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Minecraft Java 1.21 Mods

Browse 617 free mods for Minecraft Java 1.21 — popular picks include Instant Win Button, Garfeldi [Cobblemon], Chefmakes' Custom Peaceful.

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Instant Win Button
1.21.9

Instant Win Button

Adds an instakill melee weapon... or so you thought.

209downloads
Garfeldi [Cobblemon]
1.21.1fabric

Garfeldi [Cobblemon]

Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.

204downloads
Chefmakes' Custom Peaceful
1.21.11fabric

Chefmakes' Custom Peaceful

This is a peaceful mod for people who might want more out of peaceful, not less

204downloads
Uno Reverse Cow
1.21.11fabric

Uno Reverse Cow

"The ultimate 'no u' for Minecraft. Try to milk a cow, and she'll milk you instead. Get a custom bucket of 'YourName's Milk'!"

204downloads
The Corrupted Past
1.21.8neoforge

The Corrupted Past

He destroyed it all. He killed us all. He did this to us.

204downloads
Freeze Mobs on look
1.21.11fabric

Freeze Mobs on look

When You look at mobs they freeze

204downloads
The Lost Levels
1.21.11fabric

The Lost Levels

The Lost Levels is a Backrooms-inspired horror and exploration mod that adds several liminal dimensions to Minecraft.

196downloads
Carpet-dwk-Addition
1.21fabric

Carpet-dwk-Addition

This mod adds new rules to /carpet

196downloads
Quiet Apocalypse
1.21.1fabric

Quiet Apocalypse

Atmospherice, cosmic horror mod (megalophobia)

194downloads
Solid Entity Hitboxes
1.21.6

Solid Entity Hitboxes

This server-side mod makes certain entity hitboxes solid

192downloads
Chickens do FLY
1.21.5fabric

Chickens do FLY

Chicken do fly! Allows you to glide down with chickens

192downloads
ZeeInfused
1.21

ZeeInfused

A competitive PvP plugin where kills reward you with permanent positive effects and deaths curse you with negative ones. Inspired by the Infuse SMP created by InfamousJJ and Dione

191downloads
Usefuller Ghasts!
1.21.7fabric

Usefuller Ghasts!

Configure the speed of happy ghasts (up to double speed) and craft an exotic new item that makes your happy ghast shoot fireballs!

190downloads
Hotter Mania
1.21.1neoforge

Hotter Mania

Mod updates savannas, deserts and badlands

187downloads
Ranold's Better Squids
1.21.4fabric

Ranold's Better Squids

Improves Minecraft squids!

187downloads
Everything's Exploding!
1.21.11fabric

Everything's Exploding!

Make all mobs/animals behave like the creeper

186downloads
Chicken Jockifier
1.21.5

Chicken Jockifier

A Minecraft Movie based data pack that turns adjacent baby zombies and chickens into chicken jockeys

182downloads
Hacker Villager
1.21.1neoforge

Hacker Villager

Place a command block next to an unemployed villager and the villager will now offer you unobtainable items!

181downloads
Maximum Difficulty
1.21.5fabric

Maximum Difficulty

A mod that increases the difficulty of Minecraft to its maximum, reaching 32-bit integer limits.

179downloads
Better Spawn Eggs craft
1.16.2

Better Spawn Eggs craft

This data pack adds the ability to craft spawn eggs and spawners

172downloads
Experimental Mob AI
1.21.11

Experimental Mob AI

Modifies behaviour of several mobs to increase difficulty

170downloads
Everything Explodes
23w18a

Everything Explodes

Someone has strapped explosives to nearly every entity!

168downloads
Silly Stuffs
1.21.4neoforge

Silly Stuffs

Become the greatest businessman in all of Minecraft! Expand your business empire, sell your products, mine plastic, eat burgers, and have fun!

167downloads
A Completely Ethical Mod
1.21.2fabric

A Completely Ethical Mod

Removes most unethical behavior that players can perform on their mobs.

166downloads
Stronger Fishing Rods
1.20.5

Stronger Fishing Rods

A Minecraft Paper plugin that makes the strength of fishing rods configurable

165downloads
Mob Lifesteal
1.21.11fabric

Mob Lifesteal

This makes mobs steal your hearts when they attack you! Kill a mob to regain one heart.

157downloads
Everyone baby
1.21.7

Everyone baby

A datapack that makes all mobs become a baby, even those that can't in the basegame. Use this datapack if you want the cutest experience :D.

157downloads
Toxin Accumulation│毒素堆積
1.21.9

Toxin Accumulation│毒素堆積

Bogged's arrows now inflict a more deadly poison.│現在沼骸射出的箭矢會造成更致命的劇毒。

155downloads
Warriors
1.21.8neoforge

Warriors

You can get new friends that fight for you

153downloads
Rage twist
1.21.7

Rage twist

A simple datapack that adds a ragebar that can be increased by attacking mobs and that makes your attack damage increase.

153downloads
MobHat
1.16

MobHat

Ever felt like your head was missing something? MobHat is a fun and lightweight plugin that lets you wear almost any creature in Minecraft as a hat!

153downloads
More Realism (MR)
1.21fabric

More Realism (MR)

This project helps you experience your world more realistically.

152downloads
Something Watches 2.0
1.21.8neoforge

Something Watches 2.0

A slow-burn horror mod that transforms your world into a paranoia-inducing nightmare. Featuring custom entities, random horror events, creepy signs, screen glitches, a horror dimension, and admin troll commands. Something is always watching.

152downloads
Sender's Return Policy
1.21.8fabric

Sender's Return Policy

A mod that allows you to specify which items/projectiles can reflect redirect-able projectiles such as Ghast fireballs and Breeze wind charges.

152downloads
Warrior Expansion Mod
1.21.8neoforge

Warrior Expansion Mod

It adds new fighting mobs to the game

150downloads
Accurate Mob Sizes
1.20.5

Accurate Mob Sizes

The Accurate Mob Sizes datapack makes most real-life mobs closer to their actual size, making Minecraft feel a bit more realistic.

148downloads