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Minecraft Java 1.21 Mods

Browse 130 free mods for Minecraft Java 1.21 — popular picks include Survival island, Reliable Replacer, Biome Blends.

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130 mods

1.21.1fabric

Survival island

Try to survive in a world made up of islands!

1.8Mdownloads

1.21.1neoforge

Reliable Replacer

A lightweight utility for replacing one block with another, both during worldgen and afterward.

611kdownloads

1.20.1fabric

Biome Blends

Change biomes in survival using Biome Blends! Full Data Pack support!

425kdownloads

1.21.8neoforge

Mushroom Survival House

Adds a simple Mushroom house, perfect for the start off the game

82kdownloads

1.21.9neoforge

TimberReplant(Fabric/Forge/NeoForge)

Automatically fell entire trees and replant saplings with one block break! Sustainable forestry made easy with configurable settings and proper tool durability.

82kdownloads

1.20.2forge

Hydrological (Overworld Terrain & Biomes)

Overworld biome and terrain fantasy-style worldgen mod.

71kdownloads

1.21.8fabric

Taiga Survival House

Adds a simple Taiga House, perfect for the start of the game

53kdownloads

1.21.1neoforge

Dimension Expansion

Designed for 1.21.1, add new dimensions to your modpack with teleporter blocks and fun new features. Deep Beneath, Mining Dim and Stoneblock. More to come!

48kdownloads

1.21.11neoforge

Forest Survival Treehouse

Adds a small forest treehouse, ideal for early game survival

25kdownloads

1.20.1forge

Monumental Experience - Creatures Across the World

Monumental Experience V: Creatures Across the World expands the series with Cobblemon and Aether integration, living biomes, and exploration-driven progression—creating a survival world focused on discovery and long-term building.

20kdownloads

1.21.11forge

Realism Mod Reborn

A Vanilla+ survival expansion featuring crops, food production, gemstones, and immersive resources.

20kdownloads

1.21.8neoforge

Pumpkin Survival House

Adds a Pumpkin Survival House, a small and cozy starter home built inside a giant pumpkin.

14kdownloads

1.21.8fabric

Sky Void SkyBlock

Classic SkyBlock with infinite void generation. The biome map and structure bounding boxes match up with a normal world with the same seed!

14kdownloads

1.21.1neoforge

Slime Dragon - Dragon Survival Addon

■ Dragon Survival Addon ■ Slime Dragon is a subspecies of the Forest Dragon that abandoned its carnivorous plants and entered into a symbiosis with various kinds of slimes.

13kdownloads

1.21.11neoforge

Bamboo Jungle Survival House

Adds a small bamboo jungle house, ideal for early game survival

7.6kdownloads

1.21.1neoforge

Over the Sky | Floating Islands, Mobs and Many Secrets!

Survive in a world made up entirely of floating islands! Discover all the secrets, mobs, and hidden biomes.

6.0kdownloads

1.21neoforge

Void One Block

A world type that turns Minecraft into a true void survival experience — while keeping progression, structures, biomes, and mod compatibility intact.

5.8kdownloads

1.21.1neoforge

Pixelmon Wild Realms

Explore a vibrant world of wild biomes, magical ruins, and epic adventures. Catch, train, and battle in a beautifully enhanced Pixelmon survival experience full of exploration and discovery.

5.0kdownloads

1.21.9

Biome Powder: Paint Biomes

Change Biomes in your Builds to make them Extra Special! Survival-Friendly & for Creative. Modify Foliage & Grass colors into all 16 vanilla colors.

4.7kdownloads

1.21.1neoforge

Radiach

This hardcore mod adds radiation to all biomes. From the very beginning the player will be accompanied by radiation

4.6kdownloads

1.21.4fabric

StarSky Shaders

A shader pack with fast shaders, new structures, new biomes, and way more!!!

4.2kdownloads

1.21.8

Sky Void SkyBlock [Data Pack]

Classic SkyBlock with infinite void generation. The biome map and structure bounding boxes match up with a normal world with the same seed!

3.6kdownloads

1.21.11neoforge

Vaseria Travelnes

One of the best survival and fun mods with new ores and features!

2.8kdownloads

1.21.1neoforge

Cobblemon Biome

A little mod to create an Overworld Dimension. Usefull to my skyblock modded modpack for hunt cobblemon.

2.8kdownloads

1.21

SkyBlock Terralith Compat

Explore Terralith biomes in a void world! This pack adds compatibility between the SkyBlock and Terralith Datapacks.

2.7kdownloads

1.21.1fabric

[ASW] Adaptive Skin Weathering

Adaptive Skin Weathering a client-server visual mod for RP/hardcore/Vanilla+ servers. It dynamically applies dirt, sand, stone dust, snow, and blood to player skins based on movement, surface, damage, and biome

2.7kdownloads

1.21

Blue Cobs

A simple smooth blue cobs texture pack thats used for PvP, YouTube Recordings, Live Streaming on platforms such as YouTube or Twitch, playing on your survival world and being able to see cobwebs properly despite it being snowy or in a snow biome .

2.6kdownloads

1.21

SkyBlock Nullscape Compat

Explore Nullscape biomes in a void world! This pack adds compatibility between the SkyBlock and Nullscape Datapacks.

2.3kdownloads

1.21.1fabric

Cobble Dragon

CobbleDragon is a Cobblemon 1.21.1 server that blends Pokémon adventure with classic Minecraft survival. Players can battle gyms, explore diverse biomes, build custom bases, and catch legendary Pokémon. With additional mods for enhanced gameplay, CobbleDra

1.9kdownloads

1.21.1neoforge

Survival Not Guaranteed

Dive into an expansive Minecraft modpack that blends challenging survival mechanics like temperature and thirst with extensive exploration of overhauled dungeons and new biomes, all while offering dynamic combat, magical mastery, and complex automation.

1.8kdownloads

1.21.1fabric

Sen's additions

Enhance Minecraft with stunning biomes, creative building blocks, survival depth, and performance that runs 350+ mods smoothly. Beautiful visuals, improved structures, voice chat, custom quests, and an official server await.

1.4kdownloads