Minecraft Java 1.21 Mods
Browse 617 free mods for Minecraft Java 1.21 — popular picks include Shizophrenia, Lafiński tuffiński (lafless), NaturalMobs.
Updated daily
Shizophrenia
Makes you question everything.
Lafiński tuffiński (lafless)
Adds lafless the youtuber to the game!!!
NaturalMobs
deletes monsters and makes mobs more natural
Pesky Vexes
Datapack that makes vexes not die after 5 min when named preserve
Weird_Update
This mod is Intense and weird...

The World Of Bob
A silly mod themed around a new mod named bob, that adds bob versions of Minecraft mobs and even a bob dimension!
TougherThanLlamas
The modern reincarnation of the hardest mod ever created for Minecraft

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
Random Stuff (W.I.P)
this mod adds a lot of random stuff
Summon-Shaped Recipes
Craft the spawn eggs of the iron golem, snow golem, copper golem, and wither.
SyEnhancedMonster
A Paper/Purpur plugin for enhancing monster difficulty on Minecraft 1.21.x servers.
MonsterScaler
MonsterScaler adds dynamic difficulty to your server! Monsters level up based on time/distance, gaining boosted stats, enchanted gear, unique debuffs, and triggering server-wide events like Blood Moons and Invasions.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
TESTIFICATE Villagers
Brings back Minecraft Old Beta's TESTIFICATE Villagers, recreated by DandiMC.
simulator infection epidemic crisis
apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.
Kill or die
A recreation of the datapack used in NewKiddo’s “Kill or die” series

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Stev's Halloween Mod
Adds a bit of Halloween spirit to Minecraft with autumn colors, spooky mobs, festive food items, and more!
Bob's Datapack
This datapack is basically a few weird addons that I added to minecraft while I was sick and off my meds. It adds (semi) realistic injuries for players and mobs and a few other things.
Overlord_guardian
want more difficulty? more mobs? this datapack has it all plus a designated guardian that can be every mob!
Mahan's Mod
This Mod is a Random Mod Of What My World Will look like.
BoomPhantoms
Just a phantom… until it explodes 💥
Wet
Give entities fire resistance for 5 sec when standing in water or rain.

The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
Mobs Devolve
Mobs devolve into weaker mobs when killed, with trigger function to change multiplier.
Survival+
Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!
Damage Dummys
Adds Damage Dummys for each tier of armor that display how much damage was delt to them
Rotten Apples
This Datapack Adds Rotten Apples to Minecraft, When you eat one near a mob with a Zombie Variant it Zombifys
hEndermanFix
Automatic Enderman targeting fix for Paper servers that keeps Endermen focused on nearby Endermites with configurable radius, AI options and lightweight tracking.
Revenge of the AXOLOTLS!
If you kill axolotl you die... I mean they are defenceless...
Only Jetpacks
This mod adds jetpacks that the player can use to fly around, as well as a new way to play the game where you can make it where every single mob in Minecraft has their own jetpack, creating a world of chaos.
mc is too ez
A survival difficulty mod that makes Minecraft harder, more punishing, and less forgiving.
Chaos Hunter
A chaotic Minecraft datapack that turns every mob kill into a randomized effect lottery.
Monster Rework
A datapack which reworks monsters and their spawning while also while also adding survival elements. All to make the game a more interesting experience.

Good'ol Weapons
ever wanted to just go skibidi doom or maybe turn your pets into iron well now you can!