Minecraft Java 1.21 Mods
Browse 2,251 free mods for Minecraft Java 1.21 — popular picks include Brutal Nightmare : Insane Difficult, Item Components, Too Much XP (TME).
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Brutal Nightmare : Insane Difficult
Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.
Item Components
Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
Infinite Night Vision
This datapack adds infinite night vision to all players in the given world.
The Broken Script: BLACKOUT
An extension of TBS, a slow burn mod that tries to make you feel like you're part of an ARG
FeatherMorph
Yet another disguise plugin. Disguise as mobs and players, then acquire unique skills and abilities!

Wind Boost Enchantment
Allows one to Enchant the Harness with a Custom Enchant to make Happy Ghasts Faster
Stupid Express
More roles for the Harpy Express modpack / Wathe mod that miiiiight be a little dumb but it's okay!
Unbound Fov
Do you want to be unbound and play with 134° FoV or play upside down? With this Mod you can.
Bliss SMP plugin (BlissGems)
BlissGems is a Minecraft plugin that adds a unique gem system where players equip magical gems in their offhand to gain passive abilities and activate powerful skills. There are 8 of the gem types (Astra, Fire, Flux, Life, Puff, Speed, Strength, Wealth)
I Know What I'm Doing!
A simple mod to disable the pesky prompt that appears when loading into a world using experimental features Will not be updated
Potion Combiner
Now you can combine several potions into one, merging all their effects into a single brew.
beyond_the_skybox
A broken story full of broken truths. A story of a treacherous tragedy displayed and shown in the form of dimensions and events. Something happened, that was never meant to be. Breach the sky, Breach the truth.
Sleepless
A gameplay-changing horror datapack for Minecraft 1.20.1-1.21 Inspired by TheLibrarianYT
Compatible Protection Enchantments
Makes all the protection enchantments (protection, blast protection, fire protection and projectile protection) compatible with each other.
Craftable Capes
Craft and wear any cape you want!
Kiss a Friend!
Ever wanted to kiss your friends in Minecraft? Now you can!
Bucketable
Put any mob into a bucket! Completely customizable!
Player Chains
Try and beat Minecraft chained together!
ExcellentEnchants
A lightweight and modern enchantments plugin that adds 80+ vanilla-like, fully customizable enchantments.
Compatible Sword Enchantments
Makes sharpness, smite and bane of arthropods compatible with each other.
WearThat
Why shouldn't you be able to wear that?
Cobblemon Fossil Hybrids!
A addon that lets you create your own cobblemon hybrids!
Diamond In The Rough
Renewable diamonds in the end.

Unoriginal
A simple datapack that removes all base origins added by the Origins mod
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Happy ghast and ghast origins
Adds happy ghast and normal ghast origin to the origins mod
DreamMasaAddition
An add-on mod for Masa's mods, Tweakeroo, etc.
The Broken Script: Additions
An addon mod for TBS (Currently a beta), adding various new events, entities, and more paranoia. Let's play a game, shall we?
Spice of Life: Discovery
Spice of Life inspired mod to encourage new food discovery!
Auto MLG
Automatically MLG when holding water or powder snow! Easy and interactive toggle menu included! Now with an optional Auto Mace MLG!
Ruined Ghasts
Knarfy Ruined Minecraft Live (Spring 2025) and this is the result...
Dragon Movement Fix
Fixes the old bug introduced in 1.14 where the Ender Dragon's Vertical Movement is very slow. Effectively patches out one-cycling. If you've fought the dragon in 1.12 or 1.13 you might know what this is.
SeeU
Makes distant players visible far beyond vanilla entity tracking, Compatible with Voxy and Distant Horizons
No Build Limit
Increased build height limit! Build from -64 to +2032
Craft Enchanted Golden Apple
Makes enchanted golden apples craftable