Minecraft Java 1.21 Mods
Browse 440 free mods for Minecraft Java 1.21 — popular picks include ReniDrags Molten Mayhem!, World Expansion, Spontaneous-Replace: Cobwebbed.
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ReniDrags Molten Mayhem!
Explore the new biome that brings dungeons, dimensions, a custom boss, cool new custom items and of new tools!! Get on this mod baby!! Its super duper cool (source trust me bro)
World Expansion
This mod upgraded vanilla biomes and adds new ones for a more interesting journey around the world! Update 1.0.0 - Savanna and Dark Forest
Spontaneous-Replace: Cobwebbed
A Spontaneous-Replace expansion that adds various spider variants and exclusive biomes.
Stony Peaks Foliage Everywhere!
Changes the Foliage colormap so it always matches the Stony Peaks biome color – Part of the "Oh My Colormap!" collection.
Verdant Haven
Verdant Haven is a peaceful cozy modpack focused on farming, building, and exploration. Build your dream homestead, grow beautiful gardens, decorate with hundreds of new blocks, and peacefully explore lush new biomes. The perfect relaxing escape
Jack Black (Steve) Zetterstrand Painting
Custom Painting based off of Zetterstrand's (the Minecraft iconic painting artist) painting of Jack Black in his signature style! Fits in perfectly with vanilla.

Retinted: Nature's Spirit Waters
Retints Waters of Nature's Spirit biomes. (REQUIRES POLYTONE MOD) Part of the Retinted resource packs series.
Distant Lands
Discover immersive biomes inspired by Brazilian flora, 500+ blocks, Carpenter Table, Hollow Logs, and Crawl for hidden adventures!
Strange Plants 2
A mod that adds a bunch of new plants in the Minecraft world that are more than just decorations, they can be turned into dyes, foods, or even weapons. It also adds new Plant/Garden themed blocks.

Simply Fall
This texture pack adds new textures to some nature blocks to make it look like its fall
Explorerflotte Create
A fabric based modpack focused on Create, Modern Industrialization, Botania and Applied Energistics with a lot of decorative options. Using Mods like Oh the Biomes, MCA and Phillipps Ruins/CTOV makes the world more interesting.
RoseBackport
Adds rare classic red and blue roses to specific biomes in your world!
Modrinth Loading Colors
Brings Modrinth's signature colors to the Minecraft Resource Pack/Start-Up loading screen.
LuluLand Cozy Cottage
The ultimate aesthetic collection for cozy souls. Featuring soft visuals, immersive furniture, and whimsical nature enhancements. Experience Minecraft at a slower pace: farm, decorate, and explore a world designed to be as beautiful as it is peaceful. 🎀✨
Veil of Vines
A nature and magic mod that adds dozens of unique vine species. Harvest flowers to craft potpourri that repels hostile mobs, and adorn your builds with new decorative blocks. Explore, build, and survive with the power of plants!
Spontaneous-Replace: Terriforest
A Spontaneous-Replace expansion that adds various exotic trees and bizarre biomes.
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Autumnal Birch Forest (Programmer Art)
Brings the colors and feelings of autumn to birch forests in the style of Programmer Art :3
Biome Modifier for Fabric
A library mod that allows users utilize datapacks to modify biomes easily and compatibly.
Nature Expanded
Upgrades almost all of nature in Minecraft to be completely overhauled with over 30 features!
Procedural Trees
This allows a builder to create a forest with custom trees in seconds by spawning a spawn egg, each tree different from one another.
Voxel1's Better Nether Forests
Improves The Nether Forests

White Pumpkin
Makes pumpkins white when placed in the Pale Garden biome. Rotten Pumpkins also naturally spawn.
Biomes o' Plenty 3D Doors and Trapdoors
Compatibility patch for Biomes o' Plenty and Vanilla Tweaks 3D doors and trapdoors.
Jungle Update
Mod has been merged! - https://modrinth.com/mod/jaizmod This is to keep the work load down for myself, and keep updates coming! Adds new jungle related features
Vein
Adds many features like new items, blocks, mobs and biomes
OraxenNature
OraxenNature introduces a simple way to populate your world with your Oraxen blocks.
Panorama mountain biome by Beluimem
Minecraft panorama mountain biome
EBFsmp
The mod includes new biomes, decorations, tools and armor.
Canopy
Adds rainforests to Minecraft including 3 new biomes, rainforest mobs and more!
Desolate Pale Garden
A datapack which removes all hostile mob spawns in the Pale Garden except the Creaking, which adds to the ambiance of the biome!
New Big Trees
The trees will generate vanilla wooden blocks as trunk, and the chance of sapling dropping is 0.5%, whether jungle or orhers.
Arts & Crafts x Nature's Spirit
This mod adds integration features for Arts & Crafts and Nature's Spirit for a smooth gameplay experience!
Icyclo
A datapack that adds fully functional Icicles which you can find in cold biomes across the world.
Puris Eco Ocean
This is a passion project from zi_jian. It adds 10 brand-new ocean biomes, 29 new entities, along with corresponding items, materials and decorative blocks. I'm still a beginner mod developer, so feel free to report any bugs you encounter.
Skybounds
Start adventuring in our new biomes and mine our new ores so you can conquer the sky