Data Packs for Minecraft Java
Browse 16,007 free data packs for Minecraft Java — popular picks include Origins: The Worm, Netherite Instant Mining, Destroyer Zombies.
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Origins: The Worm
It may not be big, it may not be strong, it may not be brave, it may not be- This adds the "Worm" to the game. It has a collection of interesting abilities / quirks that are... worm-y??
Netherite Instant Mining
Instant mine deepslate and logs when a netherite pickaxe or axe has efficiency 5 and the player has haste 2
Destroyer Zombies
Makes all zombies able to destroy doors.
Basin Generation Fix
Basins are a rare, small terrain features that strip away the top layer of a biome's surface, leaving a stony floor. Due to a bug they stopped generating in 1.18. This mod/datapack adds them back
Kawatt's Cheaper Rails
Makes rail crafting recipes cheaper by using nuggets instead of ingots
worldpainter
World is your canvas! Create, Place & Color the world world how you'd imagine it!
Brain Over Brawn
Makes mobs a little smarter
Elytra Boost
Adds an Enchantment That Makes Elytra Constantly Accelerate Without Rockets
NEI (Not Enough Info)
NEI (Not Enough Info) is DataPack that can displays useful info. You can toggle them on and off.
Trails and Trips
This datapack improves horses, camels, sniffers, undead horses and llamas!
Exosphere Worldgen
Unique sky island world generation, now on 1.21+!
Jetpack Boots
Adds boots that you can fly with when combined with elytra.
Legendary Summoning Cobblemon
Craft tools to summon legendary pokemon on your cobblemon world!
Mystic Mobs
The Mystic Mobs datapack adds excitement to Minecraft by giving mobs random, powerful abilities like speed boosts, fireballs, and teleportation. Each encounter becomes unpredictable, making survival more challenging and fun!
ECL (Easy Chunk Loader)
It was never that easy to have chunks always loaded.
Happy Ghast but Fast (3x Speed)
This makes the happy ghast faster using Minecraft attributes
Craftable Bundle
Reintroduces Bundle Crafting!
Harder Difficulty
A datapack/mod designed to make Minecraft - Hard Difficulty actually difficult. Caves are more dangerous deeper you go, totems are harder to obtain, most mobs are buffed and it's all done in Vanilla way.
Cobblemon Tools
this datapack add tools based on cobblemon

oSzoukaua's: Floating Damage
Want to see how much damage you do? Now you can see it though floating numbers!
JK's BedWars ToolPack
Makes it easy to create your own bedwars!

Breach + Density
A simple datapack allowing both Breach and Density to be put on the same Mace.
Nether Star Recipe
Now craft your own nether stars
Call Your Nautilus
Easily call (whistle) your nautilus with a goat horn to teleport it to you
Epic Spartan Weaponry
Custom Datapack for Spartan Weaponry and Epic Fight Mod compatibility.
Enchancement Forge/Sinytra Connector Fix
Fixes enchancement not disabling enchantments when using Forge/Sinytra Connector.

LifeSteal datapack
Datapack that adds Heart system from LifeSteal SMP
Don't Punch Trees
Makes the early game more realistic by removing the ability to harvest wood with your fist. Instead, you'll need to get sticks from leaves and craft them into planks.
Undertale Origins Pack
Adds Undertale characters as playable origins
Experience Storage
This small data package allows you to store experience in XP Book.
Stone to Copper Tools
Replaces stone tools with copper ones to lengthen the early game
Valkyrien Sails Rope Compat
A data pack that adds compatibility between the following mods: VS Sails, Farmer's Delight, and Supplementaries ropes
Origins: Mantidicae
An origin that thrives with flower power.
Hashs's Falcons
Adds falcons, swift birds of prey that can be tamed to protect you from the sky!
Tab Player Health
Datapack that display players health
Armor Trim Abilities
Adds a base power and full set power to every Armor Trim. Each power tackles a different gameplay mechanic.