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Minecraft Java 1.21 Mods

Browse 2,172 free mods for Minecraft Java 1.21 — popular picks include Civillis Technology Compatibility, MMO Realms Cobblemon, XP Stream.

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Civillis Technology Compatibility
1.21.1fabric

Civillis Technology Compatibility

Adds compatibility between Civilis and various tech mods.

114kdownloads
MMO Realms Cobblemon
1.21.1fabric

MMO Realms Cobblemon

Cobblemon Pokemon Modpack

101kdownloads
XP Stream
1.21.1fabric

XP Stream

Absorb XP orbs faster without clumping, no XP loss, same vanilla feel

101kdownloads
Tools for builders
1.21.1fabric

Tools for builders

This Mod Pack Gives You Almost ALL Building Essencials, Like Litematica for building from shematics! Theres Also More! With Some ResourcePacks That I Picked As the Dont Change A Lot And Just Make The Game Look Better!

97kdownloads
Cobblemon Essentials [1.7.3]
1.21.1fabric

Cobblemon Essentials [1.7.3]

Pokemon in Minecraft with exciting new features added!✨ Explore Pokémon towns, ride on Pokémon, challenge Gym Leaders, collect Pokémon plushies, and so much more!

94kdownloads
PVP Essentials
1.21.11fabric

PVP Essentials

Essential client side PvP features, including armor, potion, and arrow HUDs, damage indicators, and much more!

93kdownloads
InstaRestock
1.21fabric

InstaRestock

Instant Restock or Insta Restock makes villagers infinite restock

90kdownloads
Mobs Blocker
1.21.8neoforge

Mobs Blocker

Disable the spawning of specific mobs in Minecraft

87kdownloads
Aeronautics - Create Customised
1.21.1neoforge

Aeronautics - Create Customised

A NeoForge modpack focused on customising the Create mod.

84kdownloads
Cobblemon Auto Tidy Up PC
1.21.1fabric

Cobblemon Auto Tidy Up PC

An add-on for the Cobblemon mod that automates storage on your PC. This is a client display only.

84kdownloads
Better Hitboxes
1.21.8fabric

Better Hitboxes

A highly customizable hitbox configuration mod.

82kdownloads
Cobblemon Cobbletwo - Best Cobblemon Experience
1.21.1fabric

Cobblemon Cobbletwo - Best Cobblemon Experience

Pokemon Cobblemon Pack - QoL and Performance mods! The server included in the pack has Every Pokemon, Mega Evolution and Legendary Spawns, Player Gyms, Raids, GTS, Pokemon Fishing, Races and more!

81kdownloads
Fabric Optimized
1.21.11fabric

Fabric Optimized

Max Optimized Fabric | More FPS

70kdownloads
Ender IO: Conduit Optimizer
1.20.1forge

Ender IO: Conduit Optimizer

Optimizes Ender IO conduits with customizable tick intervals and smart algorithms to maximize endgame logistics.

64kdownloads
Create Train
1.21.1neoforge

Create Train

Main about Create and its trains,better player models and the maids,those who like above will definitely want to download it! WARNING:don't let the Maids drive the Trains(or the other Contraptions), there may be unforeseen problems! BUT NOT ONLY THEAE.

63kdownloads
Better FPS (Modpack)
1.21fabric

Better FPS (Modpack)

Utilizes the power of Vulkan API to give you the best performance boost, even on 10-year-old hardware.

61kdownloads
Walksy's Mod Folder
1.21.11fabric

Walksy's Mod Folder

My Mod Folder - Made for Crystal PvP

61kdownloads
Mace Aim
1.21.8fabric

Mace Aim

If u like this mod check out mace smash by me Helps u aim with mace using help full guides and colored hud ALSO NOW HAS A SWORD MODE FOR BREACH SAWPING default key is P also the 1.21.11 version has a toggleable mace line default key M

60kdownloads
Cobblemon Apex
1.21.1fabric

Cobblemon Apex

Enjoy Cobblemon at its finest with our curated selection of over 90 mods, specifically chosen for optimal performance and a streamlined gameplay experience.

60kdownloads
PerformanceHUD
1.21.11neoforge

PerformanceHUD

Lightweight client-side HUD showing FPS, RAM, entities, chunks, ping, and CPU in one customizable corner overlay.

