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Minecraft Java 1.21 Mods

Browse 51 free mods for Minecraft Java 1.21 — popular picks include TerraBlender (Forge), TerraBlender (Fabric), AeroBlender.

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TerraBlender (Forge)
1.21.11forge

TerraBlender (Forge)

A library mod for adding biomes in a simple and compatible manner!

154Mdownloads
TerraBlender (Fabric)
1.21.11fabric

TerraBlender (Fabric)

A library mod for adding biomes in a simple and compatible manner!

37Mdownloads
AeroBlender
1.21.1neoforge

AeroBlender

AeroBlender is a library mod dependent on TerraBlender, for adding biomes in a simple and compatible manner with Aether's biome/terrain system.

25Mdownloads
TerraBlender (NeoForge)
1.21.11neoforge

TerraBlender (NeoForge)

A library mod for adding biomes in a simple and compatible manner!

25Mdownloads
Advanced Fishing
1.21.11neoforge

Advanced Fishing

This mod overhauls fishing with 49 new fish, biome-based catches, lava fishing, new enchantments and curses, custom potions, early-game tools like the Chum Bucket, and fully reworked fishing mechanics.

20Mdownloads
Elysium API
1.21.1neoforge

Elysium API

Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize

18Mdownloads
Oh The Trees You'll Grow
1.21.11neoforge

Oh The Trees You'll Grow

Tree library used by popular mods such as Oh The Biomes You'll Go.

7.0Mdownloads
Every Compat (Wood Good)
1.21.1neoforge

Every Compat (Wood Good)

Universal Wood Compat: Quark, Twilight Forest, Twigs, Another Furniture, Farmers Delight, Macaw's, Valhelsia, Architects Palette, Deco Blocks, Crayfish FM

6.3Mdownloads
Villager API
1.21.11neoforge

Villager API

An API to add custom villager professions and villager biome types with custom trades without writing code.

1.2Mdownloads
WorldWeaver: New Dawn
1.21.11fabric

WorldWeaver: New Dawn

An unofficially maintained continuation of the BetterX Team's utility library for Fabric and NeoForge, designed to streamline common modding tasks, especially those related to world generation

538kdownloads
BCLib: New Dawn
1.21.11fabric

BCLib: New Dawn

An unofficially maintained continuation of BCLib for Fabric and NeoForge, providing core utilities and shared functionality for BetterX mods

527kdownloads
Treeplacer
1.21.10neoforge

Treeplacer

Saplings can dynamically generate different trees, based on the biome they are grown in, declared in data files.

471kdownloads
Cobblemon Biome Expanded Spawns
1.21.1

Cobblemon Biome Expanded Spawns

A universal Cobblemon spawn datapack with exhaustive biome compatibility (vanilla + major biome mods) and curated presets for structures & underground.

134kdownloads
Ars Monde Lib
1.21.1neoforge

Ars Monde Lib

Content library for Ars Monde

75kdownloads
Villager Fletcher House
1.21.8fabric

Villager Fletcher House

Adds a villager fletcher house to the plains biome

50kdownloads
Villager Library
1.21.8neoforge

Villager Library

Adds a Villager Library to plains a forest biomes

38kdownloads
PixelGO - Information - Jade (for Pixelmon)
1.21.1neoforge

PixelGO - Information - Jade (for Pixelmon)

A mod that lets you view pokemon statistics (IV, EV, Nature, EVYield ...)

13kdownloads
Modified Biome Source
1.21.11neoforge

Modified Biome Source

Add modified biome sources that can be configured.

8.8kdownloads
Solstice Dynamic Seasons
1.20.1fabric

Solstice Dynamic Seasons

Experience a living world with Solstice: Dynamic Seasons, a 14-step seasonal simulation . Features realistic weather, shifting daylight, biome-aware snow, and custom crop growth. The ultimate Minecraft atmosphere!

6.8kdownloads
Biome Squisher
1.21.1fabric

Biome Squisher

A library mod for adding biomes by "squishing" other biomes out of the way

2.9kdownloads
Biomeless Music
1.21.9

Biomeless Music

Removes the biome dependency of most overworld and nether music.

1.3kdownloads
Horror Maximized Features
1.21.1neoforge

Horror Maximized Features

Extra features mod for the modpack Horror Maximum

1.2kdownloads
Biome Modifier for Fabric
1.21.2fabric

Biome Modifier for Fabric

A library mod that allows users utilize datapacks to modify biomes easily and compatibly.

1.1kdownloads
CaveLib
1.21.1neoforge

CaveLib

Library based on Alex's Caves

900downloads
Text Placeholder API Extras
1.21.9fabric

Text Placeholder API Extras

A few extra placeholders for Text Placeholder API such as advancement count and biome!

886downloads
Environmental Spells
1.21fabric

Environmental Spells

A biome-based magic system! Collect unique resources from different biomes to craft powerful spell books. Each spell has unique effects - from forest roots to the devastating Warden's scream!

639downloads
Minecraft Compendium
1.21.2

Minecraft Compendium

Uses advancements to log information for the player. Look at mobs with your spyglass to add them to your Mobestiary, and discover biomes and structures!

579downloads
better mob : jungle expansion
1.21.1neoforge

better mob : jungle expansion

Better Mob: Jungle Expansion transforms Minecraft jungles with animated creatures, dangerous predators, immersive wildlife, GeckoLib animations, tropical atmosphere, rare mobs, jungle structures, and realistic exploration adventures.

501downloads
Mansioneer
1.21.4neoforge

Mansioneer

Adds biome-specific variants for Woodland Mansions; easily expandable with data packs!

464downloads
Visual HUD
1.21.11fabric

Visual HUD

A clean, fully customizable client-side HUD overlay for Minecraft 1.21.11 Fabric — shows coordinates, FPS, biome, time, direction, light level, speed, day count, dimension, compass, and FPS sparkline with an in-game config screen.

445downloads
Trillion O Trees
1.21.1neoforge

Trillion O Trees

An overworld mod adding many more tree types and forests... some added structures too

288downloads
Biomes O' Cataclysms
1.21.1fabric

Biomes O' Cataclysms

This mod transforms Vanilla Minecraft into a challenge! One by one, all biomes will be destroyed, so try to complete the game before the end of the world!

283downloads
BL Screenshot Gallery [BLSG]
1.21.9fabric

BL Screenshot Gallery [BLSG]

A modern in-game screenshot gallery for Minecraft that automatically saves where, when, and what biome every screenshot was taken in, with a clean visual browser directly inside Minecraft.

254downloads
Regions Unexplored Biome Book Compat
1.21fabric

Regions Unexplored Biome Book Compat

This mod adds the regions unexplored biomes to the biome book mod.

251downloads
Music Selections: C418
1.16

Music Selections: C418

C418's classic soundtracks! No biome dependency! No post-nether update music!

225downloads
Aran's Discord Presence
1.21.11fabric

Aran's Discord Presence

A lightweight, customizable Discord Rich Presence mod for Fabric. Features a built-in settings menu to toggle Server IP, biomes, dimensions, and player heads on your Discord status.

178downloads