HomeJava1.21

Minecraft Java 1.21 Mods

Browse 81 free mods for Minecraft Java 1.21 — popular picks include Architect’s Toolkit, AH StatusAPI, Gendarmerie 2025.

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Architect’s Toolkit
1.21.11fabric

Architect’s Toolkit

A builder-focused modpack that adds powerful tools to make creative building faster and easier.

253downloads
AH StatusAPI
1.17

AH StatusAPI

Host a powerful, secure REST API on your own Server. Best for building your own Dashboard - For Devs and Admins

252downloads
Gendarmerie 2025
1.21.1fabric

Gendarmerie 2025

A pack with few mods that offers a bit of adventure and building while remaining lightweight

249downloads
Visor's Modpack
1.21fabric

Visor's Modpack

This is a client-side modpack that enhances Minecraft overall and makes it more fun to play. It adds a full player body and various building mods, so it's best to use on small SMP servers or similar ones to avoid potential bans.

249downloads
CobbleSteam
1.21.1neoforge

CobbleSteam

A Cobblemon pack with a focus on create and building blocks.

244downloads
MrChipdip's Building Pack
1.21.4fabric

MrChipdip's Building Pack

An Advanced Building Modpack

229downloads
Create Aero Mobile Cities
1.21.1neoforge

Create Aero Mobile Cities

VERY WIP create aeronautics-based modpack, focused eventually around constructing large mobile bases (through land, air or sea) as opposed to operating a larger stationary base

228downloads
Ultimate Creative
1.21.11fabric

Ultimate Creative

Experience the ultimate creative building experience with a perfect balance of optimisation and building mods, with many more to come!

228downloads
DeveloperMCP
1.20

DeveloperMCP

Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).

212downloads
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 🔥

202downloads
Cassetu's Building Pack
1.21.6fabric

Cassetu's Building Pack

Mods + Shaders that Cassetu uses in his builds

200downloads
Builders Heaven
1.21fabric

Builders Heaven

Builders Heaven is a Modpack that is designed to enhance a creative players building experience. It adds more than 20 mods to help with QOL and Building

172downloads
Elevator_dp
1.21

Elevator_dp

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

150downloads
Coastline: Sunbeam
1.21.1fabric

Coastline: Sunbeam

Designed to provide a lightning-fast experience, with all the building tools you'll ever need. Includes Litematica and Axiom.

150downloads
Saamchii's Requiem
1.21.1neoforge

Saamchii's Requiem

A small modpack based on exploration, magic and colony building.

150downloads
TLSBridge
1.21.5

TLSBridge

A plugin for minecraft which makes your server accept TLS wrapped connections. Very useful while building a server with Tailscale Funnel inside Linux or WSL.

149downloads
PishMc - Modpack
1.21.11fabric

PishMc - Modpack

The official modpack for the PishMc server. An elite vanilla-plus experience combining advanced building tools (Axiom, Litematica), infinite render distance (Distant Horizons), maximum FPS optimization, and immersive proximity voice chat.

140downloads
Modium Pro
1.21.5fabric

Modium Pro

Modium Pro expands Modium with advanced tools for building, automation, and content creation, ideal for experienced players

140downloads
Chromatic Creations
1.21.1neoforge

Chromatic Creations

A Create modpack focused around building and farming.

140downloads
Create: Extensive
1.21.1neoforge

Create: Extensive

Create: Extensive is a large 1.21.1 NeoForge modpack centered on Create and its many addons. It offers massive automation, factories, building, and world exploration with tons of content.

138downloads
JustPlugin - All in One Management Plugin
1.21.11

JustPlugin - All in One Management Plugin

Lightweight all-in-one essentials plugin for Paper, Purpur, and Folia 1.21.11+. Economy, teleportation, moderation, jail, kits, vaults, ranks, database storage, and 159+ more commands — all in a single configurable JAR.

134downloads
VanillaKush
1.21.5fabric

VanillaKush

A Modpack that aims to enhance everything from the UI, QOL, sounds, building, structures, biomes and plenty more.

125downloads
Barely Modded
1.21.5fabric

Barely Modded

Made for content creation, this pack contains mods for optimization, aesthetics, and creative building

121downloads
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

114downloads
Toolmaster
1.21.4

Toolmaster

Opens a simple inventory containing all essential tools for survival building

112downloads
Instant Thumbnails
1.21.11fabric

Instant Thumbnails

Create stunning Minecraft thumbnails with powerful building tools, cinematic cameras, visual enhancements, and performance optimizations—all in one modpack.

107downloads
NTBD Cobble X Create
1.21.1neoforge

NTBD Cobble X Create

Cobblemon X create mod base with extra addons

102downloads
ForBuilding
1.21.1fabric

ForBuilding

This Modpack is for people who want to build more than 32 chunks with high FPS rates, sacrificing some new blocks from 1.21.8 for performance (⊙_◎) .

100downloads
HueFinder
1.21.4fabric

HueFinder

HueFinder adds a clean in-game menu to browse and search color palettes for creative building.

90downloads
Mc are Amazing!
1.21.1fabric

Mc are Amazing!

This modpack offers a rich, performance-optimized Minecraft experience that blends exploration, adventure, building, and immersion. It includes numerous visual enhancements, quality-of-life improvements, and gameplay expansions while maintaining smooth

84downloads
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
Create : Optimised & Fun
1.21.1neoforge

Create : Optimised & Fun

Create survival modpack focused on automation, building, storage, and QoL improvements for smoother progression.

76downloads
Create Complete Reimagined
1.21.1neoforge

Create Complete Reimagined

A minecraft Modpack that uses Create: Complete by Shalz as a base and adds more mods like Mekanism, Refined Storage and their integrations

71downloads
Sebzo X Smp
1.21.10fabric

Sebzo X Smp

A balanced multiplayer modpack that upgrades exploration, building, and overall gameplay while staying close to vanilla. Ideal for long-term SMP worlds and

68downloads
JUSTCREATE_byzemzemsuyu
1.21.1neoforge

JUSTCREATE_byzemzemsuyu

This modpack makes the game more fun with the Create mod and its add-ons. Besides that, there are new swords, optimization mods, fun add-ons, and mods to make things easier for players. There are also new blocks for building,

65downloads
Create+ Neo
1.21.1neoforge

Create+ Neo

A Create-centric modpack packed with addons, visual enhancements, and quality-of-life mods for an immersive factory-building experience on NeoForge 1.21.1.

63downloads