Minecraft Java 1.21 Mods
Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include The Fixed Script, Dragons Curse, KaizoMC.
Updated daily
The Fixed Script
Here I amn't.
Dragons Curse
Prevents players from accessing the outer End and using Elytra until they defeat the Ender Dragon.
KaizoMC
Making Minecraft extremely difficult while keeping the Vanilla feel
slip and slide
adds slipery, jumpy, speedy, slow, AND STICKY blocks. MADE IN MCREATOR
Flying Tree
Punch a tree to make it fly and drop as items.
Minecraft: Dark and Stark
A vanilla-style mod that makes Minecraft fell more alive, yet dead at the same time.

Endinator
Adds a tool called the endinator that when used teleports you to the end
die@random
A simple datapack that adds tension to the game by having a chance to randomly kill you!
Instant Win Button
Adds an instakill melee weapon... or so you thought.
Glowing Plugin
Glowing plugin where players glow every few minutes for exiting pvp mini games and die if they logout during the effect.
Defenestrate
Throw Blocks, Entities, and your Friends!
Last Time - Life Series Mod Addon
A life series addon that randomizes how many hours you have! 8-30 hours chosen randomly!
Garfeldi [Cobblemon]
Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.

Tnt Spawns Everytime You Touch Grass
Tnt Spawns Everytime You Touch Grass. Hard Challenge
Chefmakes' Custom Peaceful
This is a peaceful mod for people who might want more out of peaceful, not less
Uno Reverse Cow
"The ultimate 'no u' for Minecraft. Try to milk a cow, and she'll milk you instead. Get a custom bucket of 'YourName's Milk'!"
SoulLock
Trap player souls on death and revive them by placing their head. Perfect for survival, PvP, and co-op servers.
The Corrupted Past
He destroyed it all. He killed us all. He did this to us.
Shrinking World
A mod I made that shrinks the world over time from the outside in and the inside out...
Freeze Mobs on look
When You look at mobs they freeze
Constantly on Fire
You are constantly on fire.
Trip On String
Gives a chance of tripping when stepping onto a tripwire block.
Be Polite
Challenge-based Pacifist Nerd Mod that kills you for bad things🤓

Flaming Snowballs
Makes snowballs turn into small fireballs when on fire. Works with flame enchantment.
Axolotof Advancements
A little more advancements to spice up your day!
Row on Lava
Includes a new enchantment obtainable from the table/villagers/loot named "Fiery" which when equipped on boots can make players abled to row on lava in the nether making the journey easier.
Drone-Kamikaze
Plugin for a kamikaze strike drone
Robot Warden
Turns the Warden into a Scary Robot that is also kinda Funny?
NoCommandBlockNotify
Prevents command blocks from notifying when they perform commands
Chaotic Randomness
This mod messes with some math values and causes a lot of weird stuff to happen.
Someone's There
Occasional footsteps from somewhere nearby that shouldn't be there — always matching the ground you're actually standing on.
Green Elephant Cave Additions
Adds Green Elephant sounds to caves
Chaos X
A mod bringing 100+ random events to Minecraft. Every 60s, a new chaos affects all players at once. Features 4 languages, rare Omega Chaos, and custom timers for an unpredictable, epic survival challenge!
Temporally Controlled
Time lies in the palm of your hand
MCLabs Addons
A client-side mod for MCLabs that takes the information the server already tells you in chat and puts it where you can actually see it. (Lol)
SUX (sac's Utilities)
Small utilities via datapacking like common utility clients/mods but in a vanilla way