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Minecraft Java 1.21 Mods

Browse 26 free mods for Minecraft Java 1.21 — popular picks include Enhanced Minecraft 2.0, TNT Logic - Realistic Explosion Physics, AntiGriefPlus.

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Enhanced Minecraft 2.0
1.21.10fabric

Enhanced Minecraft 2.0

Makes playing Minecraft feel like you are a child again! A modpack enhancing base mechanics and adding features to the game in every way possible, letting you explore the game again and in new ways ;)

6.3kdownloads
TNT Logic - Realistic Explosion Physics
1.21.1fabric

TNT Logic - Realistic Explosion Physics

Explosions now trigger realistic, block-by-block structural collapses. Watch entire buildings crumble - one block at a time.

5.8kdownloads
AntiGriefPlus
1.21.8forge

AntiGriefPlus

AntiGriefPlus is a Minecraft mod that protects specific blocks (like chests, doors, and structures) from explosion damage caused by creepers, TNT, or other sources. It keeps your buildings safe without disabling combat or gameplay mechanics.

1.9kdownloads
GlobalMarketplace – Auction | Geyser Support
1.21

GlobalMarketplace – Auction | Geyser Support

Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.

1.4kdownloads
Controlled Construction
1.21.1neoforge

Controlled Construction

Building is difficult. Let's make it easier!

1.3kdownloads
CobbleGen Alehouse
1.21.8fabric

CobbleGen Alehouse

9 tiers of highly optimized Cobblestone Generators. From Stone to Nether Star.

1.0kdownloads
Villager Trade Lock
1.20

Villager Trade Lock

Tired of those players creating a monopoly or heavily crashing the prices of villager obtainable items on your server? Well this plugin aims to limit the speed of building a monopoly/price crashing by locking a villager's trades after opening them.

734downloads
Totem Rebalance
1.21.8

Totem Rebalance

Totems can only be obtained from evokers in mansions and ominious vaults.

572downloads
Opaque
1.21.11fabric

Opaque

Build with glass like it’s a box of coloured candy. Opaque adds a full set of glass building parts in every vanilla glass color (plus clear): doors, trapdoors, fences, fence gates, and stairs. They look airy light and bright

534downloads
LifeSteal Lite
1.21

LifeSteal Lite

A lightweight, high-performance LifeSteal solution with fully customizable crafting recipes, native ban management, and zero database requirements.

518downloads
Vanilla X MC
1.21.11fabric

Vanilla X MC

This modpack is based on a Vanilla + experience ,it extends on base features and ands extra QOL feature plus extra mechanics

463downloads
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
Don's Building Stuff
1.21.1neoforge

Don's Building Stuff

A collection of tools that makes building insanely enjoyable

320downloads
Snad Alehouse
1.21.8fabric

Snad Alehouse

Adds a snad that forces Sugar Cane, Cactus, and Bamboo to grow instantly.

254downloads
StoneBlade
1.21.11neoforge

StoneBlade

StoneBlade is a small, focused gameplay tweak that finally gives the stonecutter the respect it deserves. Instead of building elaborate lava blades or awkward kill chambers, you can simply let adult mobs walk over your workshop tools.

215downloads
Placement Helper
1.21.11fabric

Placement Helper

Adjusts client-side block placement for smoother building in singleplayer and creative.

206downloads
Auction HouseX
1.21

Auction HouseX

A fast-paced, player-driven auction house built for competitive servers. Buy, sell, and flip items instantly in a clean, high-performance GUI. Designed for Paper servers, this plugin keeps the economy moving and the profits flowing 🔥

201downloads
Elevator_dp
1.21

Elevator_dp

Have you always dreamed of building an elevator to hide a secret base?

148downloads
Folia Shop
1.21

Folia Shop

A modern, high-performance shop plugin built for Folia, and modern Minecraft servers. FoliaShop combines a powerful GUI shop, Worthify-style selling system, Auction House, Custom Items Support, advanced item matching, in-game edito

102downloads
CasleRush
1.21.11

CasleRush

CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.

87downloads
Very Much of Create
1.21.1neoforge

Very Much of Create

A massive Create-focused modpack that expands automation, transport, and industry to the extreme. Featuring dozens of Create add-ons, new biomes, food systems, and performance optimizations — perfect for building huge factories, trains, and mechanical worl

79downloads
Vanilla Protocol
1.21.10fabric

Vanilla Protocol

A server-friendly, vanilla-compatible modpack that retains the core Minecraft experience while improving performance, visuals, quality-of-life, and building tools, without altering vanilla gameplay or mechanics.

58downloads
MCookieClicker
1.21

MCookieClicker

A fully configurable Cookie Clicker plugin with buildings, upgrades, particles, progression system, and optimized performance.

39downloads
shepherds house repair
1.21-pre3

shepherds house repair

Fixed the issue where the Shepherd house could not be generated

24downloads
ZeroCore Mod (1.21.4, 1.20.1) – Multiblock API, New GUI System
1.21.4neoforge

ZeroCore Mod (1.21.4, 1.20.1) – Multiblock API, New GUI System

ZeroCore Mod houses a revised multiblock API that supports multiple client mods without performance penalties and contains code to handle the basic mechanics of the game. Features: Multiblock API: Supports multiple client mods without performance penalties. Network Message Handling: Processes network messages on the correct thread. New GUI System: Provides a new GUI system for […]

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities
1.21.1forge

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities

Create Ultimate Factory Mod expands the automation capabilities of the Create mod, introducing new tools, machines, and mechanics for large-scale factory building. This mod enhances the industrial and engineering aspects of Create, allowing players to design efficient production lines and optimize resource management. Features: New machines and conveyor systems for better automation. Enhanced factory components […]