60kdownloads
CraftSense
1.21.9fabric

CraftSense

A Minecraft mod that suggests crafting recipes based on what you’ve crafted before, letting you quickly craft items with one click or a keybind.

56kdownloads
Redstone Sound Slider
1.21.11fabric

Redstone Sound Slider

Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.

55kdownloads
Unstable SMP Simulator
1.21.11fabric

Unstable SMP Simulator

Pre-configured Unstable SMP battle simulator modpack. Includes: Final Law Battle, 2v1000 Law Battle, Great Sea Law Battle, Tournament, Cindercrest Battle, Lakerek VS Wemmbu, Law End Island Defense, Mist, Smuggler Path Law Fight, Underworld

55kdownloads
Create Aeronautic
1.21.1neoforge

Create Aeronautic

This is a Minecraft 1.21.1 NeoForge pack centered on the Create mod and Aeronautics for advanced mechanical automation and airships. It is heavily optimized for visuals and performance using Distant Horizons, Sodium, and the EMI utility suite..

55kdownloads
Better Overworld (BOW)
1.21.1fabric

Better Overworld (BOW)

This Modpacks aims to better the aspect of Exploration in the overworld and including some Quality of Life while staying as Vanilla as possible.

54kdownloads
Catalytic Tweaks
1.21.1neoforge

Catalytic Tweaks

Changes mods behaviour, in a way to optimize them, fix some issues or extends their functionalities, most of them with configurations. Currectly affects Modular Machinery Reborn, SFM keywords colors, KJS in different ways , Pipez and more!

52kdownloads
Arcadia Patch Create
1.21.1neoforge

Arcadia Patch Create

Validated server-side performance patches and runtime controls for the Create mod on NeoForge 1.21.1. Reduces server tick time (MSPT) with adaptive throttling and admin commands.

52kdownloads
MojoLauncher FPS | Butterium Mobile
1.21.8fabric

MojoLauncher FPS | Butterium Mobile

Optimization/FPS and quality of life. A client-like performance pack with custom menus/in-game HUD - now for mobile phones

51kdownloads
Actions & Java
1.21.11fabric

Actions & Java

Actions and Stuff, but on java 🍉, bringing new animations, textures and visual effects, which makes your world more alive 🍃 0.5.9 OUT NOW! 🔆

48kdownloads
Open Inventory
1.16

Open Inventory

OpenInv is a powerful Minecraft admin plugin that lets staff view and edit player inventories and ender chests using /inv commands, featuring a modern GUI, database-backed inventory snapshots, rollback support, and multiple Minecraft version support.

44kdownloads
SimpleClaimSystem
1.18

SimpleClaimSystem

Full claim system for Minecraft servers. Fully configurable and many plugins supported.

42kdownloads
Create: Think Bigger! V2.5
1.21.1neoforge

Create: Think Bigger! V2.5

Create: Think Bigger V2.5 IS OUT!!! #CTB Welcome to "Create: Think Bigger!", a modpack based around mod "Create". Only NeoForge.

41kdownloads
Create: Configurable Machine Outputs
1.21.1forge

Create: Configurable Machine Outputs

Take control of your create machinery automation! This mod lets you choose which recipe your millstones, crushing wheels and presses use when multiple addons create conflicting recipes, ensuring predictable and reliable automated systems.

40kdownloads
Neo ECO AE Extension
1.20.1forge

Neo ECO AE Extension

Neo ECO AE Extension is an addon for Applied Energistics 2, Provides higher-performance components

39kdownloads
Optix Client
1.21.10fabric

Optix Client

Optix Client is a cutting-edge, Fabric-based utility client built for players who demand performance and precision. Designed with a focus on PvP and minimalist aesthetics, it provides a seamless experience for modern Minecraft versions.

39kdownloads
CREATE and COLONY - Better features with Create and MineColonies
1.21.1neoforge

CREATE and COLONY - Better features with Create and MineColonies

The ultimate experience: Create automation, MineColonies management, epic bosses, and massive exploration—all with top-tier optimization. This modpack has an official server! IP: 92.222.138.235:26843

39kdownloads