Minecraft Java 1.21 Mods
Browse 128,777 free mods for Minecraft Java 1.21 — popular picks include Monolithic Modernity, Create: Restone (link) Funktions and Colored Pixels, TeamsOffliner.
Step by step: How to install Minecraft Java mods & modpacks
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Monolithic Modernity
Bringing monoliths from alpha back into modern Minecraft!
Create: Restone (link) Funktions and Colored Pixels
RedstF extends Create with new Redstone Link mechanics: programmable functions, more frequencies, and RGB displays.
TeamsOffliner
The successor of the "Teams Offline Enabler", since I needed the version for 1.21.1
IgnatiusHC's more ore
Added a great many ores and alloys. Additionally, there are more equipment and excavation levels.
The Copper Age
Play the new Copper Age update with many improvements (better performance, new Biomes, Building Blocks and more)
Elytra Infinite Flight
Experience endless flight with the Infinite Elytra Flight Mod! Simply build a 50-block high platform, enable fly mode from your inventory, and soar across your Minecraft world without limits (just keep your elytra in good shape).

No Immunity Frames
Removes Immunity Frames from all Entities
Kikoku
Unleash the power of the Kikoku from One Piece, featuring double enchantment levels and the ability to damage through armor, even against creative players!
Megumin hat
Changes the carved pumpkin to a megumin hat, if renamed on the anvil.
Amerite Gear & Tools
Changes the textures of netherite items to look like amethyst.
SideShield
It makes the shield smaller and also the shield blocking
DependencySorter.isCyclic StackOverflow Crash Fix
This mod fix a crash within the vanilla code that can happens when other mods put the game into an unexpected situation.
HD FONT
This resource pack improves font quality in Minecraft
SMPEvents (SMPE)
Randomly starts small competitive events for everyone on the server to participate
Hide My Armor!
Make all armor invisible!
Coord Saving TP'er Thing
A modified recovery compass, which allows you to save coordinates on it, and use it to teleport to the saved coordinates.
Care For Them - Terrafirmacraft
Integration of the features of Terrafirmacraft into Care For Them
Everything Emissive!
Makes ores, armor trims, suspicious blocks and powdered snow glow, helping you spot them easily while exploring caves or snowy biomes, even without torches.
Individual Wolf Variants
Allows you to pick one new wolf variant to play with.
All in one craft
This modpack offers magic, exploration and technology it was made for everyone!
Glowing Ore Outlines
Glowing and outlined ores in vanilla with no mods or Optifine required!
Paper Client
paper Client is a client-side Fabric mod that adds a customizable HUD, keystrokes, custom crosshair tools, a local cape system, waypoints, visual customization, alerts, item counters, client-side optimizer options, and a custom GUI
Oritech: Consistent Pipes Retexture
A retexture that brings visual harmony to your Oritech setup. Cleaner, more consistent, and industrially beautiful.
Foggy Clouds
Brings back the soft, misty look for faraway clouds just like older Minecraft versions before 1.21.6. Perfect for players who miss the classic atmospheric feel of distant skies.
Mushrooms 3D
This resource pack simply changes the 2D texture of the original mushrooms to a 3D model with the original texture. If you wanted a 3D model instead of a 2D texture, then this is the right option!
Item Highlighter Simple Icons
Replaces stars from item highlighter mod to 2x2 squares
Mod Glue
Auto-enabling cross-mod compatibility patches and data
NMSC
NMSC (No More Sniffers/Camels) is a very simple datapack that just about removes the existence of sniffers and camels.
4K Realistic Moon for Zoom Mods
Replaces vanilla moon with ultra-resolution 4K realistic Moon texture based off NASA imagery. Meant to be used alongside realistic skies mods like AstroCraft or other mods that allow high zooming.
Music Everywhere with New Music
All music plays without biome restrictions plus enjoy the newest Minecraft music in previous updates!
Soft Loader
Automatically loads datapacks non-intrusively

Red bricks - programmer's art edition
Replaces clay bricks with red ones for more accurate medieval builds - programmer's art edition
Food Update
A new game-ready food balance and a flexible tool for DP-creators
ItemEconomy
Physical economy for Vault
Better Lore
Better Lore adds a survival-friendly extension to the anvil. You can now create unique items by customizing your name or adding lore to them using anvil!
Soulless Golden Apples
Changes the Golden Apple texture to an void like color