Minecraft Java 1.21 Mods
Browse 8,206 free mods for Minecraft Java 1.21 — popular picks include The Block of Angel, Create Aeronautics Discovery, Marigolds.
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The Block of Angel
An exploration-focused mod that rewards curiosity and reduces repetitive grind — while keeping the core survival balance intact. Perfect for players who want each discovery to matter. Start with almost nothing — earn every shortcut.
Create Aeronautics Discovery
An extension for the Minecraft Create Aeronautics to add generated structures to the world.
Marigolds
Adds a new flower to the game, the marigold.

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
No More Chorus Plant
Removes chorus plants from the world generation.
Survival...but smooth
Better visuals and sounds, smoother gameplay, fps boost, forge and fabric support, aesthetic features, server version and QOL mods. Generally, an enhanced vanilla gameplay.
Structure Generation Improver (SGI: Foundations!)
Improves world generation by dynamically conforming terrain around structures, creating natural slopes and seamless integration with the surrounding landscape.
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
Real Peaceful Mode
Realize monsters' expectations, and get along well with them.
Diabolical Islands
Datapack that creates Nethers with the same floating island generation of Aetherial Islands.
Moss: Village & Pillage
Adds a new village and Pillager outpost that generates naturally underground in lush caves.
More Ancient Debris (5x)
Tweaks the world generation to get 5x more ancient debris spawn rates!
Delta's Just Give Me Features
Delta's Just Give Me Features, Formally Delta's Mod Pack 20
Fragments of Gugugaga
+5 dimensions, +6 bosses, all chained together. 4 main elements that will be used everywhere.
CAWEZ'S Mantle to Stratus
A vertical expansion to Minecraft adding 3 new dimensions both above and below the Overworld, with many sights to see and challenges to overcome.
Adventurer's BackPack
Adventurer’s Backpack adds magical, upgradeable backpacks for survival. Carry more, protect key items, place your pack in the world, and customize it for mining, building, and exploration without making survival feel like creative mode.
DivineRPG Server pack
A Challenge modpack designed on testing DivineRPG
Fixed
A mod designed to fix the core gameplay elements of Survival Minecraft
The Pocketaverse - Pocket dimensions
This mod adds a way to create and go to pocket dimensions to provide more space ,add some extra exploration & imprisoning people :)
No More Jungle Temples
Removes jungle temples from the world generation.
NotHighEnough
Increases the world height to 1024 blocks
Random Block Chunk
Every chunk is made up of one type of block.
Newgrange - Ruins Structure ✅
Newgrange is an ancient monument in a Minecraft vanilla-friendly style, inspired by Ireland’s prehistoric passage tomb, featuring a great circular mound, hidden chambers, and mysterious stone carvings.
Structural Beyond | SB
Simple mod that adds more structures to your world

Youkai's Homecoming-unofficial-port
Unofficial 1.21.1 port of Youkai's Homecoming. Original by lcy0x1, ported by yinyuze. Contains essentially all 1.20.1 content.
SkyBlock (BSkyBlock)
Classic SkyBlock survival for multiplayer servers. Start on a floating island with limited resources and build your way up. Powered by BentoBox.
Biome notifier
mod that shows a clean biome notification whenever you enter a new biome
More Ancient Debris (20x)
Tweaks the world generation to get 20x more ancient debris spawn rates! Way too overkill...
Barched
Backporting Parched, Camel Husk, Zombie Horse, Spears and more features in 1.21.11 to 1.21.1!
PixelGO - To the Sky 2
Experience the adventure with pokemons in the sky with mod tech, custom egg pokemon and with quests !
Sky High
Increases the world height to 1024 blocks
Weather Flux
Brings real tornadoes, storms to Minecraft, powered by procedurally generated supercells and in depth calculated & simulated systems.
Avali/Furry Floofpack 2025
A massive Avali/Furry modpack + dedicated server with tech and magic that is regularly updated! Tied with it's own official Modpack server! This modpack's main feature is Customizable Player models and is designed for Furries and non Furries alike!
{Additions}
{Additions} is perfect for your Minecraft Vanilla + Experience. It adds many vanilla styled feature´s. Explore overhauled Biomes, structure´s and more!
Meteors
Meteors falls from the sky!

animals variants
a mod that add the cold cow