Minecraft Java 1.21 Mods
Browse 372 free mods for Minecraft Java 1.21 — popular picks include Eyes in the Dark, Alternative Zombified Piglins, Basic Reach.
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Eyes in the Dark
Resource Pack that makes all mob eyes glow in the dark
Alternative Zombified Piglins
Makes Zombified Piglins and Zoglins green to match other zombie mobs.
Basic Reach
Basic Reach is a compact singleplayer-focused utility mod that adds a straightforward Reach enchantment (I–II) Reach increases both your melee hit distance and block interaction range letting you poke mobs from afar.
Connected Softer Wool
Makes wool and carpets connected!
Tom's Biome Mobs
Biome specific textures for almost all Mobs
Monster Energy Can Potions
Replaces potions with Monster cans.
Halloween Tweaks
Small and minor halloween-related tweaks to make your game spookier!

PaperTweaks
A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.
Clean Mob Spawners
Makes the mob spawners much clean. Have two styles.
GoofyMobs
Makes Minecraft mobs look more goofy
Saddle Bags
Changes the chest texture on Mules, Donkeys, and Llamas to something more realistic and actually fits with the mobs.
Quiet Farm Animals
Makes all farm animals/mobs (cows, chickens, pigs and sheep) 50% quieter!
Nice Rabbit Tweaks
Small yet useful additions to Rabbits.
Red Cpvp 16x pack
Red CPvP Pack is a clean, competitive resource pack designed for Crystal PvP. It features a polished red-themed style, optimized textures, and clear visuals for smooth gameplay and better combat visibility.
Frogman
What if the frogs were not frogs nor man? With this pack you can turn your beautiful frogs and tadpoles into ugly disgusting creatures that should have never seen the light of day.
Hero’s Trial
Minecraft: Hardcore! Survive with Xaero’s Minimap and Just Enough Items. But be warned: this world is unforgiving. The creatures are dangerous. Do you have what it takes to survive the onslaught?
Highland Cow
A remodel of Minecraft's cow mob.
Peace & Quieter
A sound-focused resource pack that reduces loud, repetitive, and annoying Minecraft entity and ambient sounds.
Vanilla Enhanced Beds
Change beds to add them detail with little pixel arts of different minecraft mobs!
oSzoukaua's: Carpet Thickness
Changes the thickness of carpet like blocks!
SFX for Gray's Villager Overhaul
Adds animal-like Villager Voices for Gray's Villagers
DUziCraft - BabyMobs
Improve the look of the classic minecraft babies!
Moberhaul
Mobs overhauled... if the name wasn't self explanatory enough lol
Withering AI Tweaks
Allows Withering Heights to work with Mob AI Tweaks' Wither rework
Refined Animals
Remodels classic animals to fit-in of Minecraft's modern artstyle!
VL+
VL+ Differentiates many things on the Ventureland Minecraft RPG server to make things easier to spot and ups the quality of running around exploring the world by changing some mobs textures using RET(ETF)
Denis' Mightier Mobs
A small collection of various biome adapting mob resource packs
Minecraft Remade
Tweaks Minecraft. Keeps in balanced.
Nice Bat Tweaks
Tweaks and changes to make Bats more interesting.
Tweaked Frogs
Adds very small tweaks to frogs
Happy Ghast Tweaks
Add some useful vanilla frendly tweaks to the Minecraft happy ghast.
Limee Pack
A texture pack focused on a stylized vanilla, but still giving a different touch to the appearance of the game with items, mobs and gui.
Nice Pig Tweaks
Some nice additions to Pigs.

Fenn's Squid
With all the animals getting new textures i felt the squid deserved one too! So heres my take on a retextured Squid!

Pre-26.1 Mob Sounds
Replaces the modern baby and adult mob sounds with the classic Pre-26.1 mob sounds
[HMI] Spawn Egg Animations
This Minecraft resource pack adds unique custom animations to all spawn eggs, making each one feel more alive and visually distinct. It enhances immersion and makes spawning mobs more dynamic and engaging