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Minecraft Java 1.21 Mods

Browse 7,367 free mods for Minecraft Java 1.21 — popular picks include Hollow Steve [HORROR], Item Commander, SKT's Troll Lichen.

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Hollow Steve [HORROR]
1.21.1neoforge

Hollow Steve [HORROR]

Adds Hollow Steve, a horror stalker boss that haunts you, grows stronger after each defeat, and must be killed 10 times to survive.

7.3kdownloads
Item Commander
1.21fabric

Item Commander

A simple Serverside Fabric mod that allows you to assign commands to Item(Stacks)

7.3kdownloads
SKT's Troll Lichen
1.17

SKT's Troll Lichen

Replace Glow Lichen texture with Diamond Ore to trolling your friends

7.3kdownloads
NotEnoughMinecraft
1.21.10fabric

NotEnoughMinecraft

Did you ever want to play Minecraft inside of Minecraft without installing any mods on the client? NO??? Anyways, now you can!

7.3kdownloads
SlenderMan: Reborn
1.20.1forge

SlenderMan: Reborn

Adds SlenderMan to Minecraft!

7.2kdownloads
SKT's Ingoted Mineral
1.14

SKT's Ingoted Mineral

change mineral/ore texture into ingot

7.2kdownloads
Meow!
1.21.4neoforge

Meow!

MEOW! - YOU can finally meow in Minecraft.

7.2kdownloads
Disable Player Reporting
1.21fabric

Disable Player Reporting

Removes the new Player Reporting feature from your client, once and for all!

7.2kdownloads
SpookyJam 2025
1.21.1neoforge

SpookyJam 2025

Explore new spooky mods submitted for SpookyJam 2025!

7.2kdownloads
Pebblits
1.21.8neoforge

Pebblits

A mod created specifically to be ruined by Knarfy's audience. What could go wrong?

7.2kdownloads
GachaAddiction
1.21.1neoforge

GachaAddiction

Every time you open a chest, it's a gacha pull. The reel spins, a rarity glow flashes — how's your luck today?

7.1kdownloads
No Outline
1.17

No Outline

Removes all outlines in your world

7.1kdownloads
Zip To It!
1.21.8fabric

Zip To It!

Zip across the lands in style with a Zippy Sticky Hand! Made for ModFest Toybox!

7.1kdownloads
Black Flash Mace
1.20

Black Flash Mace

Changes the mace's bonk sound effect to the black flash soundeffect from JJS (roblox game) -has compatibility with Mace Combat port, Faithful Mace mods.

7.1kdownloads
Ashen's Better AI
1.21.1

Ashen's Better AI

Improves mob ai, by adding mob jumping, a foodchain, and more!

7.1kdownloads
BedSheet
1.21.7neoforge

BedSheet

Carpet unofficial NeoForge port. Take full control over your game.

7.1kdownloads
Tiny Players
1.21.4

Tiny Players

This data pack/mod makes every player extremely small! Fun for a survival challenge.

7.0kdownloads
Glass Normals
1.16

Glass Normals

A resource pack with high resolution glass normals to use with shaders

7.0kdownloads
Yeet Spooky Cave Sounds!
1.18

Yeet Spooky Cave Sounds!

Yeets the spooky cave sounds

7.0kdownloads
Copper Items Datapack
1.21.5

Copper Items Datapack

A simple datapack that utilizes Armor Trims for my Spigot plugin

7.0kdownloads
Enchanting Vanilla
1.21.8fabric

Enchanting Vanilla

Enhance the vanilla game experience

6.9kdownloads
Padoru Padoru!
1.16

Padoru Padoru!

Transforms the Silverfish into the iconic Padoru Padoru meme.

6.9kdownloads
NightTime
1.21

NightTime

A horror and challenge datapack made for only the bravest to try.

6.9kdownloads
Depths Below
1.21.4

Depths Below

Adds a new psychological horror entity to the dark depths of the underground. Inspired by the legend of White Eyes and Mojang's discarded Shade monster.

6.9kdownloads
Mob AI Commands
1.21fabric

Mob AI Commands

A standalone version of the commands added by Mob AI Tweaks mod

6.9kdownloads
Killer Bunny Name Tag
1.21.6

Killer Bunny Name Tag

Naming a rabbit "The Killer Bunny" will turn it into a killer bunny

6.9kdownloads
verity.jar
1.21.1neoforge

verity.jar

Removes the AI responses, to replace him with Human responses. All credit goes to the amazing "ThatMob"!

6.9kdownloads
Akeno Himejima Totem (High School DxD)
1.17

Akeno Himejima Totem (High School DxD)

Now you can use Akeno from high school dxd as your totem

6.8kdownloads
Craft Trial Spawner
1.21.6

Craft Trial Spawner

Adds a crafting recipe for Trial Spawners

6.8kdownloads
Born in Chaos: The Dawn of Chaos
1.20.1forge

Born in Chaos: The Dawn of Chaos

A lightweight Vanilla+ Born in Chaos Modpack designed to fit your building and adventuring needs.

6.7kdownloads
Bedrock to Deepslate
1.17

Bedrock to Deepslate

Changes the bedrock block model to the deepslate model (texture pack compatible)

6.7kdownloads
Vanilla But Wrong
1.21fabric

Vanilla But Wrong

Vanilla but wrong is a Fabric psychological horror mod for singleplayer and multiplayer. One shared sanity system, adaptive Director events, trauma progression, and UI/audio corruption turn normal survival into a tense mind game.

6.7kdownloads
Attack-Blocker
1.21.9fabric

Attack-Blocker

A simple mod that let you control which players you can attack and which not ⚔️❌

6.7kdownloads
Just Enough Null
1.21.1neoforge

Just Enough Null

A fanmod of The Broken Script that adds a Null Biome, Null Blocks and more!

6.7kdownloads
Server Storage
1.21.8fabric

Server Storage

This mod adds an AE2 inspired storage system that works completely server side

6.7kdownloads
Marin Kitagawa Totem V3 (Shizuku Tan edition)
1.17

Marin Kitagawa Totem V3 (Shizuku Tan edition)

Now you can replace your totem with Marin Kitagawa with the Shizuku Tan cosplay from My Dress Up Darling

6.6kdownloads