Minecraft Java 1.21 Mods
Browse 12,305 free mods for Minecraft Java 1.21 — popular picks include Mob Tag Fixes, Pattern Texture Pack, Undefeatables.
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Mob Tag Fixes
Adds modded mobs to the vanilla entity type tags they belong in, so Smite, raids, and Bane of Arthropods work on them.
Pattern Texture Pack
Decorate your world with this bright and colorful texture pack filled with beautiful patterns and knitted animals! A port from Legacy Console Edition.
Undefeatables
Adds mini-bosses to your minecraft experience.
Identity Fix (Morph) - NEW LOGO
Fixed Identity (Morph) for Forge and Fabric and NeoForge
Impillagers
A total swamp overhaul mod with many new (and very quirky) residents to discover.
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
Toybox
Adds a toy/soft-play/party themed dimension, with many places to explore and a boss to fight
Bagel's Animal Tweaks
Tweaks the Textures and Models of some of the classic animals.
Villager Leads
Use Leads on Villagers
Giantess Toki & more
This mod added Giantess anime girls that spawn in as part of the village raid and attack players and villagers
Mob Journal
Records newly discovered mobs into your journal!
FTB Quests Entity Visualization
Adds entity visualization to FTB Quests
Animal Garden - Manatee
This mod adds the gentle giant the manatee(sea cow) into the game.
Cobblemon Legendary Lake Guardians
Adds 3 legendary lake guardians to natural spawn
Unlimited Trading
Lets you trade infinitely without waiting for villagers or wandering traders to restock and prevents trades from locking.
Help Wanted (Forge and Fabric)
Attract villagers looking for work
Civillis
Build more, spawn less. Hostile mobs naturally avoid civilized areas.
Wings Of Fire!
Ever Wanted to ride a Phoenix? Now you can! Find 6 different phoenix eggs around your world and treat them to hatch your new mount!
Pam's HarvestCraft 2 - Fantasy
Add-on for PHC2-Food Core for more than a dozen monster-based foods with more coming soon!
Animal Garden - Common Raven
This mod adds the Common Raven as a mob to your world.
Curtain
A Forge mod like fabric-carpet
Wind's Spellbooks : Iron's Spells 'n Spellbooks Addon
Add a brand new "Wind" school to irons spells n spellbooks

Spawned Eggs
Replaces spawn egg textures with blocky mob icons.
Mobs Refreshed
Classic Mobs with a Refreshed Take!
Eldritch Anomalies
Eldritch mob support for other mods + Add new abilities
SIHYWTCAMD
So I Heard You Were Talking Crap About Minecraft Difficulty? Basically a hostile mob update
Ghost
Adds little ghosts to Minecraft :D
Knightllagers
Guard Villagers but Epic!
SDM Mob Stages
Allows you to limit the appearance of creatures through a step-by-step progression

CravenCraft's Bloody Bits
A mod to bring semi-realistic blood spatters to Minecraft
Grim Kingdoms: Lost structures & ruins
Adds Castles - Unique vanilla mobs/ hidden items
YDM's Iceologer
Add iceologer from mobvote 2020
Animal Garden - Sea Otter
Adds tamable Sea Otter into the game, that will fight and protect you.
Find me
Find Me is a mod for storing, summoning, and managing creatures and vehicles.
RideablePolarBears
This mod allows you to tame, breed and ride polar bears
Danny's AOT
Attack on Titan mod with titan shifting, advanced ODM mechanics and much more