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Minecraft Java 1.21 Mods

Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include Finetunned Weaponry, Orbital witherskull Cannon, Slow Your Roll.

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Finetunned Weaponry
1.21.1neoforge

Finetunned Weaponry

This mod offers ALOT of new Items with unique effects

2.2kdownloads
Orbital witherskull Cannon
1.21.9

Orbital witherskull Cannon

Similar to Orbital strike cannon but spawns wither skull instead of TNT capable of breaking obsidian

2.2kdownloads
Slow Your Roll
1.21.4fabric

Slow Your Roll

A mod about slowing down game progression

2.2kdownloads
Sizechange
1.21.11

Sizechange

This Datapack add some totems and shields that when held make you big or small, and they are expensive.

2.2kdownloads
Not A Toy
1.21.8fabric

Not A Toy

Adds things that are DEFINITELY not toys. Created for Modfest Toybox

2.2kdownloads
Karma Shader Nightmare
1.18.2

Karma Shader Nightmare

A cinematic horror Minecraft shader pack that turns the dark into a living threat. Features dynamic fear mechanics, hallucination warping, drifting fog banks, a blood moon, desaturated colors, and its terrifying inverted sea ceiling.

2.2kdownloads
BiomeBetray
1.21.1

BiomeBetray

Biomes occasionally and silently swap your hotbar items with random ones from your inventory when you enter them :trollface:

2.2kdownloads
HeadBlocks
1.20

HeadBlocks

Hide heads in your world and let your players find them to earn rewards. Perfect for an Easter event.

2.2kdownloads
Ravents
1.21.1fabric

Ravents

🗸 Ravents for custom mechanics. Design multi-wave raids with complex triggers, create unique mobs with modified stats, gear, and mounted towers. Spawn control: Replace vanilla mobs or add custom copies.

2.1kdownloads
minecraft-gpt-god-plugin
1.2.1

minecraft-gpt-god-plugin

This is the Minecraft GPT god plugin as seen on the BigYous Youtube Channel

2.1kdownloads
TargetLock
1.21.8fabric

TargetLock

Press J to instantly aim your camera at the nearest living entity within 10 blocks. If no entity is in range, a message will appear on your screen letting you know.

2.1kdownloads
Glow Sheep
1.21.1neoforge

Glow Sheep

Adds Glow Sheep.

2.1kdownloads
Vanilla Backrooms
1.21.11fabric

Vanilla Backrooms

Vanilla-Backrooms is a server-side only Backrooms mod based on Polymer

2.1kdownloads
Server Heater
1.21.1neoforge

Server Heater

Prevents pesky server freezes upon shutdown

2.1kdownloads
Color Only Challenge
1.21.10

Color Only Challenge

Beat Minecraft after being assigned 1 of 10 colors. You can only break blocks that match your color, making every run chaotic and completely different.

2.1kdownloads
ItemDuper-Pro
1.21.7fabric

ItemDuper-Pro

Perfect for players who want convenient item duplication with modern improvements and reliable functionality.

2.1kdownloads
Mineable Spawners
1.21.6

Mineable Spawners

Makes spawners and trial spawners mineable (ONLY!) with a silk touch netherite pickaxe

2.1kdownloads
Nuke Plugin
1.21

Nuke Plugin

A project based on cubicmetre's orbital strike cannon

2.1kdownloads
Fleecifer
1.21.8quilt

Fleecifer

Turns all sheep hostile...

2.1kdownloads
Reaper's Scythe
1.21.5

Reaper's Scythe

Introduce the legendary Reaper's Scythe, an end-game weapon with permanent combat buffs, a devastating right-click AoE attack (Wither II), and an on-kill speed boost. Highly configurable.

2.1kdownloads
Breaking One Block Breaks All The Blocks
1.21

Breaking One Block Breaks All The Blocks

If you break a block... it breaks every block in a 50 block radius.

2.1kdownloads
Sculk Contagione
1.21.1fabric

Sculk Contagione

Makes Sculk more, lets say, invasive

2.1kdownloads
Everything is #dirt
1.21.4

Everything is #dirt

'It's all dirt?' "Always was" Everything is tagged as dirt, glhf

2.1kdownloads
Armaments
1.21.1fabric

Armaments

Adds a few new unique and interesting weapons to the game

2.1kdownloads
linecraft
1.21.11fabric

linecraft

Experience Minecraft in a 3-block wide line!

2.1kdownloads
Unusual Precipitation (Rain)
1.21.5

Unusual Precipitation (Rain)

This datapack rains random items/mobs/projectiles from the sky!

2.0kdownloads
Amai's Aimassist
1.21

Amai's Aimassist

Plugin That adds /aimassist to game (if player have permissions)

2.0kdownloads
Parryable Projectiles
25w04a

Parryable Projectiles

A datapack that makes all(with exceptions) projectile parryable, like the ghast fireball.

2.0kdownloads
Potatomod
1.21.1neoforge

Potatomod

The potatomod is a funny and unlogical mod.

2.0kdownloads
InvisibleKiller
1.21

InvisibleKiller

InvisibleKiller is a lightweight Paper plugin that replaces death messages when the killer was invisible, preventing players from knowing who killed them.

2.0kdownloads
Nether Infection
1.21.8neoforge

Nether Infection

The Nether can infect your world !

2.0kdownloads
Make It Rain!
1.21.9fabric

Make It Rain!

Client-side mod that adds rain to normally dry Overworld biomes

2.0kdownloads
Orbital Strike Arrow
1.21

Orbital Strike Arrow

This project adds the Orbital Strike Arrow, but with commands! This was inspired by Flowtives Arrow Cannon in Heartless Horizons.

2.0kdownloads
BlockDropRandomizer
1.21

BlockDropRandomizer

This plugin/mod turns every Minecraft world into a unique random‑drop challenge where each block-type drops a random Item.

2.0kdownloads
Draventh Ores
1.21.8fabric

Draventh Ores

⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc

1.9kdownloads
Titan SMP
1.21

Titan SMP

A Plugin with Custom Abilities.

1.9kdownloads