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Minecraft Java 1.21 Mods

Browse 606 free mods for Minecraft Java 1.21 — popular picks include Freeze Mobs on look, Instant Win Button, The Corrupted Past.

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Freeze Mobs on look
1.21.11fabric

Freeze Mobs on look

When You look at mobs they freeze

204downloads
Instant Win Button
1.21.9

Instant Win Button

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

203downloads
The Corrupted Past
1.21.8neoforge

The Corrupted Past

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

195downloads
Solid Entity Hitboxes
1.21.6

Solid Entity Hitboxes

This server-side mod makes certain entity hitboxes solid

188downloads
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'!"

187downloads
Chickens do FLY
1.21.5fabric

Chickens do FLY

Chicken do fly! Allows you to glide down with chickens

187downloads
Ranold's Better Squids
1.21.4fabric

Ranold's Better Squids

Improves Minecraft squids!

187downloads
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!

186downloads
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

184downloads
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.

182downloads
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

180downloads
Chicken Jockifier
1.21.5

Chicken Jockifier

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

180downloads
Carpet-dwk-Addition
1.21fabric

Carpet-dwk-Addition

This mod adds new rules to /carpet

178downloads
Everything's Exploding!
1.21.11fabric

Everything's Exploding!

Make all mobs/animals behave like the creeper

175downloads
The Fixed Script
1.21.1neoforge

The Fixed Script

Here I amn't.

174downloads
Better Spawn Eggs craft
1.16.2

Better Spawn Eggs craft

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

171downloads
Experimental Mob AI
1.21.11

Experimental Mob AI

Modifies behaviour of several mobs to increase difficulty

169downloads
A Completely Ethical Mod
1.21.2fabric

A Completely Ethical Mod

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

162downloads
Stronger Fishing Rods
1.20.5

Stronger Fishing Rods

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

161downloads
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
Everything Explodes
23w18a

Everything Explodes

Someone has strapped explosives to nearly every entity!

154downloads
Hotter Mania
1.21.1neoforge

Hotter Mania

Mod updates savannas, deserts and badlands

153downloads
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。

152downloads
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.

152downloads
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!

151downloads
Maximum Difficulty
1.21.5fabric

Maximum Difficulty

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

148downloads
Pumpkin Madness
1.21.1neoforge

Pumpkin Madness

One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )

143downloads
RealMobScale
1.21

RealMobScale

Realistic animal scaling based on real measurements | light-weight plugin.

141downloads
Warriors
1.21.8neoforge

Warriors

You can get new friends that fight for you

141downloads
Hallo Pumpkin
1.21

Hallo Pumpkin

Happy halloween! This plugin adds pumpkins to all mobs

141downloads
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!

138downloads
Mob Lifesteal
1.21.11fabric

Mob Lifesteal

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

138downloads
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.

138downloads
Night Challenge
1.19

Night Challenge

You burn in sunlight, just like the monsters, good luck!

137downloads
Cluck
1.21fabric

Cluck

Makes all mobs look like chickens

137downloads
ConvertIT
1.21.11fabric

ConvertIT

Cycle between Zombie Villager and Villager with ease!

133downloads