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Minecraft Java 1.21 Mods

Browse 181 free mods for Minecraft Java 1.21 — popular picks include River Fishing, Loading Backgrounds - Animals, Blue Monster.

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River Fishing
1.21.1neoforge

River Fishing

A deep, realistic river & ice-fishing simulator where real tackle, seasons, weather, and a living fish population turn every cast into a decision.

8.8kdownloads
Loading Backgrounds - Animals
1.21

Loading Backgrounds - Animals

Custom loading backgrounds with Animals!

8.2kdownloads
Blue Monster
1.9

Blue Monster

Blue Monster Texture Pack 1.9 - 1.21+

6.7kdownloads
Naturalis - Realistic Remorphed
1.21.1neoforge

Naturalis - Realistic Remorphed

RP Survival morph progression for ReMorphed: Knowledge XP, instincts, Resonance bonding, Humanity, and body-specific mechanics.

5.2kdownloads
Create Aeronautics: Weight
1.21.1neoforge

Create Aeronautics: Weight

Add realistic Sable-based physics to players, mobs, inventory, containers, armor and else!

5.1kdownloads
Zombie Horror Shader
1.17

Zombie Horror Shader

A desaturated, horror-themed shader pack for OptiFine and Iris. Features atmospheric film-grain night lighting and automatically makes the eyes of zombies, creepers, and animals glow blood-red without needing external resource packs.

5.1kdownloads
Biome Plus
1.20.1forge

Biome Plus

Biome Plus enriches Minecraft with more vibrant biomes. Discover the Birch Forest Plus, featuring lusher vegetation and vanilla animals! Perfect for those looking for a more immersive, realistic exploration experience.

5.0kdownloads
Contour Shaders
1.16.5

Contour Shaders

This Minecraft Shader Adds Custom Outlines to Every Mob!

4.8kdownloads
Realistic Tornado Disasters
1.21.1neoforge

Realistic Tornado Disasters

Adds destructive, tiered F1-F5 tornadoes with realistic physics, volumetric rendering, and debris interaction to your world.

4.5kdownloads
Goat Horn Trumpet
1.21.4

Goat Horn Trumpet

Replaces the goat horn texture with a realistic brass trumpet.

4.1kdownloads
Yaranaika Mobs Pack!! | HD Reborn!!
1.21

Yaranaika Mobs Pack!! | HD Reborn!!

The "Yaranaika Mobs" texture pack for Minecraft transforms mobs' faces into fun "Yaranaika" expressions, adding humor to the game.

3.7kdownloads
PVP_PLAYER_BOT
1.21.3fabric

PVP_PLAYER_BOT

“COMBACT Mod adds intelligent AI combat bots with realistic player-like behavior. Bots dodge, use totems and food strategically, retreat at low health, and have customizable difficulty tiers — perfect for honing Minecraft COMBACT skills.”

3.7kdownloads
Lanostry's monsters
1.21

Lanostry's monsters

Monsters are now cooler and more diverse!

3.2kdownloads
Glazed
1.21.11

Glazed

Glazed transforms Minecraft with a sleek, glossy finish that makes blocks, mobs, and environments look smooth, polished, and reflective. The world feels brighter, cleaner, and more vibrant—like everything has been coated in a subtle, glassy shine.

3.2kdownloads
Ignited
1.21.5

Ignited

Realistic fire mechanics

2.9kdownloads
A Minecraft Movie Mobs
1.20.1

A Minecraft Movie Mobs

Changes the appearance of some mobs to look like they're form the movie

2.9kdownloads
Zenith PvP
1.21.11

Zenith PvP

A smooth, FPS-boosted PvP texture pack featuring clean swords, animated 3D totems, and lag-free visuals for competitive players.

2.8kdownloads
Majestic mobs
1.17.1

Majestic mobs

New realistic models

2.6kdownloads
Simple Physic
1.21.11fabric

Simple Physic

Simple Physic brings realistic item physics, ragdoll effects, and smooth first-person animations to Minecraft. Powered by Fabric, it mixes chaos and fun with great performance — watch mobs fly, items tumble, and explosions come alive!

2.4kdownloads
Bubble Planet Collection
1.21

Bubble Planet Collection

Will replace mobs with alternative versions of @Bubble_Planet0. 🌎

2.3kdownloads
RealisticSeasons
1.20

RealisticSeasons

Premium multi-world seasons plugin with biome-aware weather, persistent temperature preferences, crops, mobs, and immersive effects.

2.2kdownloads
Lanostry's monsters x Fresh animations
1.21

Lanostry's monsters x Fresh animations

Fresh animations compat with Lanostry monsters

2.2kdownloads
Monster Totem 512x
1.21.6

Monster Totem 512x

This resource pack changes the totem of undying texture to the White monster can.

2.2kdownloads
Survival Reimagined (NeoForge)
1.21.1neoforge

Survival Reimagined (NeoForge)

A Minecraft Mod with the goal of making Minecraft harder with a more realistic approach at progression

2.0kdownloads
MoBG's HD Texture Pack
1.21.8

MoBG's HD Texture Pack

A unique texture pack with custom visuals for a fresh Minecraft experience

2.0kdownloads
I Wear Sunglasses at Night
1.21.8

I Wear Sunglasses at Night

Adds sunglasses to every mob in minecraft.

2.0kdownloads
Realistic Terrain Movement
1.21.1neoforge

Realistic Terrain Movement

Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.

1.7kdownloads
Variated Bucket of Axolotl (Prime's HD Textures)
1.17

Variated Bucket of Axolotl (Prime's HD Textures)

Add-on that changes the Bucket Of Axolotl item texture to match the type of axolotl inside! Great for sorting while axolotl breeding or just keeping track of your pets.

1.6kdownloads
NewSeasons
1.21

NewSeasons

Realistic seasons with temperature, weather, crops, mobs, calendar, and visual effects.

1.5kdownloads
clear gui for minecraft
1.14

clear gui for minecraft

fear mobs sneaking up on you? not a problem with clear Gui

1.5kdownloads
Realistic Wildlife
1.21fabric

Realistic Wildlife

Real ecosystems for Minecraft. Wolves pack-hunt, sheep alert their herd, foxes stalk at night, and populations balance naturally

1.5kdownloads
Toni's 3D Pink Petals & Wildflowers
1.20.2

Toni's 3D Pink Petals & Wildflowers

3D model for Pink Petals and Wildflowers

1.4kdownloads
Realistic Mob Damage
1.20

Realistic Mob Damage

Makes Mobs Die better! For example an enderman gets his arm cut off!

1.4kdownloads
Realistic Fishing
1.21

Realistic Fishing

Reel in live fish!

1.4kdownloads
NeoGuanNiao
1.21.1neoforge

NeoGuanNiao

Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.

1.2kdownloads
Classic Farm Animals
1.21.5

Classic Farm Animals

TIRED OF [Temperature-Based Livestock]? Restore the classic cows, pigs, chickens, eggs, (and more) from [[before]] 26.1!!!

997downloads