Data Packs for Minecraft Java
Browse 1,777 free data packs for Minecraft Java — popular picks include Book Binders, No More Curses, Bookshelf Health Module.
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Book Binders
Use lecterns to extract pages from Enchanted Books and recombine pages with Leather to create your own Enchanted Books!
No More Curses
Remove curse of vanishing and curse of binding enchantment.
Bookshelf Health Module
Manage entity health in Minecraft datapacks: heal, damage, get/set values, modify max health, and assign lifetimes with death callbacks.
BiomeBlade
Weapons deal bonus or reduced damage depending on which biome the combat takes place in, creating strategic territorial advantages.
Fetal Strike
Enchantment to increase damage dealt to baby mobs
HyperGrave
A very high-quality grave data pack / mod. It is super customizable, has a lot of cool features, supports multiplayer and yet it's simple to use.
Legendary Weapons
A pack full of magical weapons and staves, all with their own special abilities and attributes!
tensura mahou tsukai damage compatibility
just make mahou tsukai attack works on tensura boss
Speed Demon Origins
A very epic mod that adds epic origins such as Speed Demon, Jack'O Lantern and with more to come!
BotanicE
A very small datapack that makes early-game ProjectE more mid-game through the use of Botania
Psitadditions - XP Plus
A simple datapack that improves farming and experience storage. New enchantments, blocks, items and mechanics !
Heart Canisters
Introduces two tiers of pricey canisters that increase your health when carried.
Mr. Meh's Extra Items
More items with little correlation to each other or balancing made for having fun and enhancing the survival experience.
Hurtborder
The barrier expands as the player takes damage.
Bucketable (Datapack)
"Bucketable" lets you capture and transport any mob in Minecraft using a simple water bucket—even the Ender dragon
Fire Expansion
A small Datapack/Mod to add some new items like a new weapon.
Better Multishot
Now the Multishot enchantment works the same way as on the Bedrock Edition: all three projectiles can hit the same target, which will deal a lot of damage.
dvirov's Enchantments
simple datapack with new enchantments and curses

Health Boost Enchantment
Ever wanted more hearts?, but you dont know how?
Wicked Witch of the West
Master forbidden spells, travel through dimensions, and claim your magical destiny...
michael9r9r's RPG Loot (modern port)
This is michael9r9r's "RPG Loot, Mobs & Dungeons" data pack, working in 1.21.9 and later, with a few minor tweaks.

Double Damage
Doubles all damages.
Sticks are Weapons
Buffs all stick-type items, making them do 1 heart of damage in an emergency
Bridge Eggs by Juix
Datapack adding bridge eggs you can throw, building bridges in front of you
Enchantica
Enchantica adds a wide variety of uniquely designed enchantments for weapons, tools, armor, elytras, and more. It’s built to be as vanilla-friendly as possible, filling gaps in the enchantment system; especially for underused items like elytras and hoes.
Synthesizer
Overpowered resource synthesis
Dimension Jumper Origin
A custom origin made specifically to suit my playstyle. I have decided to share it with everyone. Updates will be made in the future. Feel free to use this as a base for your own origin.
Avatar Origin
Origin Avatar (PvP)
CoffeeG's Double Jump (Datapack)
Add double jump mechanic to Minecraft
CPVP Mobs
A datapack that makes mobs able to crystal pvp.
nether invasion
The Nether expands into the Overworld
Soul Glass
Reverse the effects of beacons with corrupting glass! But be careful, a poison Beacon may sound great at first, but is incredibly painful in pratice.
Growth and Shrinking Potions
New potions that make your player grow or shrink!
The Night Golem
This datapack adds a magic statue that makes you fight monsters that get stronger overnight, dropping also better loot.
Spawner Upgrades
A datapack that allows you to collect spawners with silk touch, and/or upgrade them with craftable custom items.
Phyto - Stackable potions and weapon coating
Coat weapons with potions, which now stack up to 16.