HomeJava1.21

Minecraft Java 1.21 Mods

Browse 83 free mods for Minecraft Java 1.21 — popular picks include Photonics: A raytracing engine, Better Hitboxes, Redstone Sound Slider.

Updated daily

FiltersFurniture×Performance/FPS×Tech×Clear all
Photonics: A raytracing engine
1.21.11fabric

Photonics: A raytracing engine

A ray-traced voxel engine with a focus on performance and crisp shadows

247kdownloads
Better Hitboxes
1.21.8fabric

Better Hitboxes

A highly customizable hitbox configuration mod.

82kdownloads
Redstone Sound Slider
1.21.11fabric

Redstone Sound Slider

Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.

55kdownloads
SimpleClaimSystem
1.18

SimpleClaimSystem

Full claim system for Minecraft servers. Fully configurable and many plugins supported.

42kdownloads
Adaptive Visuals (PVP)
1.21.4fabric

Adaptive Visuals (PVP)

A mod that adds beautiful visuals to your game and makes your Minecraft much more convenient.

37kdownloads
Create: Dimension, Steamworks Realm
1.21.1neoforge

Create: Dimension, Steamworks Realm

Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores

25kdownloads
Brush Client
1.21fabric

Brush Client

Simple, convenient and useful mod pvp client, with which your game will be much more enjoyable!

19kdownloads
PlayerProgress
1.16

PlayerProgress

PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.

16kdownloads
AlixSystem
1.12

AlixSystem

Login (Command, PIN, Anvil, 2FA) | AntiBot (Advanced) | AntiVPN

14kdownloads
Simple-Warp-Tpa-Home-Back
1.21.4fabric

Simple-Warp-Tpa-Home-Back

no pop-ups, no prerequisites, complete translation, lightweight teleport mod, supports TPA, home, back,and teleport

11kdownloads
Krave Client
1.21.11fabric

Krave Client

Krave Client - is a Minecraft client with a large number of features developed from scratch.

10kdownloads
AutoMessage [1.21]
1.21

AutoMessage [1.21]

⚡ AutoMessage is a high-performance plugin for fully customizable automatic server-wide broadcasts.

9.5kdownloads
TradingPlus+
1.21.5neoforge

TradingPlus+

Enhances trading by adding over 280 new trades for villagers, providing a richer and more varied gameplay experience.

7.3kdownloads
Ultimate Furnace
1.21fabric

Ultimate Furnace

The Ultimate Furnace Mod adds a fuel-free, solar-powered furnace that levels up to smelt faster and store more energy. At night, it uses stored power. The mod also adds the Copper Plate Block, which reacts to temperature.

6.9kdownloads
MC-Reality Mod
1.21.4

MC-Reality Mod

this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player

6.7kdownloads
goPaintAdvanced
1.21.5

goPaintAdvanced

The ultimate painting tool for Minecraft

5.9kdownloads
Death Sound Plugin | UnstableSMP | Orbital Strikes
1.21

Death Sound Plugin | UnstableSMP | Orbital Strikes

Death Sound Plugin like on the UnstableSMP with many features like Orbital Strikes and more

5.8kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.0kdownloads
Simply Chair and Tables
1.21.5fabric

Simply Chair and Tables

A simple furniture oriented modpacks with tons of new decoration and storage.

3.6kdownloads
Create: FactoryLand - Industrial Revolution
1.21.1neoforge

Create: FactoryLand - Industrial Revolution

Create Modpack | Addons | Factory Structures | Fresh Animation | Backpacks | Furnitures | Ambient Sounds | And more!

3.5kdownloads
Dong Dong's random creation
1.21.1neoforge

Dong Dong's random creation

magic and energy,new ore,new dimension,new tool and weapon type.

3.3kdownloads
Nearby Inventory Crafting
1.21.1forge

Nearby Inventory Crafting

Craft using items from nearby chest's without moving them

3.3kdownloads
TerraLand
1.21.11fabric

TerraLand

TerraLand is a stunning modpack focused on beautiful world generation, immersive exploration, and rich decoration—creating a vibrant, living world full of adventure.

3.3kdownloads
Rine Time
1.21.1neoforge

Rine Time

Explore | Choose Your Class | Battle Challenging Mobs | Build | Decorate | Grow Crops | Automate Everything

3.1kdownloads
PowerStones
1.21.11neoforge

PowerStones

Overlapping wires of Redstone, Bluestone, Greenstone and Yellowstone

3.1kdownloads
OutlineX
1.21fabric

OutlineX

OutlineX is a lightweight Minecraft mod that highlights blocks with smooth, customizable outlines.

2.6kdownloads
PySpigot
1.16

PySpigot

A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).

2.4kdownloads
AntiSeedCracker
1.21.4

AntiSeedCracker

Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.

2.3kdownloads
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

1.8kdownloads
The -Create- Chonker
1.21.1neoforge

The -Create- Chonker

The project is a technology and decoration-oriented package. Popular mods such as the Create-Mod are included. The special thing is that the performance and the compatibility between the more than 400 mods is given. Each adventure is unique

1.6kdownloads
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
Furniture & Tech
1.21.11fabric

Furniture & Tech

Enhance your Minecraft builds with interactive, customizable furniture and decor. From modern designs to culturally inspired pieces — beauty and functionality in every room.

1.5kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

1.4kdownloads
QuickChat - Folia support and Redis
1.8.8

QuickChat - Folia support and Redis

Modern chat plugin with formats, placeholders, private messages, colors, and full customization.

1.0kdownloads
ItemDisplayPlugin
1.21.5

ItemDisplayPlugin

This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,

929downloads
AI Builder
1.20

AI Builder

AIBuilder is a Spigot plugin that uses DeepSeek to generate JSON build plans from prompts and automatically constructs them inside a selected region with optional streaming, validation, and AI bot control.

871downloads