Fabric Mods for Minecraft 1.21
Browse 3,403 free Fabric mods for Minecraft 1.21 — popular picks include Chaos Randomizer & Effects, Better Happy Ghast - Lite, Scarier Mobs.
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Chaos Randomizer & Effects
A Fabric mod that randomizes all block and mob drops, adds random potion effects to mining, and plays sound effects for rare loot. Balanced for survival gameplay!
Better Happy Ghast - Lite
Adds a toggleable "parked" state to the Happy Ghast. Use a Blaze Rod with a harnessed Happy Ghast to make it stay still or fly faster when mounted.
Scarier Mobs
Turn every other night into a blood moon with smarter, scarier mobs, custom stalking dwellers, and more dangerous survival encounters.

Blade Oil
Adds oils that can be applied to weapons, boosting damage against certain mobs
Dominatus : Refinement
Aim for more RPG like with RNG and improve a combat implementation Monster Crit System
Arrow Recovery
Lightweight and highly configurable Fabric mod that allows you to retrieve arrows from mobs after you kill them.
Genetically Modified Monsters
Adds genetically enhanced monsters with new powers, behaviors, and challenges to make survival more intense.
Zombie Horde Event + Kamikaze Anti Skybase Phantoms
A server side only fabric mod that that adds a horde event that happens every 7 ingame days.
Better Pets Mobs
A friendly and creature-focused modpack that adds new pets, companion mobs, tamable creatures, and improved animal behaviors. Perfect for players who love collecting, raising, and adventuring with unique companions.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Draconic Archer's Moon Bundle
Add-ons for Enhanced Celestials all bundled into one
AngelSkar Vanilla+
This is a modpack created to optimize the vanilla experience without adding any new blocks, mobs or anything, simply optimizing the game and adding simple Qol mods like Journeymap or Mousetweaks
Carpet Bot Restriction
Restricts players to only manipulating their own carpet bots
Toffifee!
Adds The candy Toffifee ( called Toffifay in other countrys )
Auto-Ignite
Auto Ignite is a mod that automatically ignites TNT and Creepers. Especially useful for practicing the Creeper PVP gamemode.
Illagers Attack Babies
Illagers now attack baby villagers. Because why not.
BloodyParticlesMod
Make every hit feel meaningful. Mobs splash thematic blood and impact particles when damaged different effects per mob, scaling with attack charge and critical hits.
Savaru's Worldology [Fabric/NeoForge]
Worldology redefines progression by transforming the world itself into a living system that grows, evolves, and responds to player actions.
Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
Slot Click Macros
A Minecraft Fabric mod that records and replays inventory click sequences to automate repetitive container interactions.
Passive Healing
Allows passive mobs to naturally regenerate health.
Clash Royale In Minecraft
This Is Flashz's Clash Royale In Minecraft Mod
Mob Spawner Tweaks
Fully configurable mob spawners for Fabric. Change spawn delay, spawn count, activation range, nearby mob cap, and more to tune farms and server balance.
Toggleable Rendering
Adds keybinds that toggle between rendering items or mobs, optimizing your game if you want to have long afk sessions in the background. Performance mod.
Baby Mob Paintings
Adds paintings of baby animals from update 26.1
Animal Pen
Who doesn't love making entities simple to collect?
Wild Wonders
A Beta mod that improves world generation and adventure!

Freight Ghast
Gives happy Ghasts the ability to hold chests.
Cursed ghasts
mod makes ghasts spawn in the overworld and changes their textures and sounds
PVP hitboxes
🗸 This mod changes vanilla hitboxes (F3+B) for PVP.
Relics of a Fallen
Defeat hostile and neutral mobs to collect powerful relics with unique abilities.

Sensible Sleepiness
A mod that adds further per-player customization for Phantom's behavior.
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
Antideath-Carpet-addition
Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio
No grief endermen
Endermen no longer pick up blocks, but they can still be agro'd
Chunk Challenge
Every chunk is a challenge. A glowing mob blocks your path until defeated, with per-player borders and progressive rewards.