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Minecraft Java 1.21 Mods

Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include Experience Bar Health Indicator, Curses Revamped, mineable end portal frame.

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Experience Bar Health Indicator
1.21.3fabric

Experience Bar Health Indicator

This mod utilizes the Minecraft experience bar & level text, to display the HP of entities that you are looking at (toggleable).

183downloads
Curses Revamped
1.21.1fabric

Curses Revamped

Curses Revamped reworks Minecraft's vanilla curses so Curse of Vanishing and Curse of Binding matter while you are still alive.

182downloads
mineable end portal frame
1.21.1

mineable end portal frame

with silk touch you can mine the end portal frame

182downloads
Chicken Jockifier
1.21.5

Chicken Jockifier

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

182downloads
No Hunger from Eating Rotten Flesh
1.20

No Hunger from Eating Rotten Flesh

Clears the hunger effect you get from consuming rotten flesh. nohferf.

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
BIG Challenges
1.21.1neoforge

BIG Challenges

BIGChallenges: The Ultimate Survival Test 💀

180downloads
GlyphVM
1.21.1neoforge

GlyphVM

A minecraft mod similar to hex casting and Trickster . Magic programming with elements of engineer programming and a stack. (In development)

179downloads
V's Lucky Block Engine
1.21.10

V's Lucky Block Engine

A Command driven Lucky block engine for 1.21.10

179downloads
Maximum Difficulty
1.21.5fabric

Maximum Difficulty

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

179downloads
DailyEvent
1.20

DailyEvent

Minecraft plugin with randomized daily event

179downloads
UnlimitedEnchantPlus
1.21

UnlimitedEnchantPlus

UnboundEnchants is a Paper 1.21.x plugin that removes vanilla enchantment limits, allowing players with permission to apply unsafe and overpowered enchantments like Sharpness 100 or Knockback 10 on any item. It includes a simple /unboundenchants:unenchant

178downloads
Breathtaking Aconitum
1.21.1neoforge

Breathtaking Aconitum

This mod adds aconite and its unique mechanics, food, and toxins

178downloads
Craftable Light Block
1.21.1

Craftable Light Block

Just DataPack add recepie for light block

178downloads
NametagToolkit
1.21.11fabric

NametagToolkit

A few options to customize and control name tags.

177downloads
ReddishTheBest's Survival Additions | RSA
1.21.11

ReddishTheBest's Survival Additions | RSA

Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!

177downloads
Size changing potions
1.21.8neoforge

Size changing potions

A pretty simple but effective mod that adds size changing potions, which does NOT use pekhui! Try not to make yourself too big or... *windows error noise*

176downloads
Enchantment Upgrade
1.21.11

Enchantment Upgrade

Adjust the maximum level of enchantments to 255!

176downloads
Mythical_sword
1.21.1neoforge

Mythical_sword

This mod adds a mythical sword. Funny for manhunts.

176downloads
SScript
1.21.11fabric

SScript

Fabric mod that adds a Python/Lua-like scripting language to your Minecraft server. Write game logic with events, built-in functions, HTTP requests and file I/O — no Java required.

175downloads
No Spears
1.21.11fabric

No Spears

Remove spears from crafting and loot pools.

174downloads
Echo Mod
1.21.1fabric

Echo Mod

A mod that adds EchoLocation to Minecraft.

174downloads
Soul lock
1.21.4neoforge

Soul lock

A mod that lets you lock your soul to be a "god"

174downloads
Haunted Environment
1.21.1neoforge

Haunted Environment

Doors, glass, torches, it's like everything you touch is haunted.

174downloads
Scrapped
1.21.4

Scrapped

Make scrap useless by removing the recipe for netherite ingots

174downloads
Styzex's ultra hardcore
1.21

Styzex's ultra hardcore

This datapack disables the diamond armour recipes and limits the player to have only 3 hearts

174downloads
SmashDamage
1.21.4

SmashDamage

A small concept plugin that takes Smash Bros.'s fatigue mechanic and tries to implement it in Minecraft (with knockback).

173downloads
Crazy Tweaks
1.21.11fabric

Crazy Tweaks

Adds new crazy tweaks in game.

172downloads
Better Spawn Eggs craft
1.16.2

Better Spawn Eggs craft

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

172downloads
uncrafting inventory
1.21.6

uncrafting inventory

What would happen if the recipes that you craft were reversed?

172downloads
Harsh Rain
1.21.6fabric

Harsh Rain

Makes you lose air, mine + move slower in rainfall. this means you can drown in the rain.

172downloads
Jump Ring
1.21.1neoforge

Jump Ring

Adds a Jump Ring giving you permanent Jump Boost when in the Inventory!

172downloads
Raw Netherite
1.21quilt

Raw Netherite

Modifies the process of obtaining Netherite

172downloads
CasterOS
1.21

CasterOS

CasterOS is a cross-platform Minecraft magic plugin for Paper and Sponge servers. It features immersive spell casting, dynamic magic mode, and easy spell management with YAML files—making it simple to customize and expand your server’s magical experience.

171downloads
One Heart Plugin
1.16

One Heart Plugin

A plugin that makes all players have only 1 heart

171downloads
He Knows
1.21.4

He Knows

EntityWatcher is a slow-building ARG-style Minecraft datapack that subtly distorts reality and behavior to make players feel watched, followed, and known. .... . .-.. .--.

171downloads