Minecraft Java 1.21 Mods
Browse 3,320 free mods for Minecraft Java 1.21 — popular picks include Arda's Backpack, Carpet Ilmater Addition, Cartoonikal.
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Arda's Backpack
Expand your inventory with Arda's Backpack! This essential storage mod adds portable, upgradable backpacks to Minecraft, allowing you to carry more loot and manage your items with ease. Upgrade from basic leather to powerful ore-infused tiers.
Carpet Ilmater Addition
A Carpet extension with crying portals and other silly features
Cartoonikal
cartoony shader that doesn't suck
super_scary.jar
A super serious and super scary horror mod!
The scary stalker
this horror mod is scary it has a long nose and i will add more stuff to it to
Dooby Train Minecarts
Turn your minecarts into dooby3D's train! 🚃💨(CEM)
World Outline
This shader adds a simple customizable world outline, inspired by Complementary's one.
Customizable Carts
Customizable Carts adds a variety of new minecart designs that can be customized with various parts
CPvP Carrot pack
A quirky carrot‑themed PvP resource pack that remixes crystal gear and golden apples—vanilla‑compatible and optimized for custom item models
StijnMarsepijn's Mace Trainer
A pack that optimizes mace and other PvP
Tech and Trains with Guns
Just a Modpack that focuses on 3 main mods. Create, Mekanism and Immersive Engineering
Rimuru's Anti-magic Mask
The Mask from Rimuru from That time i got reincarnated as a slime
Mode 13h: MS-DOSify!
An Iris shader pack for Minecraft that recreates the look of late-90s MS-DOS 3D graphics with deliberate retro accuracy.
Fluid Pipes
The primary use of fluid pipes is to carry fluids around the world. But they are not limited to this.
Clown Raid
Adds circus parades! Made for Modfest: Carnival
Quirky Vehicles Framework
Mod framework providing tools for easier implementation of multipart and multiplayer-movable vehicles
Confluence: Of another World and Create
A carefully balanced modpack combining Create-based engineering with boss-driven progression and new dimensions from Confluence: Otherworld. Explore, automate, and fight your way through a living world.
Holding Blocks
Changes full blocks to be held from the perspective that the player is carrying it using both of their arms.
PsychoTerror
A psychological horror system that reacts to each player’s behavior, creating unique personal scares and world distortions.
Vulgar's PvpBot
Pvpbot is an mod that uses carpet as a dependency it adds players that can be summoned through commands, these players have advanced combat ai and can be used to practice PvP (Player Versus Player)
Cardboard Boxes
An early game alternative to shulker boxes!
Hana's Cards
Adds new collectable cards to Minecraft!
Pocket Mobs
Battle with mobs using Pokémon Showdown. Made for ModFest: Carnival.
Carbink Gemstone Variations
Carbink variations! All based on different Minecraft ores.
Mafia Cars
Tired of racing cars? How about trying a classic! I introduce you a brand new (well forgotten old ones) car from the past century: Bolt Model B (Ford Model A) and Bolt Ace (Ford Model T)
Create : Numismatics Starter Pack (works without Numismatics too)
Allow the player to have some cogs, a wrench, a pair of goggles, a red card*, a bank terminal* and a vendor* by using the /starter_kit, that can only be used once ! *only in 1.21.1 versions
Caravans & Convoys - Automatic Trade
Place a dock, post an offer, and horse-drawn wagons haul goods between docks on their own, guarded by soldiers on the road.
Simple Orbital Cannons
Circuit & Cartridge is a NeoForge 1.21.1 military simulation framework featuring advanced redstone, drones, orbital weapons, electronic warfare, and a public addon API, built for hardcore SMP and mil-sim servers.
Nature's Carpet - Wilder Flowers
A lush floral overhaul bringing colorful wildflowers to Minecraft’s forests with a natural, immersive feel.
Minecart Speed
Adds a command to change minecart speed.
VSS|原版风平滑剑
A vanilla-style smooth sword: model-modified, nearly no extra performance cost. It also fixes vanilla’s asymmetrical crosshair, and reduces carved pumpkin FOV obstruction to 15% of vanilla.
Train's Tweaks
Configure hardcoded aspects of experience, rarity, mob drops, and more
Carpet-FGA-Addition
An AI-powered Carpet extension mod packed with practical utilities, including longer player name support and fake-player area mining.
Cobblemon Dungeon
Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.
Tensura: Arcane
Tensura: Arcane is an add-on for Tensura: Reincarnated, adding new races and skills.
Create: Maintenance Control
A Create addon introducing maintenance mechanics. Allows Train Stations to be temporarily disabled, making trains skip them without modifying any train schedules.