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Minecraft Java 1.21 Mods

Browse 1,627 free mods for Minecraft Java 1.21 — popular picks include Advanced Compounds & Alloys, CorruptionCraft, INeedMoreWeapons.

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Advanced Compounds & Alloys
1.21.8neoforge

Advanced Compounds & Alloys

AC&A is a very large mod mainly based around science. It is MOSTLY scientifically accurate, but of course not completely, some things are simplified for gameplay (though not massively) and some things I have not been able to find good sources.

231downloads
CorruptionCraft
1.21

CorruptionCraft

A plugin that challenges players. Random events can occur. (no Spoilers!)

231downloads
INeedMoreWeapons
1.21.9

INeedMoreWeapons

This datapack adds 80+ weapons and crafts!

230downloads
Tung Tung Tung Sahur
1.21.1forge

Tung Tung Tung Sahur

This is a joke mod, don’t take it seriously! I was learning some programs while making this mod, and decided to upload it to the internet just so it would exist.

229downloads
CustomOverlay
1.21.4fabric

CustomOverlay

CustomOverlay allows placing images over your Minecraft screen. Access the menu with I, edit with O, and use Shift for grid snapping. Supports many formats like PNG and GIF.

228downloads
TowelPack Create
1.21.1neoforge

TowelPack Create

A modpack designed for factory nerds who think surviving in Minecraft is too easy. Featuring a lot of modded mobs, a lot more vanilla ones, Create Mod, two magic systems, and more! (This is mostly a modpack for a private server with my friends)

228downloads
Fever MC
1.21.1neoforge

Fever MC

A pretty large modpack full of create, energy, exploration, decretive, and so many more mods for you and your friends to enjoy!

226downloads
create X ars nouveau
1.21.1neoforge

create X ars nouveau

Combine advanced engineering and powerful magic in a unique Minecraft experience.

225downloads
firechargelauncher
1.21.10fabric

firechargelauncher

A launcher that can shoot fire charges. There's also a bonus

225downloads
Wizards of the Industrial Age
1.21.1neoforge

Wizards of the Industrial Age

This Project adds Wizardry how it might have been in the Industrial Age

224downloads
Forged Entropy
1.21.1neoforge

Forged Entropy

This project is focused in low quality PCs, specifically non-Gamer laptops. It adds a progressive world with a difficulty bar. You can create machines to generate resources, explore ruins, towers and dungeons. The difficulty grows with the elapsed time.

223downloads
Anti Magic
1.21.1neoforge

Anti Magic

A powered containment system for selectively suppressing vanilla supernatural mechanics in Minecraft

222downloads
The Great Expansion
1.21.1neoforge

The Great Expansion

A tech and resource progression mod focused on machines, alloys, exotic materials, and advanced crafting systems.

222downloads
Void Exp
1.21.10fabric

Void Exp

This mod adds a lot content from TBoTV arg! (The Bottom of The Void)

221downloads
Infection Plants
1.21.1neoforge

Infection Plants

Deadly plants that spread, infect, and consume your world. Fight back with flamethrowers, purifiers, and more!

221downloads
SupernovaSMP 2
1.21.1neoforge

SupernovaSMP 2

Modpack with painting, vehicles, chaos and custom made features like blinding your screen when you get close to a specific eldritch being.

220downloads
Hearthvale
1.21.1neoforge

Hearthvale

A variety kitchen sink modpack designed to allow all kinds of players to enjoy. Explore dimensions, fight bosses, farm all sorts of crops, create automation machines, or transform the world with powerful magic.

220downloads
Steamspire Syndicate II
1.21.1neoforge

Steamspire Syndicate II

Steampunk modpack thats centered around automation.

219downloads
theorematurgy
1.21.1neoforge

theorematurgy

mod that throws you in most powerful magic system

219downloads
PurePerformance
1.21fabric

PurePerformance

An Optimalization modpack just for your needs. Made for Low and High end PCs too

219downloads
EasyTABpl
1.21

EasyTABpl

Customizable Minecraft TAB menu with placeholders, colors, and dynamic player info.

216downloads
Explosions And Stuff
1.21.1neoforge

Explosions And Stuff

Added use for wardens! and explosions. For 1.21.1 Neoforge!

216downloads
Farmer Golem
1.21

Farmer Golem

Create automated farming golems. Perfect for automating your farm while adding a magical touch to your world.

216downloads
AdvancedDeliveryDrones
1.21

AdvancedDeliveryDrones

🛸 Advanced Delivery Drones is a comprehensive Minecraft plugin for real-time item and animal transport via customizable physical drones.

211downloads
RanchMania
1.21.1neoforge

RanchMania

A simulator based on horses, magic, and a fair amount of technology to explore new features

210downloads
Bobi's Realm
1.21.10fabric

Bobi's Realm

Explore Bobi's Realm, a massive, realistic Minecraft world. No survival pressures—just endless landscapes, cinematic weather, and immersive biomes. Adventure, creativity, and exploration await every corner of this breathtaking realm.

210downloads
Give Me More Graphics
1.21.11fabric

Give Me More Graphics

Give Me More Graphics is a Fabric 1.21.11 modpack that upgrades Minecraft’s visuals with better particles, foliage, lighting, ambient audio, and animation polish while keeping core gameplay vanilla-friendly, performance-balanced, and shader-ready through o

207downloads
DarkMetaKnight's Adventure Pack
1.21.1neoforge

DarkMetaKnight's Adventure Pack

A heavily configured, adventure focused pack with balance, challenge and freedom in mind.

206downloads
[✨] AUTOMAGIC - Survival friendly magic spells, weapons, gadgets, machines, and more! (W.I.P)
1.21spigot

[✨] AUTOMAGIC - Survival friendly magic spells, weapons, gadgets, machines, and more! (W.I.P)

Spells meet Supply chains

206downloads
Glowing Plugin
1.18

Glowing Plugin

Glowing plugin where players glow every few minutes for exiting pvp mini games and die if they logout during the effect.

202downloads
Unified Synthesis
1.21.1neoforge

Unified Synthesis

This modpack strives to unify Ars and Create. Made for use on a private server, not throughly tested. hic sunt dracones

202downloads
Create well Optimised
1.21.1neoforge

Create well Optimised

A pretty optimised modpack containing create and some other niche mods.

200downloads
Glitch's Vanilla Plus
1.21fabric

Glitch's Vanilla Plus

A vanilla plus modpack that is just really pretty cool.

200downloads
Jarvis companion mod
1.21.11fabric

Jarvis companion mod

This mod adds the famous J.A.R.V.I.S (Just a Rather Very Intelligent System ) as a companion to your Minecraft Java!

199downloads
Magnetite Block
1.21.5fabric

Magnetite Block

The Magnetite Block is a powerful vacuum block that automatically pulls in dropped items

199downloads
AvM Staff data pac
1.21.9

AvM Staff data pac

A data pack that adds a powerful staff with multiple magical abilities and custom effects

198downloads