Minecraft Java 1.21 Mods
Browse 438 free mods for Minecraft Java 1.21 — popular picks include Biome Bound Blocks, Forest panorama, Bittersour.
Updated daily
Biome Bound Blocks
Certain building blocks can only be placed in their native biome, encouraging architectural harmony with the environment.
Forest panorama
Panorama of the forest biom
Bittersour
New biomes and sour fruits
FreshPack
Freshpack enhances Minecraft with new biomes, structures, and features. Enjoy improved navigation, decorative elements, and streamlined resource gathering for a more exciting and varied gameplay experience.
Motley Fins
Updates aquatic biomes, adding blocks and a new mob!
Izmaost's Autumnal Birch
Turn your birch forest into a magical autumn forest. Animated bushy leaves, log variants and more!
Greener Leaf Litter
Changes Leaf Litter's color depending on the biome, just like leaves.
SurvivalReborn
Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!

Datapack Cold World
Makes it possible for snow to fall everywhere, in all biomes without changing their basic functions, and also freezes all the water on the surface.
Moose Gen
Moose Gen is an overworld biome overhaul made by a Moose, focused on playability with a touch of whimsy.
Biome Heart
Use the creaking heart with different blocks to change the biome.
JFH (just for hardcore)
this modpack adds tons of stuff that the perfect hardcore world would need, it's made for multiplayer but works for singleplayer too, it adds stuff like biomes, better world gen, bigger caves, voice chat, furniture and much much more
Celestial Horizons
Adds 170 Biomes ,1 new dimension and 20 blank presets for map making. Alpha v1.0 is designed for mapmaking.

Gray Forest Mod
This mod adds new biome to the game - Gray Forest
Snowy Rework
Rework for snow biome!!!
OverGrown Tools
OverGrown Tools — A nature-themed resource pack that reclaims your gear for the forest. Every tool and weapon is now entwined with lush leaves, vines, and crawling ivy.

The Better Biomes And Plants Mod
It adds nice Biomes and other cool stuff to the game
The End Reimagined
A comprehensive endgame expansion that introduces a brand new dimension and unique biomes to transform the desolate reaches of the void. Designed for both solo and multiplayer play.
Neru totem
该材质包将游戏中的不死图腾改为NERU主题样式,采用其标志性色调This texture pack changes the in-game undead totem to a Hatsune NERU-themed style, using her signature color scheme.
Trillion O Trees
An overworld mod adding many more tree types and forests... some added structures too
Biome Shift
Ever wanted to change the biome in spots of your world? Now you can with Biome Shift!
ExtraNature
Explore the new updated environments
awesome birch forests
it's awesome because it's a cooler green

Podded Jungle Leaves
Leavesly jungle leaves with cocoa pods.
Recounted
Survival friendly Resource Pack inspired by the Biome Vote and Mob Vote videos. Early work in progress.
Jungle Sunrise Panorama
A custom main-menu panorama depicting a jungle sunrise
Snow Under Trees (Datapack)
Adds snow under trees in snowy biomes as a Datapack
Pale Birch leaves
A refined rework of birch leaves with enhanced detail and color balance, providing a cleaner and crisper aesthetic to your birch forests.
Expanded Nature
The core extension mod for plants, bushes and more!
Foxxys Fixed Saplings
Alters the drop rates of Jungle, Pale oak and Dark Oak saplings
The Blood Forest Visual assets
This is just a resource pack for visuals from the blood forest for backgrounds and the main menu.
Fine 3D Doors
3D models for both Vanilla Doors and Nature's Spirit Doors, with doorknobs and hings. More Modded Doors COMING SOON!
Does It Go Meow?
A mod that adds new mobs, plants, biomes, and a bunch of cool nature stuff to all three dimensions! (Also, it has cute creatures :D)
Frozen Flowers
Gives flowers frozen variants in snowy biomes.
Colorfull Biomes
This datapack adds a collection of colorful biomes, for creative worlds or builders! Applicable with the /fillbiome vanilla command and compatible with world Edit.
Biome Tinted Chipped Mossy Blocks
Makes the mossy cobblestone and mossy stone brick blocks from Chipped use biome tint