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Minecraft Java 1.21 Mods

Browse 386 free mods for Minecraft Java 1.21 — popular picks include Moss Ruins, Furniture - Voxelized Furniture, Japanese Castle - Structure ✅.

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Moss Ruins
1.21

Moss Ruins

A vanilla-like datapack adding new content to embrace some parts of the boring birch forest biomes by adding a new set of structures which spawn as small single buildings or big ruined cities

22kdownloads
Furniture - Voxelized Furniture
1.21.1fabric

Furniture - Voxelized Furniture

This mod adds chairs, tables, kitchen sets, sinks, and small land pieces you can use in your builds. It’s mainly for decorating houses, rooms, and custom areas, and gives you more basic objects to work with when building or roleplaying.

22kdownloads
Japanese Castle - Structure ✅
1.21

Japanese Castle - Structure ✅

Japanese Castle is a fortified stronghold in a Minecraft vanilla-friendly style, inspired by traditional Japanese architecture, featuring tiered towers, curved rooftops, and defensive walls.

22kdownloads
Builder's Boundry
1.21.5

Builder's Boundry

Make your houses, taverns, and villages feel more alive than ever with Builder's Bounty, a pack of decorative accessories in perfect vanilla Minecraft style!

20kdownloads
Desire
1.21.1fabric

Desire

A mod that focuses on building and simple gameplay tweaks to expand the classic experience to the max!!

16kdownloads
Interior Rain Sound Fix
1.21.5fabric

Interior Rain Sound Fix

This is a mod that lower the volume of rain when inside a building.

16kdownloads
Create: Armored Constructs
1.21.1neoforge

Create: Armored Constructs

Military themed addon for Create focused on armored construction and vehicle building.

15kdownloads
VoxelFurni Furniture
1.20.1forge

VoxelFurni Furniture

This mod adds Teardown models, such as plants, barrels and furniture, into Minecraft as buildable blocks. The goal is to expand Minecraft's building options with unique objects inspired by Teardown for players to use in their creations.

14kdownloads
Pillager Medieval Mansion Dungeon
1.21

Pillager Medieval Mansion Dungeon

Medieval mansion that turns Pillager into trap-filled complexes with tactical combat and exclusive loot.

14kdownloads
cool building
1.21.10fabric

cool building

this modpack regroup effortless building and some furniture mod. Build cool thing!

14kdownloads
Spelunker's Palette
1.21.1neoforge

Spelunker's Palette

Consistent building blocks for minerals and metals

12kdownloads
Ancient Gems: Reforged
1.21.8neoforge

Ancient Gems: Reforged

Add 75 gems and numerous minerals that will allow craft a multitude of tools, armors, decorative elements, and building blocks that will complement your gaming experience.

9.1kdownloads
KantoModels for Cobblemon
1.21.1fabric

KantoModels for Cobblemon

A decoration mod with Kanto inspired models, furniture, props, signs, and interactive blocks for Cobblemon map building!

8.4kdownloads
KantoBlocks for Cobblemon
1.21.1fabric

KantoBlocks for Cobblemon

480+ blocks for building Kanto-style towns, routes, caves, interiors, and adventure maps in Minecraft.

8.4kdownloads
All About Decoration - Building & Furniture
1.21.1neoforge

All About Decoration - Building & Furniture

Elevate your Minecraft builds with the All About Decoration modpack, offering endless customization and stylish designs for any aesthetic preference.

8.2kdownloads
Phone : MC Device
1.21.1neoforge

Phone : MC Device

MC Device A mod that adds electronic devices and household appliances.

7.6kdownloads
Angel Extra Utilities
1.21.1neoforge

Angel Extra Utilities

Adds unique decorative and functional blocks inspired by Extra Utilities 2. Perfect for players seeking aesthetic and practical building options.

7.3kdownloads
Belzebuth Nether Kingdom
1.21.5

Belzebuth Nether Kingdom

Adds a news structure to the Nether, The Belzebuth Castle, along with a new Boss, New Tools, New Items, New Enemies and New Music Discs!

6.9kdownloads
Building Shift
1.21fabric

Building Shift

Cancels Interaction with Functional Blocks without holding Shift Key! Use Commands or Binded Key to toggle, G by default

5.5kdownloads
Create: Better Building
1.19.2forge

Create: Better Building

This mod adds a variety of new (mainly decorative) building blocks to the game, which are themed around Create and factories.

5.2kdownloads
Mazon's Quarks
1.21.1neoforge

Mazon's Quarks

A lightweight Quark-inspired port that adds decorative blocks, smart building tools, and subtle quality-of-life features to enhance vanilla gameplay

5.1kdownloads
Create Train Tank Mod
1.21.8fabric

Create Train Tank Mod

This mod adds round blocks, which may be used for building create trains.

5.0kdownloads
Simplebuilding
1.21.10fabric

Simplebuilding

A simple building mod. Create Faster, Farm Faster, Enjoy The Game Without Loosing Your Soul!

4.7kdownloads
KantoModels
1.21.1fabric

KantoModels

KantoModels is a decoration mod created for map building!

4.6kdownloads
KantoBlocks
1.21.1fabric

KantoBlocks

480+ blocks for building Kanto-style towns, routes, caves, interiors, and adventure maps in Minecraft.

4.6kdownloads
Xtones Reworked Fabric
1.21.10fabric

Xtones Reworked Fabric

Port of the Mod Xtones Reworked that adds various of modern, futuristic, and fantasy style decorative building blocks

4.3kdownloads
Builderdash
1.21.7fabric

Builderdash

Building-Related Party Minigames - Server Side Only

4.3kdownloads
BuildingModpack
1.21.11fabric

BuildingModpack

A carefully put-together collection of building-focused mods for Minecraft. It adds new building blocks, decoration options, and useful tools to make building easier and more enjoyable, while keeping the overall Minecraft experience familiar.

4.1kdownloads
Glowstone Lamp
1.21.4

Glowstone Lamp

Transforms Glowstone into a more versitile building block!

4.0kdownloads
Guess The Block Minigame
1.13

Guess The Block Minigame

Tired of building a minigame all by yourself? Bored of playing minecraft too? A new minigame now awaits you!

3.8kdownloads
The Builder Land V1
1.21.1neoforge

The Builder Land V1

This mod pack is made for builders of all levels. With a maximum of blocks, decorations, and mods to simplify your life for building like "world edit" and Effortless Building, a competitor to Axiom for Neoforge.

3.5kdownloads
Illusions
1.21fabric

Illusions

A funhouse mirror mod for Modfest: Carnival.

3.4kdownloads
OcelotSign
1.21.11fabric

OcelotSign

A MishangUC traffic expansion mod featuring standard Chinese mainland road signs, custom sign blocks with pillars, and road markings for realistic city building.

3.1kdownloads
Rose Gold Alloy - Tools, Armor and More
1.21.5fabric

Rose Gold Alloy - Tools, Armor and More

Introduces Rose Gold, a craftable metal between Iron and Diamond. Adds full tool set and a storage block, with armor and more building blocks coming soon.

2.9kdownloads
;fixed-walls
1.21.4

;fixed-walls

simple java resource pack that fixes the wall model for more versatile creative building

2.6kdownloads
UsefulDecor: Interactive Craft
1.21.11fabric

UsefulDecor: Interactive Craft

Adds functional decorative blocks including storage chests, oak windows, and lockable doors that enhance base security.

2.6kdownloads