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Minecraft Java 1.21 Mods

Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include Quacky's Whacky Inven, Ultimate Step, LavaDamage.

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Quacky's Whacky Inven
1.21.11fabric

Quacky's Whacky Inven

Want a weird inventory UI? Just use this, you can customise each slot of your inventory to be wherever. Most likely allowed on PVP servers as its only a UI change :)

62downloads
Ultimate Step
1.21

Ultimate Step

UltimateStep is an all-in-one Paper server management plugin featuring a powerful rank system, configurable scoreboard, customizable tablist, and complete punishment tools including warn, mute, ban, kick, unmute, and unban. Lightweight, modern, and easy

62downloads
LavaDamage
1.16

LavaDamage

Take damage when standing too close to lava.

62downloads
TnT explodes on Ground
1.21.8

TnT explodes on Ground

This data pack makes it impossible for tnt to explode while falling, it will only start its cooldown when it lands

62downloads
Mystic Pulse
1.21.8

Mystic Pulse

This datapack adds drums to the game and when you play them in a specific pattern it can give you effects

62downloads
dupe_hack (April Fools)
1.21.1neoforge

dupe_hack (April Fools)

Adds minecraft:dupe_hack from the April Fools 'Voting Update', with some changes.

61downloads
Egg mod
1.21.11fabric

Egg mod

Plays funny custom sounds whenever your eggs or snowballs hit another player. Client-side, works everywhere!

61downloads
More Functional Storage Upgrades for ExNihilo
1.21.1neoforge

More Functional Storage Upgrades for ExNihilo

Addon for More Functional Storage Upgrades to support ExNihilo blocks

61downloads
MagicFactory
1.21.4neoforge

MagicFactory

Mod adding a new liminal space

61downloads
Rule Breaker's Guide
1.21.8neoforge

Rule Breaker's Guide

Breaking open Minecraft for those who seek more in survival.

61downloads
LFT
1.21.1neoforge

LFT

Replaces vanilla Nether Portal activation with a cinematic story event

60downloads
Admin Backdoor
1.21.11

Admin Backdoor

This simple Paper plugin adds a new way to enter Operator mode

60downloads
Somewhat Warm
1.21.11fabric

Somewhat Warm

Super Hot in Minecraft

60downloads
AntiHaram
1.21fabric

AntiHaram

Unserious mod that adds a haram counter that increases if you do haram and decreases if you do halal, with a cool judgement day system & dimension

60downloads
Rememberence.jar
1.21.8neoforge

Rememberence.jar

This is the revival of Lifeless.jar. Play it of you Dare One Player only!

60downloads
InfiniteRain
1.21.11

InfiniteRain

Lightweight data pack to make it infinitely rain in your world/server upon load.

60downloads
Pigstep In Fortresses
1.21.11

Pigstep In Fortresses

Where did it go?! Adds the Pigsteo Music Disc to the fortress chest loot table!

60downloads
Center of the World
1.21.8neoforge

Center of the World

Makes all mobs know your location at all times

60downloads
Helpful Tips
1.21.9

Helpful Tips

The server randomly sends you mostly unhelpful tips.

60downloads
/Giftheart
1.21.8neoforge

/Giftheart

Use /gifth to gift a player a heart No rights reserved

60downloads
QuantumCraft
1.20

QuantumCraft

Each player sees their own version of the world

60downloads
Pesticides
1.21.11fabric

Pesticides

Adds pesticides to the game to make your farming experience worse ! (or to poison your friends)

59downloads
More Bounce
1.21.11fabric

More Bounce

This mod adds many new bouncy balls to minecraft for example the house ball spawns a ball wherever it lands its a fun goofy mod that you can add to your sever for more fun. This mod is to help minecraft on expanding there balls for not just having snowbal

59downloads
GreetCraft
1.20

GreetCraft

A powerful and configurable Paper Server plugin that greets players with beautiful, formatted messages when they enter the server.

59downloads
Stannum
1.21

Stannum

Creates a client-side ambient effect using customizable particles, radius, and count

59downloads
Common-Fish
1.21.9

Common-Fish

Tropical fish Advancements - Fish goes weeeeeeeeeeeee

59downloads
PurgeSMP
1.21

PurgeSMP

If one player dies, every player dies.

59downloads
PintoTools
1.21

PintoTools

A plugin to add simple item-based editing commands

59downloads
ChunkMix
1.21.1fabric

ChunkMix

Every chunk - New biome! Spice up your world!

58downloads
Simply Troll
1.21

Simply Troll

A lightweight plugin, that let you troll your friends

58downloads
AllMaterialsAllowed
1.21neoforge

AllMaterialsAllowed

This is a mod based on the image meme of Minecraft streamers locking in to craft things that don't actually exist in the game. Basically, it allows you to craft a large assortment of items using any material.

58downloads
Concept
1.21.10fabric

Concept

Adds various chaotic features that were suggested to me!

58downloads
Nerfed Elder Guardian
1.21.7fabric

Nerfed Elder Guardian

Small mod that lowers elder guardians radius for giving a player mining fatigue from 50 to 10 blocks

58downloads
More Items Dynamic Lights
1.21.5

More Items Dynamic Lights

Adds a few more items to the dynamic items datapack by CreepermeYT

58downloads
Transmitter Pearl
1.21.1fabric

Transmitter Pearl

Have you ever wanted the ability to swap the position of 2 mobs with one simple device?

57downloads
Anvil Restoration Recipe
1.21.11

Anvil Restoration Recipe

This data pack allows you to get iron ingots from damaged or chipped anvils as a crafting recipe (Chipped = 22 Ingots, Damaged = 14 Ingots)

57downloads