Data Packs for Minecraft Java
Browse 181 free data packs for Minecraft Java — popular picks include Rotten Flesh Can Be Smelted To Leather, Minecraft Remade, Persistent Mooshroom Flowers.
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Rotten Flesh Can Be Smelted To Leather
This datapack lets you smelt rotten flesh into leather using any furnace or blast furnace. A simple, survival-friendly way to recycle mob drops, reduce clutter, and create useful leather resources.
Minecraft Remade
Tweaks Minecraft. Keeps in balanced.
Persistent Mooshroom Flowers
Flowers given to brown mooshrooms will persist.
uzJJK
A Jujutsu Kaisen Data pack.
ChristCraft
Removes magic and spiritism where possible.
Oompa Loompa In Minecraft
Oompa Loompa doompety doo, I've got the perfect pack for you. Oompa Loompa doompety dee, if you are wise you'll play with it.
miencrap 2 minerat
makes mineracft better by adding random bullshit (140+ blocks, 80+ mobs)
Mob Curing
Revert mooshrooms, pigmen and witches back to their previous forms.
Countryside and Magic(CAM)
A comprehensive mod that contains various items and gameplay, featuring country and magic topics.
Improved Potions
Not the biggest project, the main goal of which is to improve the mechanics of brewing potions in the game. New tools, items, potions, and cauldron brewing.
Project Extinction Datapack
Extends the abilities of the Project Extinction resource pack.
Anvixo's Bits
An All-Rounder Datapack for SMPs, adds QoL Features and Content to Extend Playtime!
Colly SMP [NO LONGER UPDATING]
The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!
Mobmanity
A minecraft datapack that makes mobs behave like different types of players. Mobs can use and spawn in with whole variation of vanilla items that they use in unique ways to attack you. Mobs can also spawn with behavior making every fight fully different!
The Mango Bird
A project that adds the mango bird to 1.21.5 minecraft.
SpaceFrog's Hungry Hungry Frogs *FroggyCraft Addon*
Adds FroggyCraft-specific hostile mobs to the frog food list of SpaceFrog's Hungry Hungry Frogs (can be used with any modded mods found in the FroggyCraft modpack)
Icewind
Icewind is a datapack&resourcepack/mod based on temperature and a lot of more details that make the game immersive.
Ridicule
Random items added to minecraft
Animals Fury
Turns all passive mobs against you, making even a walk at daytime dangerous
Caveat
More options for entity behavior
Local Flavors - A Matcha Flavoured Addon
Local Flavors is an add-on for Matcha Flavor that adds an alternate way to gather Obols while also giving the Villagers more personaility.
Craftable Ominous Bottle Recipe
Now craft your Ominous Bottle!!!
Hungr
A minecraft difficulty datapack, makes the game much harder
Cool Bosses & Crafts I - Data Pack
A new datapack focused on adding several new craftings, new enchants and new music disks and alot more in the future.
Psitadditions - Blood and Souls
Discover new resources, entities, structures and blocks. Collect blood and souls to discover the mysterys of Blood and Souls.

Seafood Boil
Makes the Nautilus edible! (And mollusks huntable)
Wardens drop OP loot
This datapack makes wardens drop over-powered loot
PED Tweaks
Extra crafts, functions and more
CakeCannon DataPack
[This DataPack Adds A Small Cannon That Shoots Cake, Shoot At The Ground Or Mobs And The Ground Or Mob Will Explode Into Cake]
Spook and Fright
Just another halloween Themed Update!
Bats and Wolves
A Minecraft Datapack about Vampires and Werewolves
Realistic Meat Drops
This datapack combines Minecraft's simple physics and real life animal properties for a seamless food experience in your world. Never go hungry again.

Hoglian
Hoglin inspired Origins mod datapack. (origin)
Spoon
This Data Pack Lets You Eat Any Mob With A Spoon
Bunger! (Cobblemon)
puts the funny burger guy into funny cube monster mod (but updated!!)
CompatZ
Compatibility Datapack for LevelZ!