Minecraft Java 1.21 Mods
Browse 2,071 free mods for Minecraft Java 1.21 — popular picks include Custom Biome Saplings, ExecutableItems, Custom Hitboxes.
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Custom Biome Saplings
Allows Terralith and Blooming Biosphere trees to be regrown using vanilla saplings
ExecutableItems
Custom Items, ExecutableItems plugin allows you to fully customize every aspect of your items, and adding unique activators on your items !
Custom Hitboxes
A complete overhaul of Minecraft's hitboxes
Photography
Yet another camera mod to take photos of your world!
StructurePack
Datapack adding many new structures
Vanilla+
New Armor, New Tools, Dyeable Elytra, Dyeable Books, Custom Food, and more. All wrapped up in a Vanilla-style package. Can be used on singleplayer, on Minecraft Realms, and on servers.
Analog Audio
Bring the warm comfort of analog audio mediums to your world! Integrates with Create Aeronautics, Sable, Voice Chat, and more!
[原石工艺] Primogem Craft
A distinctive Minecraft mod integrated with Genshin Impact and Honkai: Star Rail
NoEmotecraft
Emotecraft fork with 1.21.x update
Tough Environment
"One does not simply walk into the mountains and mine iron ore with a stone pickaxe." -Avernite
Lampcrafting
Adds many new lamps: lamps with new patterns, shower lamps, colored lamps, large lamps, also lamps with their own mechanics. In addition, achievements are added
Particle Blocker
Block/Remove particles of your choice with an intuitive gui and enjoy a less clustered, more optimized experience.
AeroEngine
AeroEngine is a Create addon that adds modular aircraft engines and a pilot HUD for flight control and navigation.
TFC Astikor Carts
Adding compatibility between Astikor Carts and TerraFirmaCraft
Custom Totem Particles
Fanciest totem particles in the west!
Simple Health Bar
Simple Health Bar mod that changes the way your health is displayed
BetterStructures
Add structures for any world generation!
Realm RPG: Treasure Balloons
Adds rare balloons flying above players. Shoot them down to get loot!
Flora's Delight
Addon for Farmer's Delight that adds new Flowers, Fruits, build your own pizza, Cheese, and other Foods!
Slabbed
Put torches on slabs! Hang lanterns from slabs! Place blocks on slabs! Stack blocks on those blocks on those slabs! Slabbed makes it work! Slabbed!!!
Better Hitboxes
A highly customizable hitbox configuration mod.
Totem Pop Chams
Captures player entity states on totem pops and displays a ghosted version in it's place
Footprint Particles
Adds Footprints to the game!
Glow Squids Actually Glow
Makes glow squids actually glow!
Foggy Pale Garden (FPG)
A mod that adds fog to the Pale Garden biome. But you can customize any kind of fog anywhere you like!
Immersive Sounds
This mod adds ambiental sounds to make you feel more IN the game.
Crafting Recipes For Create
This Mod Allows You To Craft Chipped Block With The Create Mod

Wind Boost Enchantment
Allows one to Enchant the Harness with a Custom Enchant to make Happy Ghasts Faster
Starry Express
A Harpy Express/WATHE addon mod that focuses on roles, decoration, and quality-of-life features. Yes, this is the mod with the Role Guidebook.
Origins: Statures
Multiplayer-friendly cosmetic player size, height and width! Adds a layer of handmade Pehkui scale presets to Origins.
Simple Concrete
Turn concrete powder into concrete by right-clicking a cauldron. Fully compatible with modded concrete. (E.g. Dye Depot)
Craft Spawn Eggs
Adds a crafting recipe for every spawm egg
Vectorientation:RF
Rotates falling blocks into the direction they're heading
Craftable Capes
Craft and wear any cape you want!
VillEdit
Create custom villagers with the VillEdit datapack! This is an easy custom villager creator which works without mods.
Additional Armoury
Adds more weapons, magic, and armour to the game. Part of the Combat+ collection.