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Minecraft Java 1.21 Mods

Browse 34 free mods for Minecraft Java 1.21 — popular picks include Datapack Portals, Piglin Conservatory v3.0, Create: Dimension, Steamworks Realm.

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Datapack Portals
1.21fabric

Datapack Portals

Create custom portals using CustomPortalApi with datapacks

989kdownloads
Piglin Conservatory v3.0
1.21.11fabric

Piglin Conservatory v3.0

Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!

45kdownloads
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
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
Mining Dimension
1.21.1

Mining Dimension

Mining Dimension gives you a brand-new realm overflowing with resources. Every vanilla ore spawns at significantly higher rates, and - thanks to full Create integration - you’ll also uncover Zinc.

12kdownloads
Keystone Expansion Pufferfish's Skills
1.21.11fabric

Keystone Expansion Pufferfish's Skills

MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.

8.7kdownloads
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
Deltapack
1.21.11

Deltapack

A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.

5.0kdownloads
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
Xhomes
1.18

Xhomes

Xhomes is a Minecraft plugin that lets players set and manage homes with an intuitive GUI. It includes teleportation countdowns and movement cancellation. Players can now teleport directly to a home using `/home <homename>` or browse their homes in a s

2.7kdownloads
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
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

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

1.4kdownloads
G1axFixer
1.21.11fabric

G1axFixer

G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.

858downloads
IONite Powered
1.21neoforge

IONite Powered

This mod is primary used to offer items and other things usable in data packs and the alike

636downloads
Music Collection - Just Shapes & Beats
1.21.4

Music Collection - Just Shapes & Beats

Adds a new musical experience, New Fragment + New Record Mold + New Structure "Music Shack" + 15 New Records! + New Crafting + New Achievements + Secrets...

607downloads
ReplaceBlock
1.20.3

ReplaceBlock

This datapack provides a powerful API that can replace blocks in the world with high performance in a completely vanilla way after world generation.

599downloads
One Block Random Challenges
1.21.5

One Block Random Challenges

This Plugin Gives You Many Exciting Random Challenges Specially Made For ONE BLOCK However This Also Works On Normal World Just Install it And Enjoy I've also made a Separate Survival Challenges Plugin Check out my profile to find That Thanx for download

475downloads
MHDF-Tools
1.17.1

MHDF-Tools

MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨

389downloads
Fennec: Jukefox
1.21.1neoforge

Fennec: Jukefox

Music assets for the Fennec modpack

365downloads
CorruptionCraft
1.21

CorruptionCraft

A plugin that challenges players. Random events can occur. (no Spoilers!)

231downloads
Aran's Discord Presence
1.21.11fabric

Aran's Discord Presence

A lightweight, customizable Discord Rich Presence mod for Fabric. Features a built-in settings menu to toggle Server IP, biomes, dimensions, and player heads on your Discord status.

178downloads
Projection Boundary
1.21

Projection Boundary

Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?

162downloads
Sellmenu
1.20

Sellmenu

Plugin for creating stores for your server Easy to use plugin supports itemadder itemedit itemtag plugins Must have vault

155downloads
CyberWorldReset
1.8

CyberWorldReset

Easily reset a world with a scheduler or a specific time/date and more!

150downloads
TheFourLeafCollective
1.21.1neoforge

TheFourLeafCollective

A modpack made to specialize in four main archetypes, tech, magic, exploration, and building!

90downloads
MapProtect
1.21

MapProtect

MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.

65downloads
Enemy Tracker
1.21.8neoforge

Enemy Tracker

Time to Detect the Threat and Enemies!

35downloads
Relocation
1.21

Relocation

A simple building relocation plugin

18downloads
RFTools Base Mod (1.21.1, 1.20.1) – Library for McJty's Mods
1.21.1neoforge

RFTools Base Mod (1.21.1, 1.20.1) – Library for McJty's Mods

RFTools Base Mod is the base mod for all tech mods by McJty. This includes RFTools Dimensions, RFTools Control, RFTools Power, Deep Resonance, XNet, and so on. Features: Dimensional Shard oregen, small amount in the overworld, more in other dimensions. The machine infuser. Base crafting materials for the other tech mods. The smart wrench. Security […]

McJtyLib (1.21.1, 1.20.1) – The Foundation for High-Tech Worlds
1.21.1neoforge

McJtyLib (1.21.1, 1.20.1) – The Foundation for High-Tech Worlds

McJtyLib is a companion mod required by all mods from McJty: RFTools, RFTools Dimensions, Deep Resonance and also by RF Lux by romelo333. Features: Acts as a required library for a large collection of mods. Allows various tech mods to function properly without crashing. Provides the necessary code for mods including RFTools, XNet, Deep Resonance, […]

WorldWeaver: Remastered
1.21.1fabric

WorldWeaver: Remastered

WorldWeaver Remastered is a powerful modern API and world generation library! As the successor to BCLib, it provides the essential framework for BetterEnd and BetterNether, fixing core terrain bugs and unlocking advanced data-driven dimensions!

34kdownloads
BCLib: Remastered
1.21.1fabric

BCLib: Remastered

BCLib Remastered is a powerful core library and API for Minecraft Fabric 1.21.1. It provides essential shared utilities, rendering tools, custom configs, and procedural models for BetterEnd and BetterNether. Specially optimized for modern modpacks!

33kdownloads