Data Packs for Minecraft Java
Browse 16,018 free data packs for Minecraft Java — popular picks include Unturned Guns Pack, Cauldron Mud [Data Pack], Not Coldown.
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Unturned Guns Pack
An addon for Vic's Point Blank that adds Unturned weapons into Minecraft, reanimated and with some extra weapon mods!
Cauldron Mud [Data Pack]
Throw dirt into a cauldron to transform it into mud!
Not Coldown
Lets the admin enable or disable player attack cooldown, switching between classic 1.8.9 combat and the modern system.
Revavroom Starmobiles
A Cobblemon Addon that adds cosmetics for Revavroom.
Remove "Too Expensive"
A datapack made to remove the hidden 'anvil cost' for items without compromise.
Log Stripping + Undo
Easy log-stripping via stonecutter recipes & "undo" options to take them back to logs.
Piston Shrinking
Make you and mobs small with pistons! (0.75x, 0.5x, 0.25x, 0.01x size)

Fortunate
Reworks Fortune to not increase the amount of drops, but instead increase the chances of getting more drops.
Essence RPG
In Essence RPG, players experiment to find fun and powerful ways to enhance their Minecraft playthrough by collecting custom experience types and spending them on upgrades to themselves and their equipment. Also with custom difficulty settings!
Ores Aren't Raw!
Makes gold & iron ores drop themselves, not their raw item counterpart.
Superior Smelting [Data Pack]
Adds additional vanilla-style balanced recipes for smelting. Includes built-in extensions to support various mods.
Orb Booster
Adds an enchantment that multiplies your gained XP.
Blossoming Pots
Decorated Pots and Flower Pots extended to allow all kinds of things to be placed in them! Decorate in Style!
Just Pink Leaf Litter
Just a datapack that makes leaf litter pink in cherry grove!
Deep Blue: Ocean Survival
Survive a post-apocalyptic world submerged by water in a nearly vanilla experience.
Menagerie: Earth Mob Variants and More!
Mob variants from around the Minecraft franchise, now on Java
Smithing Skeletons
Adds new mobs that drop unbreakable iron gear!
More Advancements 2.0
More Advancements is designed to flesh out your survival experience, adding new advancements that bridge the gap between major milestones
Ice Wraith Origin
Adds the ice Wrath Origin into your world! The Origin offers a unique blend of strengths and weaknesses, creating a challenging and engaging gameplay experience..
Origins: Moth Fae
A mystical moth-themed Origin for the Origins mod. A tiny, luminous fae of the night, with moth-like wings and a heart attuned to growth and light.
Floating Texts
This datapack allows you to create floating texts with color and decoration (bold, italic, ...)

A* Pathfinding
Minecraft Pathfinder for Entities
Easy Froglight Obtaining
Get froglights by feeding frogs magma cream items instead of magma cube mobs.
NuStone Crafting
A simple data pack which adds the newer stone variants (granite, andesite, diorite, tuff, calcite, and basalt) to the stone tool materials and stone crafting materials tags.
Starter Pikachu & Eevee
Adds the Starter forms for Pikachu & Eevee from the Let's Go games to Cobblemon

a lot of diamonds
makes diamonds a lot less rare
Openable
Open and close doors, trapdoors and fence gates quickly.
Extreme Worldgen
This datapack modify the terrain generation and most of trees
OP Grass
Short and Tall Grass drop OP Loot!
Origins: Eeveelutions
Adds an evolvable Eevee origin to the game.
Fast Paths
Sprint faster on established trails with a seamless movement speed boost exclusive to Path blocks.
aolu Rapiers
A Data Pack which adds a new custom weapon that is a Hybrid of a Sword and Spear
Create: Cardboard Tools
A mod / pack that adds cardboard tools to create mod!
Additional Create Features
Changes iron and gold tools and armor to be crafted with the iron and gold sheets.
Diamond Piglins
Adds a new mob that drops unbreakable diamond gear!
Custom packet aggregates
A gathering place for multiple custom packets