Minecraft Java 1.21 Mods
Browse 3,634 free mods for Minecraft Java 1.21 — popular picks include Extended Gamerules, Wound & Bleeding, Grimoire.
Updated daily

Extended Gamerules
Finely tuned vanilla gamerules. Split overloaded gamerules like `mob_griefing` into groups of rules
Wound & Bleeding
Wound & Bleeding adds a realistic injury system where players and mobs can bleed from combat, losing health over time unless treated with craftable bandages. It enhances tactical gameplay in PvP and survival by making every hit potentially deadly.
Grimoire
There are brand new mobs such as the dryad, siren and doll. while also introducing new recipes and achievements.
DynaMobs
"Dynamic mob scaling based on player gear — fully customizable."
Bedrock Tridents
This plugin brings Bedrock's functionality to Java of damaging all mobs in water or rain with a Trident that has the Impaling enchantment.
Skeleton Bow Chance
SkeletonBowChance is a simple mod that adds a configurable chance for skeletons to spawn with bows
Solid Entity Hitboxes
This server-side mod makes certain entity hitboxes solid
Useful Mobs variants
Makes new mob variants more useful and interesting - New loot tables for mobs - New loot drop from mobs - (In future) new game mechanics that will make new loot more valuable
Golems of Qin Shi
Golems of Qin Shi (GolemsOQS) brings your Copper Golem to life as a loyal, practical little companion that actually helps.
MobIgnore
Allows players to disable mob aggression towards themselves.
ChargedCreepers
Turns creepers into charged ones.
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'!"
Living World: Seasons & Ecology
Living World: Seasons & Ecology dynamically simulates Minecraft’s environment with changing seasons, ecosystem regeneration, and responsive wildlife behavior. Player actions directly impact the world, affecting resource regrowth, animal activity
Chickens do FLY
Chicken do fly! Allows you to glide down with chickens
Ranold's Better Squids
Improves Minecraft squids!
NoPatrolSpawning
Prevents pillager patrols from spawning
Timothaty's Trinkets
Adds brand-new trinkets to wear and unique mechanics to discover.
Better Pillager Patrols
Configure all pillager patrol spawn parameters!
Chaosdrachen
Adds characters from the Chaosdragons.
Hired Workers
An easy way to contract working villagers.
Usefuller Ghasts!
Configure the speed of happy ghasts (up to double speed) and craft an exotic new item that makes your happy ghast shoot fireballs!
HappyGhastEnhanced
HappyGhastEnhanced is a lightweight plugin that enhances the Ghast riding experience by providing configurable flight speed controls. Players can enjoy smooth flight at normal speed and activate speed boosts by holding specific items!
Origins: Slimeling
Origin datapack that adds the Slimeling, an origin based on the Slime.
ZeeInfused
A competitive PvP plugin where kills reward you with permanent positive effects and deaths curse you with negative ones. Inspired by the Infuse SMP created by InfamousJJ and Dione
Ready Crossbow
Make the piglins and pillagers attack you directly. Who goes around with an unloaded crossbow? Any mob that uses a crossbow will just shoot you.
Say Goodbye to Wandering Trader│道別流浪商人
Now, when you hope for the next Wandering Trader, you don't have to kill the current Wandering Trader in a brutal way.│現在,當你期待著下一個流浪商人出現時,你不必以殘忍的方式殺死當前的流浪商人。
No Mobs Thank You
Prevents unwanted mobs from spawning via JSON presets and override lists.
Wither Skull Dupe
Wither skulls can be duped just like how armor trims can!
UltraRituals-Free
Offering altar system to summon bosses, free version
Bats and Wolves
A Minecraft Datapack about Vampires and Werewolves

Bats N' Berries
A very silly mod to make bats and glow berries more useful.
Player Carpet Extension
A complementary mod to the "Carpet Mod" that allows you to manage the player's inventory with an interface and activate the switcher between items so you can use multiple items from the inventory.
PeakSkills
A server-side RPG mod adding 16 skills with XP progression, permanent stat growth, collections, and a pet system — no client mod required.
Qa Zombie Enhance
A mod that simply enhances vanilla zombies.
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.
Black sun
The sun has turned into a black hole, so be careful when moving around the world and keep an eye on your pets.