Data Packs for Minecraft Java
Browse 385 free data packs for Minecraft Java — popular picks include Spook and Fright, Solid Entity Hitboxes, BagTag.
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Spook and Fright
Just another halloween Themed Update!
Solid Entity Hitboxes
This server-side mod makes certain entity hitboxes solid
BagTag
One miscellaneous feature: drop wool to villagers to make them turn into owls!
Chicken Jockifier
A Minecraft Movie based data pack that turns adjacent baby zombies and chickens into chicken jockeys
Resin Drop
Some additions to the Winter Drop. Mostly resin items.
Project : Asylum
item asylum inspired wave defense minigame
FrostPunk [Ethernal Winter]
DataPack that adds eternal winter from FrostPunk, all life freezes before our eyes, huge resource shortages, all mobs die out
Better Spawn Eggs craft
This data pack adds the ability to craft spawn eggs and spawners
The Complete Advancement Multiplier
Every advancement you earn doubles your drop multiplier. Get enough and you're pulling over 2 billion drops per block.
Experimental Mob AI
Modifies behaviour of several mobs to increase difficulty
STEVE MUST DIE difficulty
Focuses on a much harder Vanilla Survival experience. Not only by making mobs stronger or more resistant, but adding new mechanics and unique twists. Also letting you progress slightly faster (if you're skilled enough)
Random_mob_drops
Random dropps from all mobs that drop items that is
JaredH4's Weeping angels
Weeping Angels Datapack for Minecraft!
Everything Explodes
Someone has strapped explosives to nearly every entity!
Explosive Chickens Datapack
Datapack make chicken speedy speedy boom boom.
Everyone baby
A datapack that makes all mobs become a baby, even those that can't in the basegame. Use this datapack if you want the cutest experience :D.
Toxin Accumulation│毒素堆積
Bogged's arrows now inflict a more deadly poison.│現在沼骸射出的箭矢會造成更致命的劇毒。

lolove (lots of love!)
a datapack that allows you to show your affection for friends and pets by sneaking near them!
Rage twist
A simple datapack that adds a ragebar that can be increased by attacking mobs and that makes your attack damage increase.
Accurate Mob Sizes
The Accurate Mob Sizes datapack makes most real-life mobs closer to their actual size, making Minecraft feel a bit more realistic.
[MALP] Mojang added living popcorn
This project makes chickens act as popcorn.
Night Challenge
You burn in sunlight, just like the monsters, good luck!
Sh*t
add a combination of sheep and rabbit
Frogs go Crazy
This datapack allows frogs to eat every mob (besides other frogs) like how they eat slimes and magma cubes.
Sculk Wrath
Sculk Wrath is a complete Warden boss overhaul datapack that transforms the Warden into a 4-phase boss fight with custom attacks, boss bar, music, configurable drops, and dramatic animations.
Sunlight Burn
A datapack that adds a new challenge to Minecraft by causing you to burn in the sun like undead mobs.
Back Off! Pillager!
A simple datapack that makes pillagers back away from their targets like piglins do
Blocked In Hardcore
A challenging version of the Blocked In datapack
Cloth Armour
Protect yourself from the Warden!
The Complete Rare Drop Randomizer
Every block drops something random - and has a 10% chance to drop an Elytra on top of it.
Time Hunter
Time Hunter is a team PvP survival datapack where players compete by mining resources and eliminating foes to extend their countdown, with elimination on timeout, supporting 2-4 team battles and strategic combat.
Biblically Inaccurate
Minecraft Made Harder,Cooler and Laggier.

Overachiever
500+ Achievements, You're gonna need a bigger screen
Harder Mode
A datapack that increase mob difficulty after entering the nether
Neutral Phantoms
Makes phantoms attack only if provoked.
Discreet Branches
A datapack that affects the generation of the world, entities, recipes, items and dangers in a very different way from the Vanilla game.