

PlayerCodes

Player Codes lets players share their own live codes with friends and the community. Players must explicitly opt in to publish their codes, so everything is consensual and transparent. Perfect for servers, content creators,

454downloads
Better Than Fireflies
1.21.1neoforge

Better Than Fireflies

This is a mod that takes the lazy vanilla drops like fireflies and instead adds actually needed features, transforming an innocent children game into grindy nightmare (still in alpha).

423downloads
CaloCraft 2
1.21.1fabric

CaloCraft 2

CaloCraft is a combination of mods to create a personally satisfying Minecraft experience. It comprises of 240+ Mods and Resource Packs, ranging from world gen changes to new items and mechanics. 2.0 currently in Beta and anything is subject to change

415downloads
MinecraftContentExpansion
1.21.1neoforge

MinecraftContentExpansion

New early game, new materials, new mechanics, new tools and much more!

399downloads
MHDF-Tools
1.17.1

MHDF-Tools

MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨

396downloads
Ethereal Blasters
1.21.1neoforge

Ethereal Blasters

A mod that combines the power of Magic into modernized forms of Combat!

385downloads
LightItemremove
1.19.4

LightItemremove

Effortlessly clean up dropped items with a sleek hologram countdown

380downloads
Wireless Redstone Plugin
1.21

Wireless Redstone Plugin

Adds wireless redstone to cross long distances easily

374downloads
Metals: A Progression Overhaul
1.21.4

Metals: A Progression Overhaul

A simple, vanilla friendly progression overhaul.

365downloads