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Minecraft Java 1.21 Mods

Browse 57 free mods for Minecraft Java 1.21 — popular picks include NICESPACE MODPACK, FurSpace, GalacticChunks.

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NICESPACE MODPACK
1.21fabric

NICESPACE MODPACK

Official Mods for NiceSpace Vanilla Server!

211downloads
FurSpace
1.21.10fabric

FurSpace

Pure vanilla, optimization & comfortable gameplay pack.

173downloads
GalacticChunks
1.2.1

GalacticChunks

GalacticChunks is a high-performance storage layer designed to reclaim your disk space and eliminate save-lag. By modernizing how Minecraft data is stored, we make your server faster and your backups smaller. 📦 Shrink Your World: Achieve 3–10× better comp

158downloads
AeroBoots
1.21

AeroBoots

AeroBoots is an advanced jetpack boots plugin for Minecraft 1.21.5 that allows players to fly in a controlled and epic way. With optimized visual effects, realistic rocket sounds, and a strict system without fall damage protection

156downloads
BeeLIte
1.21.11fabric

BeeLIte

Уникальная сборка для сервера BeePlanet A unique build for the BeePlanet server

146downloads
SafeSpace
1.21.11fabric

SafeSpace

Minecraft's New Default look and feel.

127downloads
Create Infinity By Alperca
1.21.1neoforge

Create Infinity By Alperca

The ultimate 1.21.1 Create experience. Automate heavy industry with TFMG, build functional airships with Create Aeronautics, and launch into the cosmos with Creating Space.

125downloads
Create Rocketjump
1.21.1neoforge

Create Rocketjump

Create based modpack with greatly performance and with many additions

119downloads
Aizen_0
1.21.1fabric

Aizen_0

This modpack will boost your FPS like a rocket, and also, this modpack can also run on the mobile launcher.

100downloads
SpaceMC
1.21.4fabric

SpaceMC

Quality of life additions for the vanilla SpaceMC server in order to give a better, modded experience to the user!

86downloads
BLOCKID Display
1.21

BLOCKID Display

Displays the namespaced block ID (including water/lava) and block facing direction in the ActionBar.

61downloads
SpeicherSaver
1.21

SpeicherSaver

A high-performance Minecraft server plugin that automatically deletes unused world files to reclaim 80%+ disk space while safely protecting player bases and builds.

55downloads
Abort
1.21.11fabric

Abort

A lightweight Fabric mod providing an emergency hotkey (Alt + Backspace) to break out of frozen screens and return to the main menu.

24downloads
ARLib Mod (1.21.1, 1.12.2) – Library For Advanced Rocketry Reworked Mod
1.21.1neoforge

ARLib Mod (1.21.1, 1.12.2) – Library For Advanced Rocketry Reworked Mod

ARLib Mod is a core library mod designed to support and streamline the functionality of mods in the Advanced Rocketry Reworked ecosystem. It provides essential tools and shared resources that enable integration and performance optimization for dependent mods. Features: Core Functionality: Supplies foundational code and systems required for Advanced Rocketry Reworked and its related mods. […]

Perfectly Packed Mod (1.21.1, 1.21) – Space Optimization In Bundles
1.21.1fabric

Perfectly Packed Mod (1.21.1, 1.21) – Space Optimization In Bundles

Bundles in Minecraft allow you to store a total of 64 items. Perfectly Packed Mod is here to allow you to store multiple items within a bundle as long as the number of items do not exceed the bundle’s limit of 64. This means you can store one of 64 different items inside a bundle. Hovering […]

S
1.21.1neoforge

Small Town

Explore a vibrant world, engineer colossal Create factories, build functional airships and rockets, and shape a beautiful home—surrounded by richer wildlife, food, structures, sound, and atmosphere.

1.2kdownloads
1.20spigot

✨ StarParticles ✨ | Animated | Pulsing Stars | Collision Effects | 1.20+ | Ultra Optimized

Turn your server into a galaxy! Beautiful animated stars, rotating circles, and dynamic collision

28downloads
Aetheria Shaders
1.21

Aetheria Shaders

Aetheria Shaders is a gorgeous fantasy modification of Complementary Reimagined. Features custom dimension atmospheres, glowing teal water, galaxy-themed Nether portals, flowing molten lava, and a volumetric End tornado. High performance guaranteed.

59kdownloads
Capital Industries Server
1.21.1neoforge

Capital Industries Server

A fast, multiplayer-focused Create mod-pack built for massive automation, optimized performance, nuclear power scaling, and expanded exploration across planets.

1.5kdownloads
Accessorify Mod (1.21.10, 1.20.1) – Allows Various Vanilla Items to be Equipped
1.21.10

Accessorify Mod (1.21.10, 1.20.1) – Allows Various Vanilla Items to be Equipped

Accessorify Mod allows various vanilla items to be equipped as accessories, freeing up inventory space while maintaining their functionality. Equipped items automatically generate replacement accessory slots, ensuring no loss of available slots. A configuration menu provides full customization of which items function as accessories. Features: Converts specific vanilla items into accessories for optimized inventory management. […]

Memory Usage Title Mod (26.1.2, 1.20.1) – Live RAM Display
1.20.1

Memory Usage Title Mod (26.1.2, 1.20.1) – Live RAM Display

Memory Usage Title Mod displays Minecraft's memory usage in the window title bar. Features: Shows how much memory Minecraft is using in real time, right in the title bar. Keeps performance info visible without taking up HUD or debug screen space. Screenshots: 1.21.41.21.41.21.4 Memory Usage Title Mod Download Links